Re: [cisco-voip] FXS voltages / POTS compatibility
I doubt you’d need all the features of the Viking LLA-1. I.e. support for pulse dialing, regenerating the 20 Hz ringing signal, etc. I’ve used the much cheaper Viking TBB-1B for connecting FXS ports to a picky intercom system. IIRC it was under $100. Worked fine, although it was not a Cisco gateway I was using. https://www.vikingelectronics.com/product-details.php?pid=549 In my experience, when an alarm system complains about comm failure while it’s idle, it is indeed checking the voltage of the line. The usual modem vs. VoIP issues do not apply at that stage of the game, so talk of dedicating TDM channels is not the right path IMO. -mn From: cisco-voip [mailto:cisco-voip-boun...@puck.nether.net] On Behalf Of chris Sent: February-28-15 8:28 PM To: Ryan Huff Cc: cisco-voip@puck.nether.net Subject: Re: [cisco-voip] FXS voltages / POTS compatibility Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between. Don't know model of the panel (this is another location) From what I've read I think the problem is the default idle-voltage the VIC-4FXS/DID is only -24V but based on the link I sent in the first email I thought this could be reconfigured through the idle-voltage option but this doesnt seem to be available when I try to enter it under the voice-port. When I talked to the alarm company and told them I see the calls going through the guy told me the alarm doesn't check the line state based on the dialtone and he said that it uses the voltage to see when the line is idle, ringing, etc and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff mailto:ryanh...@outlook.com>> wrote: Chris, Can you diagram the connections for me? Are the copper pairs swinging off a 66 block before terminating to the alarm panel or is there a direct copper path between the fxs port and the alarm? Are you using an RJ-11 or RJ-14 configuration? Could you estimate the copper distance between the termination points? Is the pstn path for the VG SIP or TOM? Also, I would be curious to know if the alarm panel is a Simplex Grinnell? Thanks, Ryan Original Message From: chris mailto:tknch...@gmail.com>> Sent: Saturday, February 28, 2015 07:52 PM To: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> Subject: [cisco-voip] FXS voltages / POTS compatibility Hello We have a location with a 2800 acting as a voice gateway where we have 2 FXS voice ports going to an alarm system. We are using the vic-4fxs/did line card. We have the alarm company saying they are seeing the panel reporting Comm trouble so we checked the call records and we also did some debugging in realtime and we see the calls are going out and when we plug a test set in the dial tone is good. In talking with the alarm company and researching we have come to believe the issue may be due to the idle and ringing voltages. We came across this link: http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html This looked promising however when we are in voice port configuration node we do not have the idle-voltage setting available. We tried several iOS versions in 12.4 as well as 15.x hut no luck Is this line card not capable of -48 idle voltage? What cards are? Do we need anything special as far iOS version? Ideally we want to have 2 voice ports that are as close to a standard pots line as possible. We are a bit lost as its the first time we have hit an issue like this and we are just hoping someone has been down this path before. If we have to change line cards or even to another platform we are open to it as long if someone has a setup that is known working in this manner Thanks in advance Chris ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] FXS voltages / POTS compatibility
Lelio,
You could do that, but you would have to split out the channels on your T1.
Thanks,
Ryan
Original Message
From: Lelio Fulgenzi
Sent: Monday, March 2, 2015 10:26 AM
To: Ryan Huff
Subject: Re: [cisco-voip] FXS voltages / POTS compatibility
CC: Cisco VOIP ,James Andrewartha
>p { margin: 0; }
>
>OK, so have a few FXS ports reserved for alarm outbound calling. That could
>work, but I was hoping to capitalize on the existing PRI connection.
>
>---
>Lelio Fulgenzi, B.A.
>Senior Analyst, Network Infrastructure
>Computing and Communications Services (CCS)
>University of Guelph
>
>519‐824‐4120 Ext 56354
>le...@uoguelph.ca
>www.uoguelph.ca/ccs
>Room 037, Animal Science and Nutrition Building
>Guelph, Ontario, N1G 2W1
>
>
>From: "Ryan Huff"
>To: "Lelio Fulgenzi" , "James Andrewartha"
>
>Cc: "Cisco VOIP"
>Sent: Monday, March 2, 2015 8:48:20 AM
>Subject: RE: [cisco-voip] FXS voltages / POTS compatibility
>
>
>
>Lelio,
>
>You could remove the mgcp service from the fxs port, then create your dial
>peers (assuming your alarm only wants tone and doesn't need inward).
>
>Thanks,
>
>Ryan
>
>
>From: le...@uoguelph.ca
>Date: Mon, 2 Mar 2015 08:21:51 -0500
>To: jandrewar...@ccgs.wa.edu.au
>CC: cisco-voip@puck.nether.net
>Subject: Re: [cisco-voip] FXS voltages / POTS compatibility
>
>James,
>
>
>Does this mean you have an h323 gateway? Right now, I have MGCP, which I'm
>guessing, precludes me from doing this.
>
>Sent from my iPhone
>
>
>On Mar 2, 2015, at 7:51 AM, James Andrewartha
>wrote:
>
>With our security systems I have to remove the call manager from the call path
>for the system to complete due to the nonstandard tones they send. From my
>notes on how to configure this:
>
>
>On the VG224s:
>
>
>voice class h323 1
>
> h225 timeout tcp establish 3
>
>voice-port 2/13
>
> no timeouts
>
>dial-peer voice 23 pots
>
> service stcapp
>
>dial-peer voice 99 voip
>
> description h323 direct to voip1 for alarm number
>
> destination-pattern 13451015
>
> session target ipv4:10.101.0.5
>
> voice-class h323 1
>
> codec g711ulaw
>
> no vad
>
>dial-peer voice 98 voip
>
> description h323 direct to voip2 for alarm number
>
> preference 1
>
> destination-pattern 13451015
>
> session target ipv4:10.101.0.6
>
> voice-class h323 1
>
> codec g711ulaw
>
> no vad
>
>
>On the 2921s:
>
>
>voice service voip
>
>ip address trusted list
>
> ipv4 10.100.0.10 255.255.255.255
>
>
>The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice
>23 is for voice-port 2/13. These are GE security panels I think (which their
>MAC OUI confirms).
>
>
>--
>
>James Andrewartha
>
>Network & Projects Engineer
>
>Christ Church Grammar School
>
>Claremont, Western Australia
>
>Ph. (08) 9442 1757
>
>Mob. 0424 160 877
>
>
>From: Justin Steinberg
>Date: Monday, 2 March 2015 2:14 am
>To: chris
>Cc: Cisco VOIP
>Subject: Re: [cisco-voip] FXS voltages / POTS compatibility
>
>
>Are you using local h323 or sip 'pots' dialpeers to route directly between
>your FXS and T1 port? Or is call manager in between the call due to MGCP or
>VOIP dialpeers involved in the dialplan ?
>
>I doubt your issue is line voltage, since you can see the call being placed.
>My guess is the DSP is processing the call and causing issues. I've seem
>alarm boxes use nonstandard DTMF transmission that isn't properly recognized
>by the DSP.
>
>The 2800 supports DSP bypass by default when you route directly between ports
>using POTS dialpeers. You do need to have properly configured network clock
>configuration.
>
>Can you send a copy of your config along with the output of 'show controller
>t1' and 'show network-clock'
>
>Justin
>
>On Feb 28, 2015 10:33 PM, "chris" wrote:
>
>Hey Ryan,
>
>
>We have a channelized T1 with channels split between voice/data so the voice
>path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a
>single copper pair with rj11 on both ends, one side going to the FXS port and
>the other is going into alarm panel. The total distance from the 2800 to the
>alarm panel is around 20-30 feet and its a direct run, no 66 blocks or
>anything in between.
>
>Don't know model of the panel (this is another location)
>
>
>From what I've read I think the problem is the default idle-voltage the
>VIC-4FXS/DID is only -24V but based on the
Re: [cisco-voip] FXS voltages / POTS compatibility
OK, so have a few FXS ports reserved for alarm outbound calling. That could work, but I was hoping to capitalize on the existing PRI connection. --- Lelio Fulgenzi, B.A. Senior Analyst, Network Infrastructure Computing and Communications Services (CCS) University of Guelph 519‐824‐4120 Ext 56354 le...@uoguelph.ca www.uoguelph.ca/ccs Room 037, Animal Science and Nutrition Building Guelph, Ontario, N1G 2W1 - Original Message - From: "Ryan Huff" To: "Lelio Fulgenzi" , "James Andrewartha" Cc: "Cisco VOIP" Sent: Monday, March 2, 2015 8:48:20 AM Subject: RE: [cisco-voip] FXS voltages / POTS compatibility Lelio, You could remove the mgcp service from the fxs port, then create your dial peers (assuming your alarm only wants tone and doesn't need inward). Thanks, Ryan From: le...@uoguelph.ca Date: Mon, 2 Mar 2015 08:21:51 -0500 To: jandrewar...@ccgs.wa.edu.au CC: cisco-voip@puck.nether.net Subject: Re: [cisco-voip] FXS voltages / POTS compatibility James, Does this mean you have an h323 gateway? Right now, I have MGCP, which I'm guessing, precludes me from doing this. Sent from my iPhone On Mar 2, 2015, at 7:51 AM, James Andrewartha < jandrewar...@ccgs.wa.edu.au > wrote: With our security systems I have to remove the call manager from the call path for the system to complete due to the nonstandard tones they send. From my notes on how to configure this: On the VG224s: voice class h323 1 h225 timeout tcp establish 3 voice-port 2/13 no timeouts dial-peer voice 23 pots service stcapp dial-peer voice 99 voip description h323 direct to voip1 for alarm number destination-pattern 13451015 session target ipv4:10.101.0.5 voice-class h323 1 codec g711ulaw no vad dial-peer voice 98 voip description h323 direct to voip2 for alarm number preference 1 destination-pattern 13451015 session target ipv4:10.101.0.6 voice-class h323 1 codec g711ulaw no vad On the 2921s: voice service voip ip address trusted list ipv4 10.100.0.10 255.255.255.255 The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice 23 is for voice-port 2/13. These are GE security panels I think (which their MAC OUI confirms). -- James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877 From: Justin Steinberg < jsteinb...@gmail.com > Date: Monday, 2 March 2015 2:14 am To: chris < tknch...@gmail.com > Cc: Cisco VOIP < cisco-voip@puck.nether.net > Subject: Re: [cisco-voip] FXS voltages / POTS compatibility Are you using local h323 or sip 'pots' dialpeers to route directly between your FXS and T1 port? Or is call manager in between the call due to MGCP or VOIP dialpeers involved in the dialplan ? I doubt your issue is line voltage, since you can see the call being placed. My guess is the DSP is processing the call and causing issues. I've seem alarm boxes use nonstandard DTMF transmission that isn't properly recognized by the DSP. The 2800 supports DSP bypass by default when you route directly between ports using POTS dialpeers. You do need to have properly configured network clock configuration. Can you send a copy of your config along with the output of 'show controller t1' and 'show network-clock' Justin On Feb 28, 2015 10:33 PM, "chris" < tknch...@gmail.com > wrote: Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between. Don't know model of the panel (this is another location) >From what I've read I think the problem is the default idle-voltage the >VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >thought this could be reconfigured through the idle-voltage option but this >doesnt seem to be available when I try to enter it under the voice-port. When >I talked to the alarm company and told them I see the calls going through the >guy told me the alarm doesn't check the line state based on the dialtone and >he said that it uses the voltage to see when the line is idle, ringing, etc >and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff < ryanh...@ou
Re: [cisco-voip] FXS voltages / POTS compatibility
I do. I cargo-culted the below config, but think the bit that is important is the "no service stcapp" in the dial-peer of the analogue port (I see I forgot the "no " prefix below). Some Googling suggests you would have "service MGCPAPP" in your FXS dial-peer, so maybe if you remove that then it'll bypass callmanager and go directly out the T1. James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877 From: Lelio Fulgenzi [le...@uoguelph.ca] Sent: Monday, 2 March 2015 9:21 PM To: James Andrewartha Cc: Justin Steinberg; chris; Cisco VOIP Subject: Re: [cisco-voip] FXS voltages / POTS compatibility James, Does this mean you have an h323 gateway? Right now, I have MGCP, which I'm guessing, precludes me from doing this. Sent from my iPhone On Mar 2, 2015, at 7:51 AM, James Andrewartha mailto:jandrewar...@ccgs.wa.edu.au>> wrote: With our security systems I have to remove the call manager from the call path for the system to complete due to the nonstandard tones they send. From my notes on how to configure this: On the VG224s: voice class h323 1 h225 timeout tcp establish 3 voice-port 2/13 no timeouts dial-peer voice 23 pots service stcapp dial-peer voice 99 voip description h323 direct to voip1 for alarm number destination-pattern 13451015 session target ipv4:10.101.0.5 voice-class h323 1 codec g711ulaw no vad dial-peer voice 98 voip description h323 direct to voip2 for alarm number preference 1 destination-pattern 13451015 session target ipv4:10.101.0.6 voice-class h323 1 codec g711ulaw no vad On the 2921s: voice service voip ip address trusted list ipv4 10.100.0.10 255.255.255.255 The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice 23 is for voice-port 2/13. These are GE security panels I think (which their MAC OUI confirms). -- James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877 From: Justin Steinberg mailto:jsteinb...@gmail.com>> Date: Monday, 2 March 2015 2:14 am To: chris mailto:tknch...@gmail.com>> Cc: Cisco VOIP mailto:cisco-voip@puck.nether.net>> Subject: Re: [cisco-voip] FXS voltages / POTS compatibility Are you using local h323 or sip 'pots' dialpeers to route directly between your FXS and T1 port? Or is call manager in between the call due to MGCP or VOIP dialpeers involved in the dialplan ? I doubt your issue is line voltage, since you can see the call being placed. My guess is the DSP is processing the call and causing issues. I've seem alarm boxes use nonstandard DTMF transmission that isn't properly recognized by the DSP. The 2800 supports DSP bypass by default when you route directly between ports using POTS dialpeers. You do need to have properly configured network clock configuration. Can you send a copy of your config along with the output of 'show controller t1' and 'show network-clock' Justin On Feb 28, 2015 10:33 PM, "chris" mailto:tknch...@gmail.com>> wrote: Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between. Don't know model of the panel (this is another location) >From what I've read I think the problem is the default idle-voltage the >VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >thought this could be reconfigured through the idle-voltage option but this >doesnt seem to be available when I try to enter it under the voice-port. When >I talked to the alarm company and told them I see the calls going through the >guy told me the alarm doesn't check the line state based on the dialtone and >he said that it uses the voltage to see when the line is idle, ringing, etc >and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff mailto:ryanh...@outlook.com>> wrote: Chris, Can you diagram the connections for me? Are the copper pairs swinging off a 66 block before terminating to the alarm panel or is there a direct copper path between the fxs port and the alarm? Are you using an RJ-11 or RJ-14 configuration? Could you est
Re: [cisco-voip] FXS voltages / POTS compatibility
Lelio, You could remove the mgcp service from the fxs port, then create your dial peers (assuming your alarm only wants tone and doesn't need inward). Thanks, Ryan From: le...@uoguelph.ca Date: Mon, 2 Mar 2015 08:21:51 -0500 To: jandrewar...@ccgs.wa.edu.au CC: cisco-voip@puck.nether.net Subject: Re: [cisco-voip] FXS voltages / POTS compatibility James, Does this mean you have an h323 gateway? Right now, I have MGCP, which I'm guessing, precludes me from doing this. Sent from my iPhone On Mar 2, 2015, at 7:51 AM, James Andrewartha wrote: With our security systems I have to remove the call manager from the call path for the system to complete due to the nonstandard tones they send. From my notes on how to configure this: On the VG224s: voice class h323 1 h225 timeout tcp establish 3voice-port 2/13 no timeoutsdial-peer voice 23 pots service stcappdial-peer voice 99 voip description h323 direct to voip1 for alarm number destination-pattern 13451015 session target ipv4:10.101.0.5 voice-class h323 1 codec g711ulaw no vaddial-peer voice 98 voip description h323 direct to voip2 for alarm number preference 1 destination-pattern 13451015 session target ipv4:10.101.0.6 voice-class h323 1 codec g711ulaw no vad On the 2921s: voice service voipip address trusted list ipv4 10.100.0.10 255.255.255.255 The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice 23 is for voice-port 2/13. These are GE security panels I think (which their MAC OUI confirms). -- James AndrewarthaNetwork & Projects EngineerChrist Church Grammar SchoolClaremont, Western AustraliaPh. (08) 9442 1757Mob. 0424 160 877 From: Justin Steinberg Date: Monday, 2 March 2015 2:14 am To: chris Cc: Cisco VOIP Subject: Re: [cisco-voip] FXS voltages / POTS compatibility Are you using local h323 or sip 'pots' dialpeers to route directly between your FXS and T1 port? Or is call manager in between the call due to MGCP or VOIP dialpeers involved in the dialplan ?I doubt your issue is line voltage, since you can see the call being placed. My guess is the DSP is processing the call and causing issues. I've seem alarm boxes use nonstandard DTMF transmission that isn't properly recognized by the DSP.The 2800 supports DSP bypass by default when you route directly between ports using POTS dialpeers. You do need to have properly configured network clock configuration.Can you send a copy of your config along with the output of 'show controller t1' and 'show network-clock'JustinOn Feb 28, 2015 10:33 PM, "chris" wrote: Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between.Don't know model of the panel (this is another location) >From what I've read I think the problem is the default idle-voltage the >VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >thought this could be reconfigured through the idle-voltage option but this >doesnt seem to be available when I try to enter it under the voice-port. When >I talked to the alarm company and told them I see the calls going through the >guy told me the alarm doesn't check the line state based on the dialtone and >he said that it uses the voltage to see when the line is idle, ringing, etc >and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff wrote: Chris,Can you diagram the connections for me? Are the copper pairs swinging off a 66 block before terminating to the alarm panel or is there a direct copper path between the fxs port and the alarm? Are you using an RJ-11 or RJ-14 configuration?Could you estimate the copper distance between the termination points?Is the pstn path for the VG SIP or TOM?Also, I would be curious to know if the alarm panel is a Simplex Grinnell?Thanks,Ryan Original Message ---- From: chris Sent: Saturday, February 28, 2015 07:52 PM To: cisco-voip@puck.nether.net Subject: [cisco-voip] FXS voltages / POTS compatibility HelloWe have a location with a 2800 acting as a voice gateway where we have 2 FXS voice ports going to an alarm system. We are using the vic-4fxs/did line card.We have the alarm company saying they are seeing the panel reporting Comm trouble so we checked the call records and we also did some debugging i
Re: [cisco-voip] FXS voltages / POTS compatibility
James, Does this mean you have an h323 gateway? Right now, I have MGCP, which I'm guessing, precludes me from doing this. Sent from my iPhone > On Mar 2, 2015, at 7:51 AM, James Andrewartha > wrote: > > With our security systems I have to remove the call manager from the call > path for the system to complete due to the nonstandard tones they send. From > my notes on how to configure this: > > On the VG224s: > > voice class h323 1 > h225 timeout tcp establish 3 > voice-port 2/13 > no timeouts > dial-peer voice 23 pots > service stcapp > dial-peer voice 99 voip > description h323 direct to voip1 for alarm number > destination-pattern 13451015 > session target ipv4:10.101.0.5 > voice-class h323 1 > codec g711ulaw > no vad > dial-peer voice 98 voip > description h323 direct to voip2 for alarm number > preference 1 > destination-pattern 13451015 > session target ipv4:10.101.0.6 > voice-class h323 1 > codec g711ulaw > no vad > > On the 2921s: > > voice service voip > ip address trusted list > ipv4 10.100.0.10 255.255.255.255 > > The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice > 23 is for voice-port 2/13. These are GE security panels I think (which their > MAC OUI confirms). > > -- > James Andrewartha > Network & Projects Engineer > Christ Church Grammar School > Claremont, Western Australia > Ph. (08) 9442 1757 > Mob. 0424 160 877 > > From: Justin Steinberg > Date: Monday, 2 March 2015 2:14 am > To: chris > Cc: Cisco VOIP > Subject: Re: [cisco-voip] FXS voltages / POTS compatibility > > Are you using local h323 or sip 'pots' dialpeers to route directly between > your FXS and T1 port? Or is call manager in between the call due to MGCP or > VOIP dialpeers involved in the dialplan ? > > I doubt your issue is line voltage, since you can see the call being placed. > My guess is the DSP is processing the call and causing issues. I've seem > alarm boxes use nonstandard DTMF transmission that isn't properly recognized > by the DSP. > > The 2800 supports DSP bypass by default when you route directly between ports > using POTS dialpeers. You do need to have properly configured network clock > configuration. > > Can you send a copy of your config along with the output of 'show controller > t1' and 'show network-clock' > > Justin > >> On Feb 28, 2015 10:33 PM, "chris" wrote: >> Hey Ryan, >> >> We have a channelized T1 with channels split between voice/data so the voice >> path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a >> single copper pair with rj11 on both ends, one side going to the FXS port >> and the other is going into alarm panel. The total distance from the 2800 to >> the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or >> anything in between. >> Don't know model of the panel (this is another location) >> >> From what I've read I think the problem is the default idle-voltage the >> VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >> thought this could be reconfigured through the idle-voltage option but this >> doesnt seem to be available when I try to enter it under the voice-port. >> When I talked to the alarm company and told them I see the calls going >> through the guy told me the alarm doesn't check the line state based on the >> dialtone and he said that it uses the voltage to see when the line is idle, >> ringing, etc and I think this is where the problem lies. >> >> Someone recommend this adapter offlist which looks interesting but the price >> is a little nuts as it costs more than all the equipment we have installed >> at this site combined. >> http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 >> >> Chris >> >> >>> On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff wrote: >>> Chris, >>> >>> Can you diagram the connections for me? >>> >>> Are the copper pairs swinging off a 66 block before terminating to the >>> alarm panel or is there a direct copper path between the fxs port and the >>> alarm? Are you using an RJ-11 or RJ-14 configuration? >>> >>> Could you estimate the copper distance between the termination points? >>> >>> Is the pstn path for the VG SIP or TOM? >>> >>> Also, I would be curious to know if the alarm panel is a Simplex Grinnell? >>> >>> Thanks, >>> >
Re: [cisco-voip] FXS voltages / POTS compatibility
With our security systems I have to remove the call manager from the call path for the system to complete due to the nonstandard tones they send. From my notes on how to configure this: On the VG224s: voice class h323 1 h225 timeout tcp establish 3 voice-port 2/13 no timeouts dial-peer voice 23 pots service stcapp dial-peer voice 99 voip description h323 direct to voip1 for alarm number destination-pattern 13451015 session target ipv4:10.101.0.5 voice-class h323 1 codec g711ulaw no vad dial-peer voice 98 voip description h323 direct to voip2 for alarm number preference 1 destination-pattern 13451015 session target ipv4:10.101.0.6 voice-class h323 1 codec g711ulaw no vad On the 2921s: voice service voip ip address trusted list ipv4 10.100.0.10 255.255.255.255 The AVG is 10.100.0.10, the 2921s are 10.101.0.5 and .6, and dial-peer voice 23 is for voice-port 2/13. These are GE security panels I think (which their MAC OUI confirms). -- James Andrewartha Network & Projects Engineer Christ Church Grammar School Claremont, Western Australia Ph. (08) 9442 1757 Mob. 0424 160 877 From: Justin Steinberg mailto:jsteinb...@gmail.com>> Date: Monday, 2 March 2015 2:14 am To: chris mailto:tknch...@gmail.com>> Cc: Cisco VOIP mailto:cisco-voip@puck.nether.net>> Subject: Re: [cisco-voip] FXS voltages / POTS compatibility Are you using local h323 or sip 'pots' dialpeers to route directly between your FXS and T1 port? Or is call manager in between the call due to MGCP or VOIP dialpeers involved in the dialplan ? I doubt your issue is line voltage, since you can see the call being placed. My guess is the DSP is processing the call and causing issues. I've seem alarm boxes use nonstandard DTMF transmission that isn't properly recognized by the DSP. The 2800 supports DSP bypass by default when you route directly between ports using POTS dialpeers. You do need to have properly configured network clock configuration. Can you send a copy of your config along with the output of 'show controller t1' and 'show network-clock' Justin On Feb 28, 2015 10:33 PM, "chris" mailto:tknch...@gmail.com>> wrote: Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between. Don't know model of the panel (this is another location) >From what I've read I think the problem is the default idle-voltage the >VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >thought this could be reconfigured through the idle-voltage option but this >doesnt seem to be available when I try to enter it under the voice-port. When >I talked to the alarm company and told them I see the calls going through the >guy told me the alarm doesn't check the line state based on the dialtone and >he said that it uses the voltage to see when the line is idle, ringing, etc >and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff mailto:ryanh...@outlook.com>> wrote: Chris, Can you diagram the connections for me? Are the copper pairs swinging off a 66 block before terminating to the alarm panel or is there a direct copper path between the fxs port and the alarm? Are you using an RJ-11 or RJ-14 configuration? Could you estimate the copper distance between the termination points? Is the pstn path for the VG SIP or TOM? Also, I would be curious to know if the alarm panel is a Simplex Grinnell? Thanks, Ryan Original Message From: chris mailto:tknch...@gmail.com>> Sent: Saturday, February 28, 2015 07:52 PM To: cisco-voip@puck.nether.net<mailto:cisco-voip@puck.nether.net> Subject: [cisco-voip] FXS voltages / POTS compatibility Hello We have a location with a 2800 acting as a voice gateway where we have 2 FXS voice ports going to an alarm system. We are using the vic-4fxs/did line card. We have the alarm company saying they are seeing the panel reporting Comm trouble so we checked the call records and we also did some debugging in realtime and we see the calls are going out and when we plug a test set in the dial tone is good. In talking with the alarm company and researching we have come to believe the issue may be due to the idle and ringing voltages. We came across this link: ht
Re: [cisco-voip] FXS voltages / POTS compatibility
Are you using local h323 or sip 'pots' dialpeers to route directly between your FXS and T1 port? Or is call manager in between the call due to MGCP or VOIP dialpeers involved in the dialplan ? I doubt your issue is line voltage, since you can see the call being placed. My guess is the DSP is processing the call and causing issues. I've seem alarm boxes use nonstandard DTMF transmission that isn't properly recognized by the DSP. The 2800 supports DSP bypass by default when you route directly between ports using POTS dialpeers. You do need to have properly configured network clock configuration. Can you send a copy of your config along with the output of 'show controller t1' and 'show network-clock' Justin On Feb 28, 2015 10:33 PM, "chris" wrote: > Hey Ryan, > > We have a channelized T1 with channels split between voice/data so the > voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we > have a single copper pair with rj11 on both ends, one side going to the FXS > port and the other is going into alarm panel. The total distance from the > 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 > blocks or anything in between. > Don't know model of the panel (this is another location) > > From what I've read I think the problem is the default idle-voltage the > VIC-4FXS/DID is only -24V but based on the link I sent in the first email I > thought this could be reconfigured through the idle-voltage option but this > doesnt seem to be available when I try to enter it under the voice-port. > When I talked to the alarm company and told them I see the calls going > through the guy told me the alarm doesn't check the line state based on the > dialtone and he said that it uses the voltage to see when the line is idle, > ringing, etc and I think this is where the problem lies. > > Someone recommend this adapter offlist which looks interesting but the > price is a little nuts as it costs more than all the equipment we have > installed at this site combined. > > http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 > > Chris > > > On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff wrote: > >> Chris, >> >> Can you diagram the connections for me? >> >> Are the copper pairs swinging off a 66 block before terminating to the >> alarm panel or is there a direct copper path between the fxs port and the >> alarm? Are you using an RJ-11 or RJ-14 configuration? >> >> Could you estimate the copper distance between the termination points? >> >> Is the pstn path for the VG SIP or TOM? >> >> Also, I would be curious to know if the alarm panel is a Simplex Grinnell? >> >> Thanks, >> >> Ryan >> >> >> Original Message >> From: chris >> Sent: Saturday, February 28, 2015 07:52 PM >> To: cisco-voip@puck.nether.net >> Subject: [cisco-voip] FXS voltages / POTS compatibility >> >> Hello >> >> We have a location with a 2800 acting as a voice gateway where we have 2 >> FXS voice ports going to an alarm system. We are using the vic-4fxs/did >> line card. >> >> We have the alarm company saying they are seeing the panel reporting Comm >> trouble so we checked the call records and we also did some debugging in >> realtime and we see the calls are going out and when we plug a test set in >> the dial tone is good. >> >> In talking with the alarm company and researching we have come to believe >> the issue may be due to the idle and ringing voltages. We came across this >> link: >> >> >> http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html >> >> This looked promising however when we are in voice port configuration >> node we do not have the idle-voltage setting available. We tried several >> iOS versions in 12.4 as well as 15.x hut no luck >> >> Is this line card not capable of -48 idle voltage? What cards are? Do we >> need anything special as far iOS version? >> >> Ideally we want to have 2 voice ports that are as close to a standard >> pots line as possible. >> >> We are a bit lost as its the first time we have hit an issue like this >> and we are just hoping someone has been down this path before. If we have >> to change line cards or even to another platform we are open to it as long >> if someone has a setup that is known working in this manner >> >> Thanks in advance >> Chris >> > > > ___ > cisco-voip mailing list > cisco-voip@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-voip > > ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] FXS voltages / POTS compatibility
My guess is a resistance/impedance issue. Most alarm systems use the cheapest junk possible for their modem interfaces and as such, generally aren't very tolerant and can be picky. Have you tried 'no signal DID', then attempt to adjust the idle voltage on the voice port? Also, turning up the gain on the voice port can sometimes do the trick. Sometimes, putting heavier (more frequently occurring) twists in the copper pair helps too. If you can get your hands on an old ATA186 give that a shot. If you can, try an ATA187/190 and adjust the impedance in ccm to 900ohms (real). I assume the alarm company has at least power cycled their equipment as a trouble shooting step? The second those jokers hear VoIP they usually play dumb and become very unhelpful in a hurry. Do you have a B1 line handy to test with? If so, does the 'line detect' error clear on the alarm when you use the B1? Thanks, Ryan Original Message From: chris Sent: Saturday, February 28, 2015 10:28 PM To: Ryan Huff Subject: Re: [cisco-voip] FXS voltages / POTS compatibility CC: cisco-voip@puck.nether.net >Hey Ryan, > >We have a channelized T1 with channels split between voice/data so the >voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we >have a single copper pair with rj11 on both ends, one side going to the FXS >port and the other is going into alarm panel. The total distance from the >2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 >blocks or anything in between. >Don't know model of the panel (this is another location) > >From what I've read I think the problem is the default idle-voltage the >VIC-4FXS/DID is only -24V but based on the link I sent in the first email I >thought this could be reconfigured through the idle-voltage option but this >doesnt seem to be available when I try to enter it under the voice-port. >When I talked to the alarm company and told them I see the calls going >through the guy told me the alarm doesn't check the line state based on the >dialtone and he said that it uses the voltage to see when the line is idle, >ringing, etc and I think this is where the problem lies. > >Someone recommend this adapter offlist which looks interesting but the >price is a little nuts as it costs more than all the equipment we have >installed at this site combined. >http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 > >Chris > > >On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff wrote: > >> Chris, >> >> Can you diagram the connections for me? >> >> Are the copper pairs swinging off a 66 block before terminating to the >> alarm panel or is there a direct copper path between the fxs port and the >> alarm? Are you using an RJ-11 or RJ-14 configuration? >> >> Could you estimate the copper distance between the termination points? >> >> Is the pstn path for the VG SIP or TOM? >> >> Also, I would be curious to know if the alarm panel is a Simplex Grinnell? >> >> Thanks, >> >> Ryan >> >> >> Original Message >> From: chris >> Sent: Saturday, February 28, 2015 07:52 PM >> To: cisco-voip@puck.nether.net >> Subject: [cisco-voip] FXS voltages / POTS compatibility >> >> Hello >> >> We have a location with a 2800 acting as a voice gateway where we have 2 >> FXS voice ports going to an alarm system. We are using the vic-4fxs/did >> line card. >> >> We have the alarm company saying they are seeing the panel reporting Comm >> trouble so we checked the call records and we also did some debugging in >> realtime and we see the calls are going out and when we plug a test set in >> the dial tone is good. >> >> In talking with the alarm company and researching we have come to believe >> the issue may be due to the idle and ringing voltages. We came across this >> link: >> >> >> http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html >> >> This looked promising however when we are in voice port configuration node >> we do not have the idle-voltage setting available. We tried several iOS >> versions in 12.4 as well as 15.x hut no luck >> >> Is this line card not capable of -48 idle voltage? What cards are? Do we >> need anything special as far iOS version? >> >> Ideally we want to have 2 voice ports that are as close to a standard pots >> line as possible. >> >> We are a bit lost as its the first time we have hit an issue like this and >> we are just hoping someone has been down this path before. If we have to >> change line cards or even to another platform we are open to it as long if >> someone has a setup that is known working in this manner >> >> Thanks in advance >> Chris >> ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] FXS voltages / POTS compatibility
Hey Ryan, We have a channelized T1 with channels split between voice/data so the voice path is TDM. We have a VIC-4FXS/DID and for each of the two ports we have a single copper pair with rj11 on both ends, one side going to the FXS port and the other is going into alarm panel. The total distance from the 2800 to the alarm panel is around 20-30 feet and its a direct run, no 66 blocks or anything in between. Don't know model of the panel (this is another location) >From what I've read I think the problem is the default idle-voltage the VIC-4FXS/DID is only -24V but based on the link I sent in the first email I thought this could be reconfigured through the idle-voltage option but this doesnt seem to be available when I try to enter it under the voice-port. When I talked to the alarm company and told them I see the calls going through the guy told me the alarm doesn't check the line state based on the dialtone and he said that it uses the voltage to see when the line is idle, ringing, etc and I think this is where the problem lies. Someone recommend this adapter offlist which looks interesting but the price is a little nuts as it costs more than all the equipment we have installed at this site combined. http://www.homedepot.com/p/Viking-1-Line-Long-Loop-Adapter-VK-LLA-1/20435 Chris On Sat, Feb 28, 2015 at 8:18 PM, Ryan Huff wrote: > Chris, > > Can you diagram the connections for me? > > Are the copper pairs swinging off a 66 block before terminating to the > alarm panel or is there a direct copper path between the fxs port and the > alarm? Are you using an RJ-11 or RJ-14 configuration? > > Could you estimate the copper distance between the termination points? > > Is the pstn path for the VG SIP or TOM? > > Also, I would be curious to know if the alarm panel is a Simplex Grinnell? > > Thanks, > > Ryan > > > Original Message > From: chris > Sent: Saturday, February 28, 2015 07:52 PM > To: cisco-voip@puck.nether.net > Subject: [cisco-voip] FXS voltages / POTS compatibility > > Hello > > We have a location with a 2800 acting as a voice gateway where we have 2 > FXS voice ports going to an alarm system. We are using the vic-4fxs/did > line card. > > We have the alarm company saying they are seeing the panel reporting Comm > trouble so we checked the call records and we also did some debugging in > realtime and we see the calls are going out and when we plug a test set in > the dial tone is good. > > In talking with the alarm company and researching we have come to believe > the issue may be due to the idle and ringing voltages. We came across this > link: > > > http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html > > This looked promising however when we are in voice port configuration node > we do not have the idle-voltage setting available. We tried several iOS > versions in 12.4 as well as 15.x hut no luck > > Is this line card not capable of -48 idle voltage? What cards are? Do we > need anything special as far iOS version? > > Ideally we want to have 2 voice ports that are as close to a standard pots > line as possible. > > We are a bit lost as its the first time we have hit an issue like this and > we are just hoping someone has been down this path before. If we have to > change line cards or even to another platform we are open to it as long if > someone has a setup that is known working in this manner > > Thanks in advance > Chris > ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] FXS voltages / POTS compatibility
Chris, Can you diagram the connections for me? Are the copper pairs swinging off a 66 block before terminating to the alarm panel or is there a direct copper path between the fxs port and the alarm? Are you using an RJ-11 or RJ-14 configuration? Could you estimate the copper distance between the termination points? Is the pstn path for the VG SIP or TOM? Also, I would be curious to know if the alarm panel is a Simplex Grinnell? Thanks, Ryan___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] FXS voltages / POTS compatibility
Either opx lite cards or use some stuff from here: http://www.sandman.com/loop.html Sent from my iPhone > On Feb 28, 2015, at 5:47 PM, chris wrote: > > Hello > > We have a location with a 2800 acting as a voice gateway where we have 2 FXS > voice ports going to an alarm system. We are using the vic-4fxs/did line card. > > We have the alarm company saying they are seeing the panel reporting Comm > trouble so we checked the call records and we also did some debugging in > realtime and we see the calls are going out and when we plug a test set in > the dial tone is good. > > In talking with the alarm company and researching we have come to believe the > issue may be due to the idle and ringing voltages. We came across this link: > > http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html > > This looked promising however when we are in voice port configuration node we > do not have the idle-voltage setting available. We tried several iOS versions > in 12.4 as well as 15.x hut no luck > > Is this line card not capable of -48 idle voltage? What cards are? Do we need > anything special as far iOS version? > > Ideally we want to have 2 voice ports that are as close to a standard pots > line as possible. > > We are a bit lost as its the first time we have hit an issue like this and we > are just hoping someone has been down this path before. If we have to change > line cards or even to another platform we are open to it as long if someone > has a setup that is known working in this manner > > Thanks in advance > Chris > > ___ > cisco-voip mailing list > cisco-voip@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-voip ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
[cisco-voip] FXS voltages / POTS compatibility
Hello We have a location with a 2800 acting as a voice gateway where we have 2 FXS voice ports going to an alarm system. We are using the vic-4fxs/did line card. We have the alarm company saying they are seeing the panel reporting Comm trouble so we checked the call records and we also did some debugging in realtime and we see the calls are going out and when we plug a test set in the dial tone is good. In talking with the alarm company and researching we have come to believe the issue may be due to the idle and ringing voltages. We came across this link: http://www.cisco.com/c/en/us/support/docs/voice/analog-signaling-e-m-did-fxs-fxo/28280-ring-idle-voltages-fxs.html This looked promising however when we are in voice port configuration node we do not have the idle-voltage setting available. We tried several iOS versions in 12.4 as well as 15.x hut no luck Is this line card not capable of -48 idle voltage? What cards are? Do we need anything special as far iOS version? Ideally we want to have 2 voice ports that are as close to a standard pots line as possible. We are a bit lost as its the first time we have hit an issue like this and we are just hoping someone has been down this path before. If we have to change line cards or even to another platform we are open to it as long if someone has a setup that is known working in this manner Thanks in advance Chris ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
