Re: [WISPA] OT Fax over Voip
You don't need vlans but helps in keeping voice and data separate. but what is needed is qos. Make sure that is setup correctly. Even with vlans you should have it. Leon Sent from my iPhone On Apr 2, 2014, at 9:03 AM, wi...@mncomm.com wrote: OK, I will. Right now its on my remote techs bench with a Cat5e cable and a switch between the 2 devices. Where this will be going is a farmers elevator site 150 feet between the 2 buildings using UBNT NSM5 radios, excellent quality. Right now they are using 5 VoIP NEC phones at the remote site, plus the same link is carrying their data needs as well, for 5 PCs. I didn’t build separate VLANs as it is a very small network. Regardless I cannot get these to work 10 feet to each other over cable. Voice works great. I will have my tech put together what he has done. He has several hours into it. Usually we wouldn’t dive into stuff too deep, but this customer also hosts a major site for us using their grain leg thanks heith -Original Message- From: Nathan Anderson Sent: Tuesday, April 01, 2014 8:52 PM To: 'WISPA General List' Subject: Re: [WISPA] OT Fax over Voip On Monday, March 31, 2014 7:04 AM, wi...@mncomm.com wrote: So, the scenario would be the CO goes into a gateway device to convert to digital, goes over the LAN to the other gateway device. That device hooks up to the fax machine. If someone has done this before can you share the products you may have used? The products we have say they will work this way, but no luck, just voice transmission. I may have a bad device as well. If you are talking about a private point-to-point wireless link shot between two buildings across a parking lot or whatever, with excellent link quality characteristics and low jitter and latency, there is no reason that I can think of why moving the fax machine over wouldn't just work. Perhaps you could share with us the following: 1. Model of the Grandstream gateways in question. 2. How you have the gateways configured (e.g., codec being used and such). 3. What equipment you are using to do the wireless shot. 4. Average throughput, latency, and jitter across that link. 5. Whether the link is for phone use only, or is combined voice and data. 6. ...if combined, whether any kind of QoS is being employed to promote voice transmission ahead of data. ...and, most importantly... 7. What exactly happens when you try to send or receive a fax over the gateway devices. A vague it doesn't work description never helped anybody solve anything. :-) Give us details. How does it fail, exactly? How far along does it get? Is it able to transmit a partial page and then the connection drops? Or can it not even complete the handshake with the other fax machine? If it works for voice, I very much doubt you have a bad device, unless it is a software/firmware issue on the device(s). If the device was physically bad, I suspect the defect would present itself in other ways as well. General things to try out and to look out for: If you are using some fancy, efficient voice codec like G.729, turn that crap off. Limit both gateways to negotiate G.711u with each other only. If they have a T.38 option, make sure it is either enabled on both sides, or disabled on both sides...if there is a mismatch, some SIP stacks behave very badly if/when their re-INVITE to T.38 is rejected by the other peer. If the gateway devices support T.38 and it happens to be enabled, try turning it off. The T.38 spec is so vague as to often be useless, and there can be interop problems even between two identical devices (I swear that sometimes vendors don't test their own products...it's infuriating). And on a private, short-haul link like that, I would sure think that using G.711u PCM for both voice and fax transmission would be sufficient and pose no problems. On the other hand, if latency and jitter are sometimes a problem and the quality of the link is in doubt, and you haven't been using T.38, then by all means give T.38 a try, assuming your Grandstream devices can act as T.38 gateways (it's not enough for them to have T.38 passthrough support, they must have GATEWAY functionality). Once you finally get past all of the interop issues, T.38 really can work magic for FoIP on uncontrolled IP links. If you are using T.38 (or, heck, even if you aren't using T.38), try forcibly lowering the maximum modulation rate that their fax machine will attempt to handshake to the other side with. It is still (sadly) incredibly common for most production T.38 implementations these days to be based off of version 0, which does not include support for gatewaying V.34, only V.17. If they have a Super G3 fax machine, the T.38 gateway feature should in theory just ignore the handshake and not even engage and try to re-INVITE to T.38, but you never know...could be buggy. Or if you aren't
Re: [WISPA] OT Fax over Voip
What I of for faxing is use vitelitys fax service. It comes in to my email as PDF case closed. Outbound I got fax working from my machine or I send it via the Vitelity fax portal. Sent from my iPhone On Apr 2, 2014, at 6:18 PM, wi...@mncomm.com wrote: I havent got my tech to log what he has done so far. Lines will connect to and from remote fax machines, no handshake apparently, no talky over the devices. I will be more descriptive shortly. Sucks that he is four hours away and a rookie compared to me with telephony, not that I am much better haha -Original Message- From: Fred Goldstein Sent: Wednesday, April 02, 2014 5:08 PM To: wireless@wispa.org Subject: Re: [WISPA] OT Fax over Voip On 4/2/2014 5:24 PM, Nathan Anderson wrote: On Wednesday, April 02, 2014 6:55 AM, Fred Goldstein wrote: But in addition to that, I STRONGLY recommend a separate VLAN for the voice-grade channels. With priority, or reserved bandwidth. TCP/IP in normal operation manages its flow rate by having packets thrown away; that's why the 1G LAN port on your PC doesn't blast a whole file at 1G into a 2M link. It uses packet loss as a signal. TCP applications retransmit and actual human voice is intelligible with some gaps, but modems, including fax, are very unhappy. Do note that RTP is implemented over UDP, not TCP, so in VoIP, a dropped audio packet is a lost audio packet, not a delayed or even out-of-order audio packet (although those other two things can happen...they just aren't a result of retransmits, or at least not a retransmit initiated by Layer 4). I guess my grammar was a bit rough there! So you're of course right. TCP applications retransmit. (period) Actual human voice (which doesn't retransmit, as it can't wait) is intelligible some gaps. Modes, however, including fax, are very unhappy with gaps. And stressing Nathan's previous note (*what* doesn't work?), this may be one of those *rare* occasions when a video (YouTube anyone?) might actually help. Although the audio alone is more important. If we could (see and) hear the call being dialed by the originating fax, hear what the ring sequence sounded like, and heard the response, with the speaker belching the CNG tone all along, it might help identify the problem. But really, fax and VoIP don't get along very well unless you really tune the VoIP network up to support it. And I know how some faxes are picky. My office fax line sat here virtually unused for years, but my wife needs to receive faxes regularly. Her fax is on a Comcast PacketCable (they call it VoIP but it's really managed VuIP) line that is shared with her office phone and answering machine. My fax (both are Brothers) can send hers a fax. The answering machine gives its spiel, starts to listen, then the fax hears CNG and cuts off the answering machine and sends modem tones. Just like it's supposed to work. But the fancy new fax server system at the courthouse just won't send to it. (Nor will some sizeable fraction of other machines.) It will send to mine, which isn't shared with an answering machine, but not one that is. Picky picky. Fax is like that. -- Fred R. Goldstein k1io fred at interisle.net Interisle Consulting Group +1 617 795 2701 ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
[WISPA] Referral Needed for Wisp in Boston, MA
Hi Wisps, I have a client event in 2 weeks in Boston, MA. I am looking for a referral to a local WISP who can provide a 100 Mbps wireless shot. Please contact me directly. P.S. I already tried the Wispa Directory. Thanks have a great day, Ian Framson Co-founder www.tradeshowinternet.com i...@tradeshowinternet.com (866) 385-1504 x701 (818) 590-7475 mobile (415) 704-3153 fax Connect With Us ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] Referral Needed for Wisp in Boston, MA
Towerstream? Gino A. Villarini President Aeronet Wireless Broadband Corp. www.aeronetpr.com @aeronetpr From: Ian Framson i...@tradeshowinternet.commailto:i...@tradeshowinternet.com Reply-To: WISPA General List wireless@wispa.orgmailto:wireless@wispa.org Date: Saturday, April 5, 2014 11:25 AM To: wireless@wispa.orgmailto:wireless@wispa.org wireless@wispa.orgmailto:wireless@wispa.org Subject: [WISPA] Referral Needed for Wisp in Boston, MA Hi Wisps, I have a client event in 2 weeks in Boston, MA. I am looking for a referral to a local WISP who can provide a 100 Mbps wireless shot. Please contact me directly. P.S. I already tried the Wispa Directory. Thanks have a great day, Ian Framson Co-founder [Trade Show Internet logo]http://www.tradeshowinternet.com/ www.tradeshowinternet.comhttp://www.tradeshowinternet.com/ i...@tradeshowinternet.commailto:i...@tradeshowinternet.com (866) 385-1504 x701tel:%28866%29%20385-1504%20x701 (818) 590-7475tel:%28818%29%20590-7475 mobile (415) 704-3153tel:%28415%29%20704-3153 fax Connect With Us [Facebook] http://www.facebook.com/TradeShowInternet [Twitter] http://twitter.com/TSInternet [Google Plus Page] https://plus.google.com/115903484193884732934 [LinkedIn] http://www.linkedin.com/in/ianframson ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] FS: RocketDish + Rocket M2s
Do you still have these units? NGL From: Chris Fabien Sent: Friday, April 04, 2014 6:36 AM To: WISPA General List ; a...@afmug.com Subject: [WISPA] FS: RocketDish + Rocket M2s I have a surplus of Ubiquiti RD-2G24 2ft dishes with Rocket M2s attached. Used working pulls. $150ea or quantity discount, plus shipping. -- ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] Referral Needed for Wisp in Boston, MA
Ian I owe you a phone call. Tower stream would be your only real choice in Boston. There are a few others but not at that bandwidth. -B- Bob Moldashel Five Nines Wireless Inc 516-551-1131 Direct On Apr 5, 2014, at 11:25 AM, Ian Framson i...@tradeshowinternet.com wrote: Hi Wisps, I have a client event in 2 weeks in Boston, MA. I am looking for a referral to a local WISP who can provide a 100 Mbps wireless shot. Please contact me directly. P.S. I already tried the Wispa Directory. Thanks have a great day, Ian Framson Co-founder www.tradeshowinternet.com i...@tradeshowinternet.com (866) 385-1504 x701 (818) 590-7475 mobile (415) 704-3153 fax Connect With Us ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] FS: RocketDish + Rocket M2s
What is shipping to 95423 Mo. Cal? NGL From: Chris Fabien Sent: Saturday, April 05, 2014 9:22 AM To: WISPA General List Subject: Re: [WISPA] FS: RocketDish + Rocket M2s Yes i have qty 10 of them. I'll attach some photos. They are used working pulls from customers we upgraded to wimax due to 2.4ghz interference. In good shape, a few have some paint chips on the dish, one has a little rust on the bracket. On Sat, Apr 5, 2014 at 11:52 AM, ~NGL~ n...@ngl.net wrote: Do you still have these units? NGL From: Chris Fabien Sent: Friday, April 04, 2014 6:36 AM To: WISPA General List ; a...@afmug.com Subject: [WISPA] FS: RocketDish + Rocket M2s I have a surplus of Ubiquiti RD-2G24 2ft dishes with Rocket M2s attached. Used working pulls. $150ea or quantity discount, plus shipping. -- ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless -- ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] FS: RocketDish + Rocket M2s
Which Wimax equipment are you using? Chris Fabien wrote: Yes i have qty 10 of them. I'll attach some photos. They are used working pulls from customers we upgraded to wimax due to 2.4ghz interference. In good shape, a few have some paint chips on the dish, one has a little rust on the bracket. On Sat, Apr 5, 2014 at 11:52 AM, ~NGL~ n...@ngl.net mailto:n...@ngl.net wrote: Do you still have these units? NGL *From:* Chris Fabien mailto:ch...@lakenetmi.com *Sent:* Friday, April 04, 2014 6:36 AM *To:* WISPA General List mailto:wireless@wispa.org ; a...@afmug.com mailto:a...@afmug.com *Subject:* [WISPA] FS: RocketDish + Rocket M2s I have a surplus of Ubiquiti RD-2G24 2ft dishes with Rocket M2s attached. Used working pulls. $150ea or quantity discount, plus shipping. ___ Wireless mailing list Wireless@wispa.org mailto:Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org mailto:Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
Re: [WISPA] Referral Needed for Wisp in Boston, MA
NetBlazr serves the Back Bay, South End, Symphony, Newmarket, Fenway, South Boston, Roxbury, and Charlestown neighborhoods. They also contract with Lightower. http://www.netblazr.com/join/ On Sat, Apr 5, 2014 at 10:25 AM, Ian Framson i...@tradeshowinternet.comwrote: Hi Wisps, I have a client event in 2 weeks in Boston, MA. I am looking for a referral to a local WISP who can provide a 100 Mbps wireless shot. Please contact me directly. P.S. I already tried the Wispa Directory. Thanks have a great day, Ian Framson Co-founder [image: Trade Show Internet logo] http://www.tradeshowinternet.com/ www.tradeshowinternet.com i...@tradeshowinternet.com (866) 385-1504 x701 (818) 590-7475 mobile (415) 704-3153 fax Connect With Us [image: Facebook]http://www.facebook.com/TradeShowInternet [image: Twitter] http://twitter.com/TSInternet [image: Google Plus Page] https://plus.google.com/115903484193884732934 [image: LinkedIn]http://www.linkedin.com/in/ianframson ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless -- Ben West b...@gowasabi.net ___ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
