Re: [asterisk-users] Anybody doing PRI over IP?
Good point, folks, and thank you. I don't know yet whether they'll using something that is really a DS1-over-IP but that's what it sounds like. Since this would be a new Asterisk install rather than a legacy PBX, I probably prefer to go with somebody who can do plain SIP/IAX trunking (and not eat 1.5+ MBPS on the net connection constantly). -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
Right, this is how I expected it to operate. My prior question though was regarding the 'T1 over Ethernet' scheme someone mentioned which ran full throughput all the time. That is true. If you're doing a clear-channel or pseudo-wire T1 over ethernet you will always be using 1.54 Mbps weather the T1 has any data on it or not. -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
[asterisk-users] Anybody doing PRI over IP?
A carrier I like will be introducing PRI over IP, presumably going thru some sort of gateway box (I'm guessing by Adtran but no data yet). Has anybody set up successfully to work directly with such a feed without bothering to take it down to T1 and use a T1/PRI card? Thanks -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
On 07/07/2011 04:41 PM, eric weaver wrote: A carrier I like will be introducing PRI over IP, presumably going thru some sort of gateway box (I'm guessing by Adtran but no data yet). Has anybody set up successfully to work directly with such a feed without bothering to take it down to T1 and use a T1/PRI card? Are you talking about a TDMoIP solution? Or are you talking about trunking calls over an IP medium with PRI as the last-mile handoff at both ends? -- Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
- Original Message - A carrier I like will be introducing PRI over IP, presumably going thru some sort of gateway box (I'm guessing by Adtran but no data yet). Has anybody set up successfully to work directly with such a feed without bothering to take it down to T1 and use a T1/PRI card? Since you're getting this delivered via IP, I assume you already have 'Internet connectivity' of some sort. So, this PRI over IP is likely for voice? In most instances, this just means the carrier is giving you 23 simultaneous channels (or fractional) of VoIP connectivity and calling it a PRI for marketing speak. Some examples: http://www.ipcomms.net/html/package-virtualt1.html http://www.didlive.com/virtual_t1.htm I'm not saying this is a bad thing, just that it really isn't anything 'groundbreaking' or 'special'. I *have* used such a service before. In one case, the 'virtual PRI' was terminated to me via SIP via my Asterisk PBX box. In another instance, it was handed off via SIP to a Cisco gateway which presented a standard PRI port to the customer PBX equipment. In either case, the general idea is that you already have IP transport, this is for voice, and the channels are provided by SIP. Your termination equipment could likely be anything that handles SIP. If this turns out to be something *not* disguised as just SIP in X number of channels form, I'd be interested to hear details. Maybe some sort of TDMoIP service? --Tim -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
From: eric weaver ecwea...@gmail.com Sent: Thursday, July 07, 2011 4:41 PM To: asterisk-users@lists.digium.com Subject: [asterisk-users] Anybody doing PRI over IP? A carrier I like will be introducing PRI over IP, presumably going thru some sort of gateway box (I'm guessing by Adtran but no data yet). Has anybody set up successfully to work directly with such a feed without bothering to take it down to T1 and use a T1/PRI card? Thanks eric I agree with others that likely what you are getting is a product that is SIP based and it is just being priced and bundled to compete with a PRI connection as most bussiness owners and phone guys know what a PRI is.. We have pri's into gateways that run on our VOIP network and we have sip trunks and we mix services out to our customers based on what the routes require. Most of our up line CLEC's can now deliver their TDM and SIP services in both forms so in most cases we take the SIP version and where the vendor does not support SIP correctly we take their PRI version and convert it to SIP ourselves on our gateways. zktech -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
There is a T1 over Ethernet scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Cary _ From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Bryant Zimmerman Sent: Thursday, July 07, 2011 4:00 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Anybody doing PRI over IP? _ From: eric weaver ecwea...@gmail.com Sent: Thursday, July 07, 2011 4:41 PM To: asterisk-users@lists.digium.com Subject: [asterisk-users] Anybody doing PRI over IP? A carrier I like will be introducing PRI over IP, presumably going thru some sort of gateway box (I'm guessing by Adtran but no data yet). Has anybody set up successfully to work directly with such a feed without bothering to take it down to T1 and use a T1/PRI card? Thanks eric I agree with others that likely what you are getting is a product that is SIP based and it is just being priced and bundled to compete with a PRI connection as most bussiness owners and phone guys know what a PRI is.. We have pri's into gateways that run on our VOIP network and we have sip trunks and we mix services out to our customers based on what the routes require. Most of our up line CLEC's can now deliver their TDM and SIP services in both forms so in most cases we take the SIP version and where the vendor does not support SIP correctly we take their PRI version and convert it to SIP ourselves on our gateways. zktech -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
- Original Message - There is a “T1 over Ethernet” scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Wow, that sounds horrifically inefficient. *MAYBE* keep the D channel open all the time if necessary, but what about all the channels that are not in use? Just waste 64k for each channel just because? Do you have any information on this technology, or the name of the vendor that offers it? You've piqued my interest. :) --Tim -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
You can try digium. They provide the T1 cards. Check http://www.digium.com/ Thanks Indranil -Original Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Tim Nelson Sent: Thursday, July 07, 2011 4:18 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Anybody doing PRI over IP? - Original Message - There is a “T1 over Ethernet” scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Wow, that sounds horrifically inefficient. *MAYBE* keep the D channel open all the time if necessary, but what about all the channels that are not in use? Just waste 64k for each channel just because? Do you have any information on this technology, or the name of the vendor that offers it? You've piqued my interest. :) --Tim -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
-Original Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Tim Nelson Sent: Thursday, July 07, 2011 4:18 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Anybody doing PRI over IP? - Original Message - There is a T1 over Ethernet scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Wow, that sounds horrifically inefficient. *MAYBE* keep the D channel open all the time if necessary, but what about all the channels that are not in use? Just waste 64k for each channel just because? I work for a CLEC. For our VoIP service we offer the customer a choice of how we handoff to the customer. Customers can pick POTS, PRI, CT1, or SIP handoff. Calls are SIP from our IAD/CPE device at the customer (usually an Adtran box w/SIP) all the way to our core. Many carriers do this, there is nothing special about it. -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
- Original Message - -Original Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Tim Nelson Sent: Thursday, July 07, 2011 4:18 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Anybody doing PRI over IP? - Original Message - There is a T1 over Ethernet scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Wow, that sounds horrifically inefficient. *MAYBE* keep the D channel open all the time if necessary, but what about all the channels that are not in use? Just waste 64k for each channel just because? I work for a CLEC. For our VoIP service we offer the customer a choice of how we handoff to the customer. Customers can pick POTS, PRI, CT1, or SIP handoff. Calls are SIP from our IAD/CPE device at the customer (usually an Adtran box w/SIP) all the way to our core. Many carriers do this, there is nothing special about it. Right, this is how I expected it to operate. My prior question though was regarding the 'T1 over Ethernet' scheme someone mentioned which ran full throughput all the time. --Tim -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
Re: [asterisk-users] Anybody doing PRI over IP?
-Original Message- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Tim Nelson Sent: Thursday, July 07, 2011 4:18 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] Anybody doing PRI over IP? - Original Message - There is a T1 over Ethernet scheme that runs a T1 over Ethernet, Up all the time. It consumes 1.5 +/- megs 24/7. I would suspect that was what was being offered. Wow, that sounds horrifically inefficient. *MAYBE* keep the D channel open all the time if necessary, but what about all the channels that are not in use? Just waste 64k for each channel just because? Do you have any information on this technology, or the name of the vendor that offers it? You've piqued my interest. :) --Tim The reason for this scheme as proposed to us was for FAX use rather than other means. The people who proposed it however within a week converted to Plan B. So, I have no further info. CF -- _ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
