So would both work with Asterisk as an interconnect? The configuration I want is:<br><br><br>Asterisk/TE410 (Site A) <---> 30 channels in the service provider network <---> Asterisk/TE410 (Site B)<br><br>With the 31x64kbps leased line the service provider gives the following specifications:
<br>Max bandwidth: 1984kbps<br>Framing: G.704<br>Line encoding: HDB3<br>Customer interface: Electrical G.703 <br><br>With the E-1 the service provider gives the following specifications:<br>
Max bandwidth: 2048kbps<br>
Framing: Clear Channel<br>
Line encoding: HDB3<br>
Customer interface: Electrical G.703 <br><br>The question is will either one work with Asterisk? And what are pros and cons of each service for use in conjunction with each. Could I run a PRI protocol over either one since I will cintrol both ends?
<br><br><br><br><br><div><span class="gmail_quote">On 9/23/06, <b class="gmail_sendername">Jay R. Ashworth</b> <<a href="mailto:jra@baylink.com">jra@baylink.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Sat, Sep 23, 2006 at 08:22:18AM +1000, Eric Bishop wrote:<br>> We are looking to interconnect 2 Asterisk boxes at seperate sites via a TDM<br>> leased line, rather than IP mainly for commercial reasons. Our network
<br>> provider is offering us either a 31x64kbps leased line or an E1. Am I just<br>> ignorant or are these the same thing? An E1 has 30 B channels and 1 D<br>> channel. That is also I guess what we would run over the 31x64kbps leased
<br>> line so what is the difference? Which should I choose and would work best<br>> with Asterisk.<br><br>My intuition is you're gonna spend a whole lot of extra money on<br>interface cards doing it that way.
<br><br>An E-1 is a 32-timeslot circuit; usually broken up as 30B+1D+sync.<br><br>If you get it as unframed data, rather than a PRI, you can have all 31<br>slots to yourself, since you don't need one to talk to the switch.
<br><br>You might want, if you can, to expand on your "commercial reasons". If<br>you're getting a leased line, you can *still* put the appropriate<br>half-bridges on each end, and run IP over Ethernet over that line...
<br>which would probably be cheaper than the T-cards.<br><br>Plus, I'm told that it's a Bad Idea to have multiple T-cards in one<br>chassis... though I can't imagine why...<br><br>Cheers,<br>-- jra<br>--<br>Jay R. Ashworth
<a href="mailto:jra@baylink.com">jra@baylink.com</a><br>Designer Baylink RFC 2100<br>Ashworth & Associates The Things I Think '87 e24<br>
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