On Wed, 2005-07-20 at 21:02 -0700, Steve Totaro wrote: > I have connected to a 3com system via t1 and e1. t1 and e1 are standards, > not proprietary. > > > Ok, my Real question is I noticed that Digium has relesed a new T1 card > > with an echo canceller. I also noticed that its supports E&M Circuits. Im > > I have very little knowledge on T1 circuits and traditional PBX's so what > > Im asking is can I use Digiums T1 card to connect to another PBX via a tie > > line ? Or does the phone systems have to be the same ? > >
I think the confusion comes in from the different ways that T1s carry data. In general yes you can connect a traditional pbx to asterisk via a T1/E1/J1 card providing they both can speak the same dialect. Typically vendors make their interfaces support everything because you never know what variant they will connect to. It *might* use some secret proprietary standard on the pbx side but I would say if it does that would be exceptionally rare (I havent come across one that only does some secret propritary format). -- Trixter http://www.0xdecafbad.com Bret McDanel UK +44 870 340 4605 Germany +49 801 777 555 3402 US +1 360 207 0479 or +1 516 687 5200 FreeWorldDialup: 635378
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