ISDN 10 configuration to 2821

Unanswered Question
Sep 20th, 2010

I have a site in Singapore currently using this service in their current phone system.  We are planning to move it over to our 2821 and give them IP phones, but I need some guidance.

I have done many domestic T1 PRI connections to voice gateways, but never an E1 or ISDN 10.

I know I will need to configure the controller E1, but what are the specifics for the timeslots?  (Guessing: pri-group timeslots 1-10)?

Along with that, do you know what the D channel is?  I have seen ISDN 30 configurations in Australia, using pri-group timeslots 1-31, and that uses channel 15 for the D channel.

Thanks

I have this problem too.
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Steven Holl Tue, 09/21/2010 - 07:01

The D channel is used for signaling and is always channel 24 on a PRI and 16 on an E1.

Your guess on the configuration is correct.  Also note that MGCP is not supported on a fractional PRI.  H323 and SIP will be just fine.

Amit Sharma Wed, 10/13/2010 - 04:49
  • for case on e1, this is easy part for gateway.

you have to use h.323 gateway and then configure controller e1 with line code, framing and pri group time slots1-10

then see that gateway is working for calls over pri e1

but for this part use as a h.323 not as mgcp/

amit

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