[asterisk-users] How asterisk use pri channel

Richard Mudgett rmudgett at digium.com
Thu Jun 9 10:41:01 CDT 2011


> But believe me no one option works for me. I tried dahdi/25/XXXXXXX
> but it still using pri first channel or anyother channel

Dialing DAHDI/25/xxxxxxxx will dial channel 25 only.
For ISDN spans I do not recommend doing that because your call will
fail if that channel is already in use when there may be other B channels
available for the call.

> In old zap school you can do that but in dahdi I don't think you can.
> Until unless you create g1 g2 ... Group in chan_dahdi.cfg and map
> channels there.

You should be creating groups for your ISDN spans.

Richard



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