Can HWIC-1CE1T1-PRI support voice applications

Unanswered Question
Nov 27th, 2011

The product sheet and another helpful forum post clearly states that the HWIC-1CE1T1-PRI does NOT support voice applications on the PRI, only data applications. However, running 15.2(1)T when we configure a PRI group, it seems to imply that it can support a voice application with a command option to the PRI-group.

dal-rtr02(config-controller)#pri-group timeslots 1-24

%PRI-group is created for data application only.

%For voice application, please remove this pri-group, then configure pri-group again with voice-dsp option.

What gives? I cannot find this command documented anywhere. What does the "voice-dsp" option for the "pri-group timeslots" do?

Should we assume this card can STILL not be used for SIP/TDM Voice gateway services?

Thanks for any tips/confirmation you can provide.

Kris

I have this problem too.
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KARTHIK SIVARAM Wed, 11/30/2011 - 08:54

hi Kris,

Yes  what you read in the product data  sheet is right . ( why do you doubt it ?   )

HWIC-1CE1T1-PRI are  for data-isdn and not for voice. 

Hope that helps!

Thanks,

Karthik

Kris Thompson Fri, 12/02/2011 - 13:48

Understood, but what is this "voice-dsp" option for on the end of the "pri-group timeslots" command?

This seems undocumented.

The router output is confusing and implies you could use the "voice-dsp" option to enable voice application. What is this all about? Best ignored I guess. The customer is now buying the correct hardware.

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Posted November 27, 2011 at 6:13 PM
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