ISDN BRI Not working with h323 gateway

Unanswered Question
Apr 22nd, 2007

We are using NM-4B-S/T= as a ISDN BRI card to terminate ISDN BRI lines from service provided to make incoming and outgoing calls on H323 gateway. I am facing a problem of with error as below.

025786: *Apr 23 08:12:12.716: ISDN BR2/2 **ERROR**: accept_incoming_csm_call: modem problem Bearer capability not available(0x3A): b channel 0, call id 0x8B.

I have also added isdn incoming-voice modem command as per the isdn disconnect cause codes. But still the problem persist. We have tested BRI line with BRI Analyzer and calls are landing on it successfully.

Is this NM-4B-S/T= supported to make and receive voice calls.

I have successfully tested calls made from analog lines on the same gateway, Problem is only with the BRI lines.

Kindly suggest,

Regards,

Nitesh

I have this problem too.
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lpezj Sun, 04/22/2007 - 23:34

Hi,

Try to add this command to your voice ports:

bearer-cap Speech

Hope this helps,

Juan Luis

niteshtaneja Sun, 04/22/2007 - 23:41

Hi Juan,

I am using c3845-spservicesk9-mz.123-11.T11.bin" IOS on my Gatway router. And the command bearer-cap speech is not supported.

Kind Regards,

Nitesh

Paolo Bevilacqua Mon, 04/23/2007 - 03:16

Hi,

No the NM-4B-S/T does NOT support voice calls, data only. Only VIC-2BRI (first letter V as in Voice) will support voice.

Hope this helps, if so please rate post!

niteshtaneja Sun, 05/06/2007 - 06:24

Hi,

This was card issue and it got resolved by replaceing the card with VIC-2BRI.

Thanks for all your help.

Regards,

Nitesh

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