I had an issue the other day when we replaced an ISDN PRI interface with a BRI. I reconfigured the voice gateway and had inbound calls working – albeit a fair bit of static. However, I could not get outbound calls to go via the BRI interface. I had debugging on for isdn q931 and voip ccapi inout and was seeing entries similar to:
Aug 5 07:51:08.643: ISDN BR0/1/0 Q931: RX <- RELEASE_COMP pd = 8 callref = 0x84
Cause i = 0x82E404 - Invalid information element contents
Aug 5 07:51:08.643: //21/8043BD33BC09/CCAPI/cc_api_call_disconnected:
Cause Value=100, Interface=0x4900DFC0, Call Id=21
Aug 5 07:51:08.643: //21/8043BD33BC09/CCAPI/cc_api_call_disconnected:
Call Entry(Responsed=TRUE, Cause Value=100, Retry Count=0)
Aug 5 07:51:08.643: //20/xxxxxxxxxxxx/CCAPI/ccCallReleaseResources:
release reserved xcoding resource.
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/ccCallSetAAA_Accounting:
Accounting=0, Call Id=21
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/ccCallDisconnect:
Cause Value=100, Tag=0x0, Call Entry(Previous Disconnect Cause=0, Disconnect Cause=100)
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/ccCallDisconnect:
Cause Value=100, Call Entry(Responsed=TRUE, Cause Value=100)
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/cc_api_get_transfer_info:
Transfer Number Is Null
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/cc_api_call_disconnect_done:
Disposition=0, Interface=0x4900DFC0, Tag=0x0, Call Id=21,
Call Entry(Disconnect Cause=100, Voice Class Cause Code=0, Retry Count=0)
Aug 5 07:51:08.647: //21/8043BD33BC09/CCAPI/cc_api_call_disconnect_done:
Call Disconnect Event Sent
Aug 5 07:51:08.647: //-1/xxxxxxxxxxxx/CCAPI/cc_free_feature_vsa:
In the end it turns out I was missing the configuration command compand-type a-law
voice-port 0/1/0
translation-profile incoming pstn-incoming
translation-profile outgoing pstn-outgoing
compand-type a-law
cptone AU
Note this is for a router in Australia – other countries might be different.
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