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Community Member

Bearer capability not implemented

AS5350XM - ISDN trunk connected to device, no PBX involved.

boot system flash c5350-jk9s-mz.124-19b.bin

****Debug log***

Aug 19 18:14:18.949: ISDN Se2/0:23 Q931: RX <- SETUP pd = 8 callref = 0x1C40

Bearer Capability i = 0x8090A2

Standard = CCITT

Transfer Capability = Speech

Transfer Mode = Circuit

Transfer Rate = 64 kbit/s

Channel ID i = 0xA98381

Exclusive, Channel 1

Progress Ind i = 0x8283 - Origination address is non-ISDN

Calling Party Number i = 0x2183, '6199774592'

Plan:ISDN, Type:National

Called Party Number i = 0xC1, '5213100'

Plan:ISDN, Type:Subscriber(local)

Aug 19 18:14:18.953: ISDN Se2/0:23 **ERROR**: call_incoming: Received a call id 0x9F with a bad bearercap from 6199774592 on b channel 1

Aug 19 18:14:18.953: ISDN Se2/0:23 Q931: TX -> RELEASE_COMP pd = 8 callref = 0x9C40

Cause i = 0x80C1 - Bearer capability not implemented

Community Member

Re: Bearer capability not implemented

Included the following line.

voice-port 2/0:D

bearer-cap Speech

Cisco Employee

Re: Bearer capability not implemented

The bearer-cap command will have affect outgoing calls from the router towards the ISDN.

For inwards calls from the ISDN towards the router, you need to add the D channel command 'isdn incoming-voice modem' to allow the router to recognise the inwards speech bearer capability.

interface serial 2/0:15

isdn incoming-voice modem

Community Member

Re: Bearer capability not implemented

This did the trick:

interface Serial2/1:23

no ip address

encapsulation hdlc

isdn switch-type primary-ni

isdn incoming-voice modem

no fair-queue

no cdp enable

Thank you very much for the reply.

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