The Received a call with a bad bearercap from (number) on B(x) error message indicates that the receiving ISDN circuit, or the Cisco router's ISDN interface, cannot accept this incoming ISDN call. The reason the call was rejected by the Cisco router is seen in the Bearer capability not presently available error message.
At this point, make sure that the Cisco router has been configured to accept voice/speech calls, and that the ISDN service provider has properly provisioned the ISDN circuit.
This is a sample output from a Cisco router ISDN BRI interface configured with the isdn incoming-voice modem command:
ip address 10.0.0.1 255.0.0.0
isdn switch-type basic-ni
isdn spid1 xxxxxxxxxxxxxx yyyyyyy
isdn spid2 pppppppppppppp qqqqqqq
isdn incoming-voice modem
Note: The modem is an optional parameter that is available when configuring the isdn incoming-voice command.
I am sure about ISDN SP, because I connect 2821 directly to as5300. But I am not sure about right configuration for voice on as5300, because it doesn't have "isdn incoming-voice voice" command, only "isdn incoming-voice modem (or data)"
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
Over the last few months, I have had the privilege of working on SI...
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