Cisco Bug: CSCvt48649 - calling party ID is not being updated from ISDN during transfer.
Mar 25, 2020
- Cisco IOS
Known Affected Releases
Symptom: ++ calling party ID is not being being updated from ISDN , basically the voice gateway generates q931 NOTIFY message to update caller ID successfully but if same message received from ISDN provider it failed to process it. ++ call flow: CUCM cluster 1 >>>> SIP >>>> Gateway 1 (ISR4331) >>> PRI >>>>> ISDN provider >>>> PRI >>>> Gateway 2 (ISR4331) >>>> SIP >>>> CUCM cluster 2 the problem noticed when the call being transferred as the redirect caller ID is not being updates as expected. ++ both routers same model/ (ISR4331 , IOS version 16.11.1a) and have same configurations. Conditions: transfer over ISDN.
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