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It does look like the Triggers have not synced. Are you able to run a Data Check in UCCX or does this also show an AXL Error.- UCCX > Subsystems > Cisco Unified CM Telephony > Data Check
Can you check if the CTI Route Points & CTI Ports for the non-working trigger numbers are registered correctly on your Subscriber. Or if there are any differences to the working & non-working trigger numbers. CTI Route Points: CUCM > Device > CTI Rou...
Please check the CUCM Configuration in UCCX and ensure that your Subscriber is a selected AXL Provider, Unified CM Telephony Provider Configuration CTI Manager & RmCm Provider Configuration CTI Manager.
I had this setup in a test environment with a CUCM Publisher, CUCM Subscriber, UCCX Publisher & UCCX Subscriber, the Certificates being generated by the themselves, not a Windows CA Server. Everything worked OK until I shutdown the CUCM Publisher.My ...