CUCM 8.6: Display "unknown" when call from PSTN to IP Phone (SCCP) and display IP of CUCM when call from PSTN to IP SIP Phone
We're using CUCM Version 8.6 and mgcp gateway Cisco 2921 with FXO port. We're facing these problem:
1. When the first call from PSTN to IP SCCP Phone via FXO port, we see the number. But from the 2nd call, we see "unknown". We do shut/no shut on voice-port, and we only the the number at the first call, from the 2nd call, we always see "unknown". How can we solve this problem?
2. When call from PSTN to IP SIP Phone via FXO port, we always see the IP of CUCM. How can we solve this problem?
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