I have H323 Voice Gateway with a number of FXO ports, this gateway is defined in CUCM 8.5,
every thing is working fine, I can use the fxo port to send offline calls and recieve incomming call on fxo port, but when i recieve the call on the IP phone it does not displayed the Caller ID, instead of that it displaed "..Unknown Number",
My question is : How to display the caller ID for the calls comming on the FXO port, and that calls are forwarded to cucm.
Thanks in Advance,
Check if it's enabled under FXO voice port
Make sure that your Telco have it enabled on their end.
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it is enabled but still not work, and i test the pstn line, i can recieve the caller id by using normal analog phone.
please advise if there any configuration needed