I am working on a system where they have 1 analog line plugged into their H323 gateway, we have set the caller-id enabled on the FXO port and when we do a "Debug VPM Signaling" we can see the caller id of the phone as it hits the voice gateway. However, all we see on the IP phones is Unknown Number. What could possibly be preventing the caller id information from getting to the phones? They are on Call Manager 7.1.5 still.
Plus to Suresh , add "caller-id alerting line-reversal" under voice-port . Secondally share "show diag " under your VG router , i need to make sure that your fxo support Caller id , some old fxo modules are not support.
how to contact with u via mail please assist me ,,,,,,,,,,, because i have same issue and several question to you please please help me because i am getiing new job and my probatation period is running and in this period done all work thas why
SIP traces provide key information in troubleshooting SIP Trunks, SIP
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Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
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[toc:faq]CUCM Database Replication is an area in which Cisco customers
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