08-27-2010 03:10 AM - edited 03-16-2019 12:29 AM
Hello,
A costumer has 9971 phones. When i use the call back feature and I do call back the other phone rings but the caller sees unknown number. Even if the call is answered. (i use ucm 8.02)
I tested it in my lab but it works fine. I don't understand what the problem might be.
With kind regards,
Martijn.
08-27-2010 10:34 AM
Exact same CUCM version and FW on phones?
HTH
java
If this helps, please rate
www.cisco.com/go/pdihelpdesk
08-27-2010 04:42 PM
Call flow? Protocols? We need more info in order to help. Are you calling out to the PSTN, or internal IP to IP? Debugs would also be helpful assuming we're going out to the pstn. Is this a PRI or SIP trunk.
More details please.....
08-30-2010 04:33 AM
UCM version 8.02c
problem exist internal! between two 9971 phones (SIP)!
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