One of the guys came to our department and was saying that the caller-ID number on an incoming call (to a call center) was the number that was actually dialed by the caller (which is directly to a hunt group). So what happens is that on a DID coming in, it hits a hunt group, which then comes to several callers who wait to answer the phone. To the internal guys, the caller-ID is the hunt group, until someone answers the phone. When the phone is answered and the call is connected, THEN the actual caller's caller-ID shows up correctly. Well, no one wants that. They, in this case, want the actual caller-ID of the caller, not the hunt group.
So I did some research and found that from CUCM version 8.X and up, the default behavior IS to show the caller-ID of the hunt group, if one is hit on its way to the users. I found this here:
CSCth95017 - Configurable parameter on how callingparty is displayed for hunt groups
To stop that, here is where you go:
Go to System --> Service Parameters
Select the Publisher --> Cisco CallManager
Select 'Advanced'
thx, this is good hint.
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