Customer using CUCMBE 6.1 asked me to create a new auto attendant in Unity Connection for a new office. Several of the caller input options resulted in the caller being transferred off premise. I found that by default, the DN of the transferring voice mail port was being presented to the PSTN via the PRI. Using an external mask on the voicemail ports, or transferring to a forwarded DN on a CTI Route Point with an external mask still presented the voicemail DNs.
Ultimately found that the CLID of the original caller can be passed by adjusting a CUCM service parameter.
See:
System -
Service Parameters -
-
Cisco CallManager -
Clusterwide Parameters (Device - Phone) -
Display Original Calling Number on Transfer from Cisco Unity
The default is
False. When changing to
True, the external destination number is presented with the CLID of the original external caller.
Nice.
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