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Incoming Calling Number over QSIG Link PBX - CUCM 6.1

s.kho
Level 1
Level 1

Hi,

I am running CUCM 6.1, with a MGCP 2821 QSIG gateway interfacing to a Samsung PBX. The originating caller-id is being prepended with a three digits number for certain calls that are transferred from a Samsung Phone to a Cisco Phone over the E1 link. So instead of seeing a four digit extension number ie. 4321, the originating caller-id is showing as 7764321. There are other seven digits originating caller-id numbers such as 5267185 that are being sent correctly, without the prepended numbers.

I would like to strip off these three leading numbers? I also need to be sure that digit manipulation is only performed on originating caller-id that has a leading 776

It appears that on CUCM digit manipulation can only be performed on calling and called numbers. Is the originating caller-id in this case the same field as the calling number? Would manipulating the calling number in CUCM change the originating caller-id?

Thanks in advance.

Regards

1 Reply 1

tstanik
Level 5
Level 5

Manipulating the calling number don't change the originating caller-id.

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