[cisco-voip] MGCP Gateway Calling Number Manipulation

Ryan Ratliff rratliff at cisco.com
Wed Apr 9 12:05:20 EDT 2008


Check out the CCM advanced service parameters starting with "incoming  
calling party".  This will automatically prefix digits on the calling  
party number for national, international, etc calls.

-Ryan

On Apr 9, 2008, at 11:53 AM, gweissenfels at gmx.de wrote:
Hello Team,

following topology:

PSTN------SiemensPBX---(Q-SIG)---MGCP-GW------CUCM_6.1.1

If a call comes in from the PSTN to the CUCM world via the QSIG- 
Trunk, the calling number is displayed on the IP Phone like this  
32xxxxxxxxxxxx for a call from belgium for example. It is not  
possible to call this number back, because the leading zeros are  
missing.  The calling number should look like this: 00032xxxxxxxxxxx.  
One 0 is needed to get an outside dialtone.
With H.323 i would do a digit manipulation on the gateway and prefix  
000 to the incoming calling national / international number.
Is there a way to do this with MGCP via the CUCM administration?

Any ideas?

Thanks in advance!

Gregor
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