[cisco-voip] Display caller ID from "blocked" numbers

Brian Lehigh brianl at sti.net
Tue May 27 14:42:39 EDT 2008


All,
Is it possible to display caller ID from callers who are using caller
ID blocking?  We have a PRI from the PSTN terminating into a 2811
running MGCP connecting to CUCM6.1.
If I do a debug isdn q931 I can see the caller ID displayed whether
the caller ID is blocked or not.  The only difference that I see is
that when the caller ID is blocked it displays "Calling Party Number
i = 0x2183, '<phone number>' " and when it's unblocked it displays
"Calling Party Number i = 0x21A3, '<phone number>' ".
Is there a way to prevent Call Manger from saluting this flag and
pass the caller ID to the end station?

Thanks,

-Brian
Brian Lehigh
Network Operations Center
Sierra Tel Internet
559-683-7600 x216
559-692-9263 fax
http://www.sti.net



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