[cisco-voip] CUCM/HiPath QSIG Integration - Callback CCNR/CCBS not working -

[Robert Schuknecht]

Hi List,

 

i have the following Problem: Callmanager is connected to a Siemens HiPath
via an E1 QSIG Connection. For this connection we have to use Number Plan
ISDN and Number Type International for the calling number and the called
number. Basic Calls are working fine. 

 

Callback (CCNR/CCBS) is  working only in one Direction, HiPath to CUCM. From
CUCM to HiPath Callback is not working, as far as we use ISDN/International
for calling/called number. If we change to unknown/unknown for
calling/called number, Callback is working from CUCM to HiPath. The HiPath
engineer assumes that the NumberPlan/NumberType ISDN/International is
causing the issue. Because, we found out that the calling/called number
inside the Callback request are still unknown/unknown though the
calling/called numbers from the original call are ISDN/International.

 

Does anybody know if it is possible to change the NumberType/NumberPlan,
inside the callback Request to ISDN/International? Or, does anybody know how
to configure the HiPath System to accept unknown/unknown even if the
original called/calling numbers are in ISDN/International Format?

 

The Callmanager we are using is 7.1.3.32900-4, 7.1.3SU2b I think. The
version of the HiPath, I do not know.

 

Many thanks in advance,

 

/Robert

 

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