Attended Transfer Probleme with CUCM V6.1

Unanswered Question
Jan 27th, 2010
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I have to configure a Cisco Unified Communication Manager V6.1 for my company.

We have 2 PABX, one is Cisco Unified CM V6.1, another is Alcatel R8 (or another PAPX owned) and between them, i established a sip trunk.

Now I want to do the call transfer (attended Transfer):

1. A(Alcatel side) established a communication with B(Cisco side)

2. B(cisco side) calls C(cisco side too) and C answers the call.

3. B(cisco side) transfers A (in alcatel side) to C and the communication is cut.

But if C doesn't answer the call from B, and B transfers A directely to C is Ok, which means blind Transfer is Ok.

2 cisco Telephones are 7942G. They communicates with CUCM on sccp.

Did you have the same problem and have you a solution? Thank you very much!!!

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