[cisco-voip] Callmanager and Nortel

[Aman Chugh]

Ok, I am little confused as per the interoperability portal ,It mentions
that call transfers work between Nortel CS1K running release 4 and CM 4.1 .

Then I found CSCsc64303 which says call transfer results in No audio and is
fixed in CM 5. If Cisco guys can verify that I am hitting this it would
help.

Aman

On Mon, Sep 8, 2008 at 9:56 PM, Aman Chugh <aman.chugh at gmail.com> wrote:

>
> I have integration between Nortel CS 1000 running release 5 and CallManager
> 4.2 sr4 , I am able to make calls between Nortel and Cisco Ip phones.  The
> issue occurs when ever a call between two nortel phones is transferred to a
> cisco IP phone over the SIP trunk , I have no audio between Cisco and
> Nortel. I am using G711 codec over the SIP trunk. The Cisco IP Phone rings
> and the call is established but have no audio either side. I can see the SIP
> invite message and ACK messages in the CCM trace but not sure what I am
> missing here.
>
> TIA
>
> Aman
>
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