[cisco-voip] Callmanager and Nortel

[Aman Chugh]

Thanks Ryan,

I will check the trace but I did not mention that I have two ccm clusters
one running 4.2 and other running 5, Issue does not occur with the phones
registered on 5 but only with 4.2 phones.


Aman

On Mon, Sep 8, 2008 at 10:58 PM, Ryan Ratliff <rratliff at cisco.com> wrote:

> CSCsc64303 shows it was fixed in 4.1(3)ES64 which was posted June 22 of
> 2006.   My best guess is that this fix did make it into 4.2.  There was also
> a slightly different description for that bug, where a call was up between a
> Cisco and Nortel phone and the Nortel phone transferred the call to a second
> Nortel phone.   It's not a big difference but it is different.
> You'd have to look at traces to see when the Nortel sends the updated RTP
> information (SIP SDP) and if CCM actually tells the phone of the new RTP
> destination or not.
>
>  -Ryan
>
>   On Sep 8, 2008, at 12:49 PM, Aman Chugh wrote:
>
>  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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