[Freeswitch-users] Incoming call audio problem

[Brian West]

I can almost 100% say that sofia is sending an IP6 in the SDP to the  
Cisco.  Can you provide a sip trace for this?

/b

On Mar 13, 2008, at 9:12 AM, Josip Djuricic wrote:

> Hi there,
>
> I was already writing about this problem, and I still didn't managed  
> to
> fix it. I thought it was a NAT problem, but now without NAT the  
> problem
> still remains.
>
> The error is like this, when I call from pstn, the call goes trough
> Cisco AS5300, then goes to FS, then to it's final destination - Ip  
> Phone.
>
> Now you can answer the phone, but you can't hear anything on any side.
> And FS returns lots of SIP 415 (unsupported media type) to Cisco  
> AS5300.
>
> When you call from Voip phone to the same pstn number it all works  
> well,
> so I'm starting to be confused more and more. (and in this case  
> there is
> no 415 messages).
>
> I believe cisco is sending something that FS can't understand, in the
> INVITE's but that's just a wild guess cause I ain't sure what can FS
> exactly understand very well.
>
> Whoever want's I can send him a tcpdump, it's about 7mb tarred, so I
> can't send it to the list.
>
> Thank you all,
>
> Josip
>
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