[OpenSIPS-Users] MediaProxy 2.3.10: T38 Fax using zoiper 2.14 for MAC

[Saúl Ibarra Corretgé]

Hi,

On 28/1/10 10:29 AM, Mike O'Connor wrote:
> Hi All
>
> I've been trying to get T38 faxing going and for testing I've been using
> the t38 client in zoiper and asterisk 1.6.
>
> The process is that the call goes to opensips which has a usr_pref which
> indicates this is a fax number, the call is then forwarded to Asterisk.
>
> Asterisk answers the call after letting it ring for a while, once
> answered it call fax_receive.
>
> Zioper then does a re-invite with the t38 headers at that time the
> mediaproxy report the error below.
>
> Does this look like an issue with my opensips configuration, a bug in
> mediaproxy or an issue with Zoiper ?
>

Could you provide a full SIP trace? Please do the trace on the server, 
using ngrep: ngrep -d any -W byline -T -P '' port 5060

We need to check how the SDP got updated to locate the bug.


Regards,

-- 
Saúl Ibarra Corretgé
AG Projects