[OpenSIPS-Users] kamailio / opensips configuration

[Zahid Mehmood]

Are your media gateways (or end points) configured for T38?  I had to
configure the Cisco media gateway to support T38.  

Have you looked at packet capture to see where it is failing?  

I was able to see a negative reply from the gateway when the fax server
tried to re-invite to negotiate T38.

-- 
Zahid


-----Original Message-----
From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of Frank
Sent: Tuesday, April 28, 2009 3:38 PM
To: users at lists.opensips.org
Subject: Re: [OpenSIPS-Users] kamailio / opensips configuration

Well, not really since it wont work ;)

I guess i need more tuning..

Also the reply of reinvite from upstream is rewriting the to and from
which
i need to mangle i guess

Thanks 

-----Original Message-----
From: users-bounces at lists.opensips.org
[mailto:users-bounces at lists.opensips.org] On Behalf Of Bogdan-Andrei
Iancu
Sent: April-28-09 7:51 AM
To: ContactTel Business
Cc: users at lists.opensips.org
Subject: Re: [OpenSIPS-Users] kamailio / opensips configuration

Hi,

There is no magic needed to make T38 working with opensips - T38 is a 
codec, so it is involving only the end parties and not the mid proxies. 
You just have to take care of correctly routing the sequential requests 
in the dialogs as FAX usage typically requires a re-INVITE for 
re-negotiating the codecs...

Other, even the default CFG script that comes with OpenSIPS shouls do 
the job.

Regards,
Bogdan

ContactTel Business wrote:
>
> Can anyone point me to a basic working T38 relay fax config ?
>
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> I would need to write the upstream domain Fu and Tu on the inbound 
> side ( mangling i think)
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>  
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> Basically clients reg to the kamailio/opensips and it relays to 1 of 2

> upstream t38 providers...
>
>  
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>  
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