problems with PSTN gateway

Guillermo Lapresta <[email protected]> Thu, 9 Dec 2004 13:50:17 +0100
Newsgroups gmane.comp.lib.vovida.vocal
Message-ID <[email protected]>
Hi all,

First of all, sorry for my bad english :)

I use Vocal 1.5.0 under Debian Woody, and it work fine with calls
between SIP UA's, but problems arrive when interacting with a PSTN
Network. Let me explain:

- SIP to PSTN calls just work fine. I just added the PSTN gateway IP
in the GWMS and an ip plan rule redirecting the analog numbers to it
(^"sip:1.*" goes to "sip:$USER@pstn_gateway_ip;user=phone").

- PSTN to SIP does as follows (I surfed through the logs). Let's
imagine an analog number (164) calling a SIP UA (124). The data flow
is:
     - The analog call enters the gateway correctly.
     - It generates an invite to sip:124@(gwms ip):5065 (5065 is the
port where gwms is listening) from sip:164@(pstn gateway ip).
     - gwms receives the INVITE and  -ignoring any digital plan rule- 
resends it to himself (!!), that is, it generates an INVITE
To:124@(gwms ip):5065 From:124@(gwms ip):5065, causing a loop that
degenerates in a "Unacceptable Call" error. Instead, it SHOULD resend
the invite to sip:124@(gwua ip):5060, that is, the User Agent Marshall
where the user 124 is registered.

I tried with the CVS too, but the same problem occurs. And with VOCAL
1.4.0, i don't know why, I can't provision users with the java
interface, so I can't test it :-(

Any help will be HIGHLY appreciated :-)

Regards
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