[Serusers] double INVITE in a single call

[Giudice, Salvatore]

Multiple aliases will fork the call in parallel.

-----Original Message-----
From: Jesus Rodriguez [mailto:jesusr at voztele.com] 
Sent: Monday, June 20, 2005 10:05 AM
To: Nerea Munguira
Cc: serusers at lists.iptel.org
Subject: Re: [Serusers] double INVITE in a single call

On Mon, 20 Jun 2005, Nerea Munguira wrote:

Hola Nerea,

> I have several calls that have two branches, one in one way and
another in 
> the other way, I mean, for the same call ID, user 1 calls user 2, and
also, 
> user 2 calls user 1.
>
> I wonder if this is normal, or if I have a something wrong. This only
occur 
> sometimes, so it isn?t a routing problem.
>
> I have this problem in different scenarios, so it has to do with ser 
> configuration, not with the user routing scheme. Also, I have this
problem 
> with calls between sip users or calls between sip user and PSTN.
>
> For the same call, I?ve got two logs:
>
> User 1 -> User 2 INVITE fromtag: id1 totag: id2 CALLID1
> User 2 -> User 1 INVITE fromtag: id2 totag: id1 CALLID1
>
> Where id1 and id2 are the same identifier.

What you see is possibly a re-INVITE because a codec or other SDP
parameter negotiation.

Saludos
JesusR.

-------------------------------
Jesus Rodriguez
VozTelecom Sistemas, S.L.
jesusr at voztele.com
http://www.voztele.com
Tel. 902360305
-------------------------------

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