Fwd: Re: [Serusers] PRACK in ser

Dana Turcanu dana_turcanu at yahoo.com
Mon Jun 27 13:49:43 CEST 2005



--- Dana Turcanu <dana_turcanu at yahoo.com> wrote:

> Date: Mon, 27 Jun 2005 01:57:00 -0700 (PDT)
> From: Dana Turcanu <dana_turcanu at yahoo.com>
> Subject: Re: [Serusers] PRACK in ser
> To: harry gaillac <gaillacharry at yahoo.fr>
> 
> 
> 
>  Hello,
> 
> > Hello,
> > 
> > Look at my ethereal file
> > 
>    In your file the PRACK reach the calling party
> and
> it respond with 200 OK.
> 
>    In my case,the PRACK never reach the calling
> party
> and the server is returning 400 error. 
> 
>    Is this error returned  because the request from
> tha Cisco ATA 186 is malformed??
> 
>    Can some one give me a log of a call between tow
> Cisco ATA 186 ( version 3.2 - with PRACK method)
> passing through a SIP Proxy? 
> 
> 
> 
> > --- Dana Turcanu <dana_turcanu at yahoo.com> a écrit
> :
> > 
> > >   Hello,
> > > 
> > > --- Andreas Granig <andreas.granig at inode.info>
> > > wrote:
> > > 
> > > > Dana Turcanu wrote:
> > > > >    Is PRACK method supported in ser? When an
> > > > equipment
> > > > > sends a PRACK the server responds with "400
> > Bad
> > > > > Request" and the call is disconnected.
> > > > 
> > > > Are you sure the "400" comes from SER and not
> > from
> > > > the other endpoint? 
> > > > Do you allow routing of PRACKs in your
> > SER-Config?
> > > > 
> > > 
> > >    I logged the call from the tow Cisco ATA 186.
> > The
> > > calling ata is sending PRACK and the answer is
> > > comming
> > > from the server:
> > > 
> > > 
> > > 050620|11:48:29 [0:0]Tx Msg to
> ip_sip_server:5060
> > > 050620|11:48:29
> > > 050620|11:48:29 PRACK
> > > sip:0332yyyy at domain.com;user=phone SIP/2.0
> > > 050620|11:48:29 Via: SIP/2.0/UDP
> > > ip_ata_1:5060;branch=z9hG4bK2b0f7845ea7a8edb
> > > 050620|11:48:29 From:
> > >
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> > > 050620|11:48:29 To:
> > >
> <sip:0332yyyy at domain.com;user=phone>;tag=811613285
> > > 050620|11:48:29 Call-ID: 2133411222 at ip_ata_1
> > > 050620|11:48:29 CSeq: 3 PRACK
> > > 050620|11:48:29 RAck: 1 2 INVITE
> > > 050620|11:48:29 User-Agent: Cisco ATA 186 
> v3.2.0
> > > atasip (041111A)
> > > 
> > > 
> > > 
> > > 
> > > 050620|11:48:29 [0]Rx Msg from
> ip_sip_server:5060
> > > 050620|11:48:29
> > > 050620|11:48:29 SIP/2.0 400 Bad request
> > > 050620|11:48:29 Via: SIP/2.0/UDP
> > >
> >
>
ip_ata_1:5060;branch=z9hG4bK2b0f7845ea7a8edb;rport=5060;received=ip_ata_1_nat
> > > 050620|11:48:29 From:
> > >
> <sip:332xxxx at domain.com;user=phone>;tag=2064987569
> > > 050620|11:48:29 To:
> > >
> <sip:0332yyyy at domain.com;user=phone>;tag=811613285
> > > 050620|11:48:29 Call-ID: 2133411222 at ip_ata_1
> > > 050620|11:48:29 CSeq: 3 PRACK
> > > 
> > > 
> > > In the log from the called ATA there is no PRACK
> > or
> > > 400 error.
> > >   Can you tell me what do I have to change in
> ser
> > > configuration in order to allow routing of
> PRACKs?
> > > 
> > >  Thanks.
> > > 
> > >
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> > 
> > 
> > 	
> > 
> > 	
> > 		
> >
>
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