[Serusers] onreply_route and stopping 183 messages

[Richard]

If it gets 183 first, then the CPE probably wants the early media. Can you
have the gateway stop sending 183?

Richard


> -----Original Message-----
> From: Simon Miles [mailto:simon at SystemsRM.co.uk]
> Sent: Wednesday, January 26, 2005 9:27 AM
> To: 'Richard'; marian.dumitru at voice-sistem.ro
> Cc: serusers at lists.iptel.org
> Subject: RE: [Serusers] onreply_route and stopping 183 messages
> 
> That's my problem, the gateway does send the 180 after the 183 but still
> the CPE does not generate the ringtone. I was wondering if the 183 was
> upsetting the CPE and so trying to remove it.
> 
> Simon
> 
> -----Original Message-----
> From: Richard [mailto:richard at o-matrix.org]
> Sent: 26 January 2005 19:17
> To: 'Simon Miles'; marian.dumitru at voice-sistem.ro
> Cc: serusers at lists.iptel.org
> Subject: RE: [Serusers] onreply_route and stopping 183 messages
> 
> 
> I ran into the same problem before. The quick fix is to let gateway send
> 180 instead of 183. It would allow the ip phones to generate local
> ringback tone.
> 
> Richard
> 
> 
> > -----Original Message-----
> > From: serusers-bounces at iptel.org [mailto:serusers-bounces at lists.iptel.org]
> > On Behalf Of Simon Miles
> > Sent: Wednesday, January 26, 2005 8:46 AM
> > To: marian.dumitru at voice-sistem.ro
> > Cc: serusers at lists.iptel.org
> > Subject: RE: [Serusers] onreply_route and stopping 183 messages
> >
> > Yes the call is established at the end.
> >
> > In the 183 message there is no media information, so I'm guessing that
> 
> > the gateway is not sending out an RTP stream and the CPE is not
> > reacting to the ringing message ! !
> >
> > Strange how it all works with a different gateway ! ! I do know that
> > the CPE is working to RFC 2543 and the new gateway is RFC 3261 - but
> > I'm told they are backward compatible.
> >
> >
> > Simon
> >
> > -----Original Message-----
> > From: Marian Dumitru [mailto:marian.dumitru at voice-sistem.ro]
> > Sent: 26 January 2005 18:27
> > To: Simon Miles
> > Cc: serusers at lists.iptel.org
> > Subject: Re: [Serusers] onreply_route and stopping 183 messages
> >
> >
> > Hi Simon,
> >
> > Simon Miles wrote:
> > > We have a problem with a piece of CPE after changing the PSTN
> > > gateway manufacturer. We no longer get a ringing tone !
> >
> > but at the end, it the call established? It's only about the missing
> > ringing tone?
> >
> > > So I was trying to emulate the original packet sequence and I
> > > noticed that the new gateway sends out 183 messages. So I was trying
> 
> > > to remove
> >
> > > them just incase the CPE was getting confused.
> >
> > 183 reply is used by gateways to send early media. In this case the
> > ringing tone is actually send as RTP stream by the gateway (usually
> > SIP devices play ringing tone locally when 180 received). Maybe your
> > problem
> >
> > is that the RTP media from 183 (check the SDP body) is not correct or
> > the media itself doesn't contain the ringing sound :-).
> >
> >
> > regards,
> > Marian
> >
> > >
> > >
> > > Simon
> > >
> > > -----Original Message-----
> > > From: serusers-bounces at iptel.org [mailto:serusers-bounces at lists.iptel.org]
> > > On Behalf Of Marian Dumitru
> > > Sent: 26 January 2005 17:56
> > > To: Simon Miles
> > > Cc: serusers at lists.iptel.org
> > > Subject: Re: [Serusers] onreply_route and stopping 183 messages
> > >
> > >
> > > Hi Simon,
> > >
> > > Currently there is no way to drop a reply from onreply_route. Is
> > > this really needed, no other way around?...maybe altering the
> > > reply... ?
> > >
> > > Regards,
> > > Marian
> > >
> > > Simon Miles wrote:
> > >
> > >>I would like to stop 183 Session Progress messages. I can see then
> > >>arriving and being dealt with by the onreply_route code, but how can
> 
> > >>I
> > >
> > >
> > >>stop then being forwarded by the sip server ?
> > >>
> > >>Thanks
> > >>
> > >>
> > >>Simon
> > >>
> > >>
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