[Asterisk-Users] SIP on TCP

[Steven Critchfield]

On Wed, 2003-09-03 at 15:26, Master Abi wrote:
> JT,
> 
> We use 2 providers iPCB.NET and NTT (backup) and both require signalling
> on TCP only. Interestingly, I find this to be the norm amongst Cisco
> powered providers. 
> 
> As * marches on to the #1 telco product and SIP to the #1 protocol of
> choice, "protocol=[tcp,udp,auto]" feature is a good idea in sip.conf. I
> will add it as a feature.

If asterisk moves up to #1 telco product, SIP will be #2 signalling
product as everyone tools up for IAX. Why have the problems of SIP and
NAT when IAX deals with it better?

> -----Original Message-----
> From: asterisk-users-admin at lists.digium.com
> [mailto:asterisk-users-admin at lists.digium.com] On Behalf Of John Todd
> Sent: Thursday, 4 September 2003 3:54 AM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] SIP on TCP
> 
> 
> >Hi
> >
> >I read through the archives but could not find much reference to *
> >using SIP on TCP instead of UDP for signalling. Can * be 
> >configured and if so how. My service provider will only accept SIP 
> >signalling on TCP.
> >
> >Thanks
> >
> >Master
> 
> Out of curiosity, what SIP provider is that?  I've never seen any SIP 
> providers that even support SIP over TCP, much less mandate it.
> 
> If that is required, maybe a "protocol=[tcp,udp,auto]" feature is a 
> good idea in sip.conf.
> 
> JT
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-- 
Steven Critchfield  <critch at basesys.com>