[Freeswitch-users] SRV and sip timers

Vallimamod Abdullah vma at vallimamod.org
Tue Nov 7 14:32:42 UTC 2017


That's correct but it's not a real issue as timer-T1X64 is the sip timer B which is the max delay to wait for a provisional reply to an invite. It defaults to 32s but you can set to your max acceptable value before failover. 
You can alternatively set the T1 timer to the max roundtrip time with your provider. The rfc default is 500ms, wich is really huge.

Best Regards,
-- 
Vallimamod Abdullah
SIP Solutions
vma at sipsolutions.fr
.

> On 6 Nov 2017, at 22:08, Daniel Greenwald <dig1234 at gmail.com> wrote:
> 
> Right but then I'm stuck with a 1 second sip timer for the rest of the call, yes?
> 
> On Tue, Oct 31, 2017 at 11:23 AM, Vallimamod Abdullah <vma at vallimamod.org <mailto:vma at vallimamod.org>> wrote:
> Hi,
> 
> You can override the default timers with timer-T1 and timer-T1X64 profile params. You can set the last one to 1000 to reduce the failover to 1s for example.
> 
> Best Regards,
> --
> Vallimamod Abdullah
> SIP Solutions
> vma at sipsolutions.fr <mailto:vma at sipsolutions.fr>
> .
> 
> > On 27 Oct 2017, at 16:03, Daniel Greenwald <dgreenwald at gmail.com <mailto:dgreenwald at gmail.com>> wrote:
> >
> > When the preferred server in an SRV record is down. FS waits a full 30 seconds before trying the next lower priority server. Each subsequent call also delays 30 seconds. Any tricks to speed up the failover?
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