[asterisk-users] Outgoing calls get dropped on high-latency connections.

[Ernie Dunbar]

Yes, these are our session-timer settings in sip.conf:

session-timers=originate
session-expires=600
session-minse=90
session-refresher=uas

Quoting Faisal Hanif <faisal at vopium.com>:

> Have you tried SIP session timer values in sip.conf
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Ernie Dunbar
> Sent: Tuesday, June 28, 2011 9:33 PM
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] Outgoing calls get dropped on high-latency
> connections.
>
> We're a VoIP provider essentially competing with our local incumbent Telco,
> and a sizeable number of our customers use satellite internet.
> As a result, these customers never have ping times less than 500ms, and are
> often exceeding 2500ms.
>
> I manually apply a "patch" to the Asterisk source code every time we upgrade
> Asterisk, described here:
> http://www.mail-archive.com/asterisk-users@lists.digium.com/msg178034.html
> This change allows our satellite customers to maintain their SIP connection
> for more than 5 minutes. But we're currently using Asterisk 1.6.2.17, and
> this version seems to have one very strange bug on these high latency
> connections. On outgoing and *only* outgoing calls, the call drops after two
> or three minutes. Incoming calls do not have this problem, so I don't think
> it's the SIP connection getting killed due to a slow INVITE response.
>
> Has anyone heard of this bug? Or should I submit a new bug report to the
> Asterisk project?
>
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