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 <[email protected]>:

Have you tried SIP session timer values in sip.conf

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Ernie Dunbar
Sent: Tuesday, June 28, 2011 9:33 PM
To: [email protected]
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/[email protected]/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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