Set session-timers=refuse in sip.conf and do a sip reload. We had this problem with a handful of devices and this ultimately stopped the issue.
Thanks, Derek B. -----Original Message----- From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Jamie Stapleton Sent: Tuesday, August 02, 2016 10:52 PM To: Asterisk Users Mailing List - Non-Commercial Discussion <asterisk-users@lists.digium.com> Subject: Re: [asterisk-users] Calls are dropped after 15 minutes SIP re-invite (http://www.voip-info.org/wiki/view/SIP+method+invite+re-invite) may be an issue as well. -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users