This was discussed on the list not long ago. Essentially it's a FreeSWITCH session timeout because the phone isn't sending any media to FreeSWITCH. AFAIK it doesn't affect any calling.
Josh Patten Brazos County Network Engineer 979.361.4676 From: [email protected] [mailto:[email protected]] On Behalf Of Michael Scheidell Sent: Tuesday, April 12, 2011 10:06 AM To: [email protected] users Subject: [sipx-users] moh for only 5 mins? I know there are/were some things that firewalls, and/or itsp's do at (almost ) exactly 600 seconds. I am trying to track down why a held call will lost moh at exactly 600 seconds. dialing out of a 4.20 system, using level3 els trunks (separate sip signaling and media servers), using internal sipx bridge. phone is polycom 650, fw 3.13. i make an outbound call to my cell, and put it on hold, set mute buttons, listen to my nice moh. 600 second later, abruptly, no moh. and if I take call off of hold, I get two way audio. I do see sipx sending another invite to the itsp, and they send sdp: 200 ok, ack it, then sipx sends another invite, and I see several more sdp 200ok's from them along with another invite. yes, I can do packet traces. any ideas till then? -- Michael Scheidell, CTO o: 561-999-5000 d: 561-948-2259 ISN: 1259*1300 > | SECNAP Network Security Corporation * Best Intrusion Prevention Product, Networks Product Guide * Certified SNORT Integrator * Hot Company Award, World Executive Alliance * Best in Email Security, 2010 Network Products Guide * King of Spam Filters, SC Magazine ________________________________ This email has been scanned and certified safe by SpammerTrap(r). For Information please see http://www.secnap.com/products/spammertrap/ ________________________________
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