[asterisk-users] Polycom phones and DNS SRV

CunningPike cunningpike at gmail.com
Thu Sep 18 15:51:53 CDT 2008


Just in case anyone is having DNS SRV timeouts with their Polycom
phones, the following Polycom KB article should help:

http://knowledgebase.polycom.com/kb/search.do?cmd=displayKC&docType=kc&externalId=12856&sliceId=SAL_PUBLIC_1_2&dialogID=7620671&stateId=1

We have set tcpIpApp.port.rtp.mediaPortRangeStart to 65000. Based on our
experience and the fact that the phone's DNS resolver starts over from
port 1026 on a reboot and increments from there, this should give us
about a year before the ports overlap again, in the unlikely event that
the phones won't get rebooted in the meantime. YMMV.

CP




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