Asterisk with Polycom VoIP Phones: Daylight Savings Time Correction in sip.conf

Posted on October 29th, 2007 by Dennis Little

I came in to the office this morning to find all of our Polycom VoIP phones had the wrong time. Although the Asterisk server had been patched for the new daylight savings time  (DST) rules, my sip.conf file had some incorrect configuration. I searched around the net and found a solution. Change your sip.conf file to match the following:

tcpIpApp.sntp.daylightSavings.enable=”1″
tcpIpApp.sntp.daylightSavings.fixedDayEnable=”0″
tcpIpApp.sntp.daylightSavings.start.month=”3”
tcpIpApp.sntp.daylightSavings.start.date=”8”
tcpIpApp.sntp.daylightSavings.start.time=”2″
tcpIpApp.sntp.daylightSavings.start.dayOfWeek=”1″
tcpIpApp.sntp.daylightSavings.start.dayOfWeek.lastInMonth=”0″
tcpIpApp.sntp.daylightSavings.stop.month=”11”
tcpIpApp.sntp.daylightSavings.stop.date=”1″
tcpIpApp.sntp.daylightSavings.stop.time=”2″
tcpIpApp.sntp.daylightSavings.stop.dayOfWeek=”1″
tcpIpApp.sntp.daylightSavings.stop.dayOfWeek.lastInMonth=”0“

Filed under: Asterisk / Trixbox / Telephony, Linux, Technology

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