asterisk users - Feb 2009 - Asterisk 1.4.21.1 intermittent presence working with Polycom

Hi All,

I upgraded a PBX from 1.2. to 1.4.21.1 and I'm noticing that the hints for
SIP channels are not updating the phones 100% of the time.  The hints seem
to work for some time, then the notification on the phone will hang in
either and on or off state.  During this condition, on the PBX, >core show
hints, indicates the correct presence state for the SIP channel.  Also if
multiple phones are monitoring the same SIP channel, the presence
notification on some phones still work fine, but may hang on one or two
phones.  We have to reboot the phone for the presence to start working
again.

We are using the same firmware on the phone that worked fine with the
Asterisk 1.2 code, Polycom 650 with 2.1.1.  So I'm guessing there is
something particular with this version of Asterisk.  Any guidance will be
appreciated.

Thanks.

JR
-- 
JR Richardson
Engineering for the Masses
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