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2005 May 27
3
Polycom phones, UNREACHABLE
...ges are quite a ways apart, not just a few seconds. I have read the archives and found some clues that decreased the frequency of the problem, but have not eliminated it. My configuration for the phones in sip.conf is: defaultexpirey=3600 ; this is required by our VoIP provider rather than 120 [Polycom_1] username=Polycom1 secret=xxxx type=friend canreinvite=no ; specifically recommended in archives nat=yes ; phone is behind a NAT qualify=yes ; I suspected this might help... host=dynamic dtmfmode=rfc2833 context=internal disallow=all allow=ulaw In the sip.cfg file for the phone on it'...