Thursday, April 19, 2007
Polycom Presence and SIP 500 errors
I finally got someone at Polycom support that knew what they were talking about and were very helpful. I have been getting a lot of these errors from the Polycoms on my asterisk servers Incoming call: Got SIP response 500 "Internal Server Error" back from 192.168.0.100
The problem was the transport was set to "DNSnaptr" by default. So if you set it to "TCPpreferred" it should fix any issues you are having with presence and also any sip 500 errors.
EDIT*
I am still getting sip 500 errors if I restart asterisk and not the polycom phones. On a side note for asterisk 1.4 make sure call-limit is set to something. I set it to 8.
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2 comments:
We have an asterisk server and a bunch of Polycom IP650s. Everything is fine until I connect my X-lite softphone. After that I notice those messages:
-- Incoming call: Got SIP response 500 "Internal Server Error" back from 192.168.x.x
They are coming from all of the Polycoms!
After disconnecting the x-lite softphone, the messsages go away after a while.
Actually... it happens just after restarting Asterisk.. think the x-lite issue is a red-herring.
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