If you turn verbose on under the remote console for asterisk does it show any information that phones are trying to register or anything for that matter? Another thing you may want to verify is that the phones are communicating with the server if you aren't seeing anything on verbose. I am assuming the phones have real IPs since you have nat=no. Try using tcpdump from the asterisk server and see if you are seeing anything from one of the phones in question.

Kevin

[EMAIL PROTECTED] wrote:
Strange situation: Had a router issue. After router re-booted most of my
Polycom SIP phones re-registered, but some did not. I still cannot get the
ones that did not register, to register. All phones are Polycom SIP phones
(either 301 or 501). The ones that register show "Useragent :
PolycomSoundPointIP.... 1.6.5.0043 whereas the ones that did not register
show "Useragent : <blank>", when I do CLI> sip show peer <4-digit
extebsion number>. What is going on with these Polycoms? All phones were
registering fine and working for many weeks with no issues. I had the
customer check pbx server settings and reboot phones. All sip.conf seting
for all phones are equal, nothing is behind nat. I am using asterisk
realtime with sigman:

nat=no
port=5060
host=dynamic
qualify=no
etc.

Above are equivalent to all sip.conf entries for all extensions, and were
working for a long time; now some have dropped off registration and are
not coming back. Using * 1.2.9 realtime. Anything else I can chedk or do?
Thanks.

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