[asterisk-users] Tough time getting Polycom phones to register after router reboot

[Kevin Smith]

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

jdutt at softelinc.com 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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