[asterisk-users] WirelessIP5000 SIP registration problem

[Martin]

I have a similar problem with UT Starcom F1000g, after a while it loses registration, sip show peers says its IP address is unknown. But the phone still says it's registered, I can still see SIP packets and I'm able to make a call from this phone. But if i try to call back, it dies with "Unable to create channel of type 'sip' (CAUSE 3 - no route to destination)"
This phone is known to give up if registration is not succesful after a certain period, I believe its a bug in firmware but manufacturer don't...
Martin

  ----- Original Message ----- 
  From: Jim Meehan 
  To: asterisk-users at lists.digium.com 
  Sent: 7. brezna 2008 11:10
  Subject: [asterisk-users] WirelessIP5000 SIP registration problem


  I have a Hitachi WirelessIP5000 phone (the original 1st gen hardware).  It's running the latest firmware (v2.2.6) and my Asterisk server is running 1.2.10.  This setup has been working great for me for a long time, and then last week I started having a problem where the Hitachi phone loses registration.  It registers fine when I first power it on, but at some point later the display shows "Not Register" and the phone never attempts to re-register after that.  The length of time depends on the expire setting.  If I press the "Register" soft key on the phone, it re-registers fine, only to lose registration again later on.  I have not made any config changes to the phone.  I have made some extensions.conf changes on the Asterisk server, but I can't think of any way that would cause this problem.

  I did look at a packet trace of the SIP communication between the phone and server.  SIP registration expire is set to 60 seconds.  When the phone first powers up, it sends a SIP REGISTER without an "Authorization:" header.  The Asterisk server replies with "401 Unauthorized."  The phone immediately sends another REGISTER with the "Authorization:" header included and succeeds.  At 30 seconds after power up, the phone sends another REGISTER without "Authorization:" and gets "401 Unauthorized" and then immediately retries, again without the "Authorization:" header.  At 60 seconds after power up, the phone's display changes to "Not Register" and it never tries to register again unless I press the "Register" key or power cycle the phone.

  Anyone have any idea what could be going on here?  I have tried downgrading the phone's firmware to v2.1.11 and had the same problem.  I have not tried upgrading to a newer version of Asterisk, but seems like that shouldn't be necessary since thing were working fine before.

  Any help appreciated.
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