On Wed, 11 Aug 2004, Olle E. Johansson wrote:
Dan Mahoney, System Admin wrote:
You start up the phones, they register, all is good. They show up in sip show peers like thus:Please explain what you mean with "becomes frozen".
danm/danm 65.125.237.91 D N 255.255.255.255 5060 OK (29 ms)
We pass a few calls in and out, and asterisk "deadlocks" (not a true deadlock, see below). The sip show peers list becomes frozen. One of two things will happen:
Inbound SIP calls don't connect. Asterisk's console responds, but hangs up on a "stop now" and never exits cleanly except with -9. Peers are held in a constant state of whatever-state-they-were-in (ip addresses, etc). Outbound calling has a 50/50 shot of working. If the phones were registered when this happens, they continue to be able to make outbound calls. If registration has failed as a result of this happening, they are unable to re-register.
1) I can power down the phone and it will still show status OKAY.
The OK in sip show peers is the result of the qualify= tests. We're sending
a SIP packet to the phone and gets a response. It happens with some frequency,
so Asterisk will not immediately see that the phone is off line. Turn on SIP
debug and wait for the next OPTIONS sent to the phone, you will propably see
a couple of retransmits before it becomes not OK.
I've waited an hour with the snom phone unplugged. This isn't "normal" behavior.
2) Or, the other thing I'm seeing is that the phones will forget to re-register. As in, they show up in sip show peers as status UNKNOWN, but under this non-deadlock'ed deadlock, they can still make outbound calls fine.Status UNKNOWN has nothing to do with registration. If the phone hasn't registred, you will not see an IP address to the phone in 'sip show peers'. Status UNKNOWN indicates that our SIP "pings" is not answered.
Do you have NAT between your phone and Asterisk? Seems so since you turn on qualify.
I turn on qualify even for phones on the local subnet, for exactly this reason. However, yes, some of these phones were behind nat. But not all of them. In fact the one I pasting above was on the same local subnet. No firewalls. (as stated previously).
-Dan Mahoney
--
"The first annual 5th of July party...have you been invited?" "It's a Jack Party." "Okay, so Long Island's been invited."
--Cali and Gushi, 6/23/02
--------Dan Mahoney-------- Techie, Sysadmin, WebGeek Gushi on efnet/undernet IRC ICQ: 13735144 AIM: LarpGM Site: http://www.gushi.org ---------------------------
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