[asterisk-users] Force hangup not working on stuck channel

Matt Fredrickson creslin at digium.com
Fri Nov 4 14:07:31 CDT 2016

Also, it looks like in
https://issues.asterisk.org/jira/browse/ASTERISK-21762 there might be
a workaround (see the last comment at the bottom).

Matthew Fredrickson

On Fri, Nov 4, 2016 at 2:01 PM, Matt Fredrickson <creslin at digium.com> wrote:
> On Thu, Nov 3, 2016 at 11:16 AM, Carlos Chavez <cursor at telecomabmex.com> wrote:
>> I am unable to force a hangup on a channel that has been stuck for over two
>> days:
>> IAX2/from-CD-11006   oficina              2770                1 Up      Dial
>> IAX2/to-CD/2883           3467130007      46:24:59 Sotelo      Sotelo
>> IAX2/to-CD-20713
>> I have tried "hangup request IAX2/from-CD-11006" several times but no joy.
>> I also see the following in the CLI:
>> [Nov  3 10:05:54] WARNING[2879]: chan_iax2.c:4936 handle_call_token: Too
>> much delay in IAX2 calltoken timestamp from address X.X.X.X
>> This is an IAX2 trunk between two Asterisk 1.8 servers (I know it is old but
>> new client so haven't had time yet to upgrade to 13).  Because this channels
>> is stuck
>>  all other calls between servers are not working.  The only way I have found
>> to resolve the problem is to stop and restart Asterisk.  This is obviously a
>> great inconvinience so is there a way for force iax to unload even if there
>> are channels in use?  Or any other way to kill these stubborn channels?
> If doing a soft hangup on them doesn't work, the only other way I know
> to do it is to restart Asterisk.  Sorry about the bad news :-(
> There's a part of me that's curious as to why the channel is stuck,
> but there's another part of me that says "1.8... run away quickly".
> You could try to replicate it with a modern branch (i.e. 13/14) and
> see if it still exists.  At the very least that'd leave you the option
> of posting a bug on the issue tracker about it.  Also, a lot of bugs
> have been fixed since 1.8, so it's quite possible that this issue is
> resolved as well.
> --
> Matthew Fredrickson
> Digium, Inc. | Engineering Manager
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA

Matthew Fredrickson
Digium, Inc. | Engineering Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA

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