[asterisk-dev] Unable to register OPTIONS transaction (key exists)

[Joshua Colp]

Ross Beer wrote:
> Hi Joshua,
>
> I've started getting the same issue with registrations to a quiet test box:
>
>
>     [2016-02-14 10:20:12] WARNING[13927]: pjsip:0 <?>: sip_transactio
>     Unable to register REGISTER transaction (key exists)
>     -- Added contact 'sip:ENDPOINT@<IP ADDRESS>:8300' to AOR 'ENDPOINT'
>     with expiration of 60 seconds
>     Contact ENDPOINT/sip:ENDPOINT@<IP ADDRESS>:8300 has been created
>
> The phone is registering every 60 seconds and is doing so successfully
> without packet loss therefore the transaction should be closed as soon
> as the phone successfully registers. My question is therefore why does a
> transaction still exist?
>
> How can I help diagnose this issue?

Filing an issue[1] with the exact information so it can be hopefully 
reproduced and isolated, with either a fix or explanation. If you want 
to try to isolate it yourself you'd need to look into 
res_pjsip_registrar, follow the traffic, and get an idea of what is 
going on.

https://issues.asterisk.org/jira

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org