[asterisk-users] Issues with call dropping

[Joshua Colp]

Nick Awesome wrote:
> Hi guys, have really annoying problem with trunks when I calling over voip provider..
>
>
> after awhile provider sends INFO packages but for some reason Asterisk doesn’t answer on it.
> after 8 packagers provider just drops the call, here is the package
>
> <--- Received SIP request (555 bytes) from UDP:192.168.53.1:5060 --->
> INFO sip:c2e74184-4d23-43a3-8fd9-26ba2c5ef6c9 at 192.168.53.9:5060 SIP/2.0
> Max-Forwards: 69
> To:<sip:4959810128 at 192.168.53.9>;tag=b3769af4-118b-4467-8c95-042247ff1776
> From:<sip:84957774888 at 192.168.53.1>;tag=3638518512-132845
> Call-ID: cfe34652-14c2-4072-9dea-f0b0c30cb15e
> CSeq: 2 INFO
> Allow: CANCEL, ACK, INVITE, BYE, OPTIONS, REGISTER, NOTIFY, INFO, REFER, SUBSCRIBE, PRACK, UPDATE, MESSAGE, PUBLISH
> Via: SIP/2.0/UDP 192.168.53.1:5060;branch=z9hG4bK8da58cede20b91eb54dec15ad27f866c
> Contact:<sip:84957774888 at 192.168.53.1:5060>
> Content-Length: 0

Looks like they are using INFO as a keepalive mechanism. Since we don't 
answer this it'd be a bug. File an issue on the issue tracker[1].

[1] 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