[OpenSIPS-Users] iOS 10 Push Notifications

[Aron Podrigal]

you can certainly handle this in a t_on_failure for a 408...

On Thu, Feb 2, 2017, 3:38 PM Adrian Georgescu <ag at ag-projects.com> wrote:

There is more plumbing needed to replay transactions later and the future
OpenSIPS version announced recently will help make this happen.

You are not alone fighting with this problem.

Regards,
Adrian


On 1 Feb 2017, at 19:46, Андрей Журавлёв <andrei.zhuravlev at m-st.ru> wrote:

Hi All,

I am pretty new with SIP and OpenSIPS. I have problem that affect most of
the people who should support mobile clients for iOS 10. There must be a
way to solve it, but it looks like I missed it. So I need your help.

Background: As you probably already know in iOS 10 Apple prevented network
connections in background mode. It mostly affected VoIP apps. In order to
solve this issue they introduced so-called VoIP Push notifications (via
PushKit) which should automatically wake-up application and allow it to do
a registration and receive a call.

Btw, the only thing I found capable to send VoIP push notifications without
issus is ruby gem/binary called Houston.

Now everything works fine, except one issue actually, when application
wakes up and do a registration, it obviously missed initial INVITE message
for a call, and it looks like server do not retry invites if no provisional
messages returned from a client.

So the question is it possible to tell OpenSIPS server to re-send INVITE
messages (by some timer probably) if no provisional information received
from a client.

I know there is fr_timer and fr_inv_timer params from tm module, but it
looks like they did not do the trick.

Actually, I have almost default config file, except the parts, required for
push notifications.
I've posted it here: http://pastebin.com/tZmP320g

Yours sincerely,
Andrei Zhuravlev
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