[OpenSIPS-Users] iOS 10 Push Notifications

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Доброго времени суток.

Немного не ясна суть проблемы: а почему Ваш клиент пропускает входящий инвайт во время перерегистрации?
И какой транспорт используется? Если tcp то устанавливается ли сессия?

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Timofeev Dmitry
VoIP Engineer
Open source telephony solutions
Skype: itsroot
Linkedin: https://www.linkedin.com/in/itsroot

> On 01 Feb 2017, at 21:46, 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 <http://pastebin.com/tZmP320g>
> 
> Yours sincerely, 
> Andrei Zhuravlev
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> Users at lists.opensips.org
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