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Re: [Linphone-users] iPhone 5 does not receive incoming calls when the p

From: BIENKOWSKI Guillaume
Subject: Re: [Linphone-users] iPhone 5 does not receive incoming calls when the phone is on 'sleep' mode
Date: Fri, 18 Apr 2014 09:25:26 +0200


This is probably due to you not using a linphone account AND using UDP for your connection to the SIP server.
The push notifications are only supported for registrations, because only us have the authorization (apple-issued certificates) to send push to the iOS app. So any external SIP server won't be able to use the push.
Also, the UDP socket is killed as soon as the device puts the app in background, so you can't receive any call. This is a limitation of iOS.

The optimal settings would be to use a TCP or TLS socket to connect to your SIP provider .
Also, I strongly advise you not to kill the application manually (in the iOS task manager). This prevents the app from restarting to refresh its VOIP socket.

So, TL;DR:
- enable background mode and autoboot
- switch to TCP or TLS
- you can disable push if you're not using
- don't manually kill your app



On Thu, Apr 17, 2014 at 8:37 PM, Mano Chandra Dhas <address@hidden> wrote:
I set up the latest version of LinPhone on my iPhone 5.  While I am able to make outgoing calls without a problem, I find that I cannot receive call if the IPhone is one sleep mode.  Your 'Push' option does not seem to work.  When I look at my 'Dashboard' on the CallCentric Website (SIP Provider), I notice that my iPhone is not registered when it is on sleep mode.

I will greatly appreciate your assistance to resolve the issue.



Mano Chandra Dhas

Gerente General

Tel: +571 476 0980

Cel. +57 320 492 5300

EMail: address@hidden

Carrera 8A No. 151-71, Apto 303, Torres de Cedro Plaza, Bogotá DC, Colombia 

Skype Mano Chandra Dhas Twitter LinkedIn Facebook 

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