Re: [Linphone-users] Linphone on iOS does not ring anymore reliably - push notification not working

[Martin Glaser]

Hello Germán and all,

please find attached screenshots of Linphone's configuration on my iPhone.

I have not tried with another iOS device or another ID (I have none).

Yes, I use a linphone.org account.

Best Regards

 Martin


On 26.09.21 20:08, German Cancio wrote:
> Martin,
>
> Yes, it really looks as if the push notification has problems to be received by 
> the device and/or propagated to the app. But I’m not sure that’s the client 
> app’s fault. I have no issues receiving push notifications using my 
> Linphone.org account on iOS (running Linphone 4.5.0). Have you tried with 
> another iOS device and/or another user ID? To what SIP server are you 
> connecting, are you using a linphone.org account? (Neither the call-ID format 
> nor the from-URI look like the usual Linphone.org ones, but I might be wrong).
>
> Cheers, Germán
>
>
> > On 26 Sep 2021, at 14:10, Martin Glaser <feed1332@wolke7.net> wrote:
> >
> > Hello Germán,
> >
> > right, so I did following test:
> >
> > 13:04 started logging, changed to iPhone launcher, let iPhone switch display 
> > off (standby)
> > 13:14 called from my other mobile phone - iPhone did not ring - ended the call 
> > after about 15 seconds
> > 13:16 activated iPhone (display, launcher)
> > 13:17 switched to Linphone - I see the start screen - then I see Calling screen 
> > - then I select Dismiss - then I go to Settings/Advanced and Send Log
> >
> > Attached is the full log file, I replaced references to my telephone number and my 
> > Linphone account by >...<.
> >
> > Essential seems to be
> >
> > 2021-09-26 13:14:25:290 [linphone/ios] MESSAGE (honeAppDelegate.m:171 ) 
> > Connecting for UNNotifications
> > 2021-09-26 13:14:25:357 [linphone/ios] MESSAGE (UICompositeView.m:135 ) 
> > landscape get opposite: {568, 320}
> > 2021-09-26 13:14:25:381 [linphone/ios] ERROR (UICompositeView.m:256 ) 
> > Exception: Linphone core not initialized yet, ignoring
> >
> > Notification is then received late here:
> >
> > 2021-09-26 13:17:12:525 [linphone/liblinphone] MESSAGE [PushKit] Notification 
> > [0x2814e9580] received with payload : {
> >     aps =     {
> >         "call-id" = "4e050a6c1953f83b2b5c63f169f4b4be@188.246.0.83:5060";
> >         "loc-args" =         (
> >             ">...<"
> >         );
> >         "loc-key" = "IC_MSG";
> >         "send-time" = "2021-09-26 11:14:24";
> >         sound = "";
> >         uuid = "<urn:uuid:2fe7ca81-5ab1-004a-9309-270b77e58bc6>";
> >     };
> >     customPayload =     {
> >     };
> >     "display-name" = ">...<";
> >     "from-uri" = "sip:>...<@188.246.0.83";
> >     "pn_ttl" = 50;
> > }
> >
> > And there is no INVITE message.
> >
> > My iPhone is on mobile network only. Wi-Fi is off. Airplane Mode is off. Mobile 
> > Data is on, Options set to Data Roaming off, Voice&Data LTE, VoLTE on, Low Data 
> > Mode is off.
> >
> > Best Regards
> >
> > Martin
> >
> >
> > On 19.09.21 19:05, German Cancio wrote:
> > > Martin,
> > >
> > > I’d suggest you enable debug logs on the app and then check the log file for 
> > > entries such as the following:
> > >
> > > *2021-09-16 08:28:48:232* [Linphone/iOS] MESSAGE (honeAppDelegate.m:560 ) 
> > > [PushKit] Notification [0x280734480] received with payload : {
> > >      aps =     {
> > >          "call-id" = "*be5d70c3-396a-47cb-a10e-1aea69860afd*";
> > > (…)
> > >         "loc-key" = "IC_MSG";
> > >          uuid = "<urn:uuid: bbb157d2-f5c0-005b-8302-442a615003ed>";
> > >      };
> > > }
> > >
> > > And also
> > >
> > > *2021-09-16 08:28:48:633* [Linphone/belle-sip] MESSAGE channel [0x103e00000]: 
> > > received [2253] new bytes from [TLS://sip.linphone.org:5061]: 
> > > <TLS://sip.linphone.org:5061]:>
> > > INVITE sip:foobar@194.12.139.75:49929;transport=tls 
> > > <sip:foobar@194.12.139.75:49929;transport=tls> SIP/2.0
> > > (…)
> > > Call-ID: *be5d70c3-396a-47cb-a10e-1aea69860afd*
> > >
> > > The first log entry gives you the timestamp of when the push notification was 
> > > received, the second one the timestamp of the SIP INVITE for the same call-ID.
> > >
> > > Do you have this problem when on multiple mobile and Wifi networks? On some 
> > > Wifi networks, iOS devices may be put to sleep which can cause push 
> > > notifications to arrive (too) late.
> > >
> > > Cheers Germán
> > >
> > >
> > >
> > > > On 19 Sep 2021, at 14:16, Martin Glaser <feed1332@wolke7.net 
> > > > <mailto:feed1332@wolke7.net>> wrote:
> > > >
> > > > Hi,
> > > > since a couple of weeks the Linphone App installed on my iPhone does not ring 
> > > > anymore when I receive a call as soon as the App is in the background or the 
> > > > phone is in standby.
> > > >
> > > > Push Notification is activated and I use Linphone's VoIP server.
> > > >
> > > > I have Linphone in use since 2017 and it was all the time ringing very 
> > > > realiably.
> > > >
> > > > Before the issue started, I updated Linphone from version 4.4.1 to version 
> > > > 4.5.0. The reason why I did this update was that I received before a call while 
> > > > the battery was low enough to make the iPhone switch off while the phone was 
> > > > ringing and after that all the configuration of Linphone was gone. So I thought 
> > > > when I need to redo now all the configuration, I do the update before.
> > > > In May I did the update to version 4.4.1 and in this time I had to delete the 
> > > > Linphone App and re-install it, because the new version just crashed after the 
> > > > normal update (probably because of an incompatible configuration setting or 
> > > > something). After the re-install and re-configuration it worked allright again. 
> > > > So I thought, maybe there will be again a configuration problem after the 
> > > > upgrade to 4.5.0 and I did the update right away as I had to redo the 
> > > > configuration anyhow.
> > > >
> > > > Does 4.5.0 have a bug that prevents the reliable ringing? Are there known 
> > > > problems with Apple's Notification system?
> > > >
> > > > When I updated to Linphone 4.5.0 I still had iOS 14.3 on my iPhone. I upgraded 
> > > > meanwhile to iOS 14.7.1 but that did not improve the situation.
> > > >
> > > > I tried various settings for Notifications but nothing helped.
> > > >
> > > > Linphone 4.5.0 behaves in so far different to older versions as I recognize 
> > > > that it seems to stop running quite soon after it was put in the background. I 
> > > > recognize this, because Linphone shows me now nearly always the start screen 
> > > > when I pull Linphone back in the foreground. Before using 4.5.0 it was normally 
> > > > so the just the last selected Linphone screen (usually the dialpad) was shown 
> > > > again and the registration was redone.
> > > >
> > > > The other interesting thing I recognized is, that when I receive a call and 
> > > > Linphone is not ringing and I open Linphone later (maybe a few minutes or even 
> > > > a few hours - I can see how much later, because the call will be picked up by 
> > > > an answering machine and I see when people actually called), then Linphone 
> > > > suddenly signals a call and rings. It is as if the Notification is stuck 
> > > > somewhere and once when I open Linphone it is delivered. When I take the call, 
> > > > for sure nothing helpful happens. I usually just cancel the call. But even then 
> > > > Linphone seems to be a little disrupted and needs a force-restart. When there 
> > > > were multiple calls with Linphone not ringing and I open Linphone later, the 
> > > > Linphone signals multiple calls that I have to cancel individually.
> > > >
> > > > I saw on github that other users have opened already issues for similar 
> > > > problems. It seems nothing is happening there?
> > > > I tried the workaround provided in 
> > > > https://github.com/BelledonneCommunications/linphone-iphone/issues/772 
> > > > <https://github.com/BelledonneCommunications/linphone-iphone/issues/772> but 
> > > > the change of the account password did not help in my case.
> > > >
> > > > If I can provide any logs or information that helps to fix the problem, I will 
> > > > happily do, but please guide me in detail what you want me to do.
> > > >
> > > > I will be very grateful for any help on this as I am considerably handicapped 
> > > > with the current situation that Linphone does practically never ring when I 
> > > > receive a call. Linphone on my iPhone is the only phone I have. I stopped years 
> > > > ago to have another fixed-line phone in parallel, because Linphone was so 
> > > > reliable.
> > > >
> > > > Best Regards
> > > >
> > > > Martin Glaser
> > <linphone.log.gz>

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