Hi Jan,

we had similar issues with Linphone Android. Linphone would wakeup on the first 
push and only on the second push the phone would ring. If I recall correctly 
the Linphone wake up routines contained some bugs.

Cheers

Gerry


> On 25 Sep 2020, at 11:53, Jan Rozhon <[email protected]> wrote:
> 
> Yes, sure. Linphone sends registration, I detect it in kamailio and call 
> t_continue which results in INVITE going to Linphone. The thing is, although 
> iPhone get awake and linphone is open to the foreground it does not accept 
> the call based on the user action in the "swipe/accept/reject" menu coming 
> from the push notification. Nor it allows me to directly  accept the call, it 
> just puts it in wait and I need to "click" through the menus to accept it. 
> This is not intuitive and definitely not user-friendly.
> 
> There seems to be another glitch as well. When I click my way to accepting 
> the call, there is no audio although SDP is perfectly fine (same as when the 
> iPhone is unlocked and linphone running). This leads me to an idea that 
> linphone need some sort od ID for the call in the push notification. But I 
> have no clue what it should look like.
> 
> Regards, Jan
> 
> Dne 25.09.2020 v 11:27 Daniel-Constantin Mierla napsal(a):
>> Hello,
>> 
>> no direct experience with Linphone, but upon receiving a push notification, 
>> usually the SIP app sends a REGISTER requests to Kamailio and then Kamailio 
>> forwards the suspended INVITE. I suggest you run a sip traffic sniffer on 
>> kamailio server (sngrep, ngrep, ...) as well as Kamailio with debug=3 and 
>> watch the syslog to see what kind of processing happens at that time.
>> 
>> Cheers,
>> Daniel
>> 
>> On 25.09.20 11:12, Jan Rozhon wrote:
>>> Hi,
>>> 
>>> I know this is kind of a wrong forum for this question, but I have got
>>> no answer from linphone forum so I am trying my luck here.
>>> 
>>> I have kamailio with pretty much the default config with slight
>>> modification enabling me the push notifications for iOS (via curl) and
>>> late forking (t_suspend, t_continue). But my linphone on iOS although
>>> gets awaken does not present me with the call I am trying to establish.
>>> 
>>> Did anyone of you guys experimented with similar setup? If so, to what
>>> degree were you successful and can you share some insights especially on
>>> the format of push notification where I suspect my problem to be rooted?
>>> 
>>> Thanks in advance and once again, sorry if I am off-topic too much.
>>> 
>>> Regards, Jan
>>> 
>>> 
>>> 
>>> 
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>> -- 
>> Daniel-Constantin Mierla -- www.asipto.com <http://www.asipto.com/>
>> www.twitter.com/miconda <http://www.twitter.com/miconda> -- 
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