[SR-Users] Tsilo iOS Push Notifications with Kamailio/Asterisk Integration

[Federico Cabiddu]

Hi,
I didn't mention in my reply, and it wasn't probably clear, that Kamailio
won't send the actual push to Apple or Google (for GCM).
This needs to be implemented separately, either with a self written service
or using a web service like the Amazon's one.
In the example from my presentation the call to

lua_runstring("do_push([[$hdr(X-VxTo)]], [[$tU]], [[$hdr(XVxFrom)]],
[[$fU]], [[$ci]])")<0)

is actually just an example of where, in the Kamailio script, the logic for
sending the push should be placed.

Regards,

Federico

On Sun, Dec 11, 2016 at 5:46 PM, Federico Cabiddu <
federico.cabiddu at gmail.com> wrote:

> Hi Benjamin,
> if you don't plan to support multiple devices per account just the
> t_suspend/t_continue pair should be enough to support push notification.
> This being said you can easily integrate the example in my presentation in
> the Kamailio's configuration given in the Asterisk/Kamailio integration
> page.
> For the INVITE you have to modify the route[LOCATION] and, instead of
> performing the lookup, suspend the transaction and send the push. In this
> way you'll also send the push for every INVITE, regardless of the
> registration state. You have then to modify the REGISTRAR route after
> calling save() to resume the transaction or to append new branches (if you
> use tsilo). I think that the snippets from my example should be enough.
> Hope this helps.
>
> Regards,
>
> Federico
>
> On Wed, Dec 7, 2016 at 2:32 AM, Benjamin Fitzgerald <ben at letscorp.us>
> wrote:
>
>> Hello, my goal is to address iOS 10's removal of periodic TCP connections
>> in iOS apps with their replacement PushKit, a push-based alternative all
>> VoIP apps should implement.
>>
>> In order to have iOS apps receive SIP calls in the background, I believe
>> I need to use tsilo to suspend the INVITE transaction send a push
>> notification to the device. I have been following the presentation here (
>> http://www.kamailio.org/events/2015-KamailioWorld/Day2/20-
>> Federico.Cabiddu-Kamailio-In-A-Mobile-World.pdf) however I am not sure
>> how to integrate it with Asterisk (http://kb.asipto.com/asterisk
>> :realtime:kamailio-4.0.x-asterisk-11.3.0-astdb).
>>
>> My questions can be summarized below:
>>
>> (1) What changes need to be made from Federico's presentation to use with
>> the Kamailio/Asterisk integration?
>>
>> (2) How can I modify the config to send push notifications for EVERY
>> invite? This is to address the scenario where a device goes offline before
>> the SIP registration expires and a call is received within that window. iOS
>> is very aggressive about killing background applications so it's likely as
>> soon as user leaves the VoIP app, the device will become unreachable.
>>
>> Thanks for any help.
>>
>> Benjamin Fitzgerald
>> LETS Corporation
>> (925) 235-1154
>> ben at letscorp.us
>>
>>
>>
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>>
>>
>
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