Linphone not receiving calls when app is closed

Asterisk Asterisk Endpoints
1

Hey team,

Sorry that I’m no good enough in SIP/PJSIP architecture, but I’ve managed to set up Asterisk with FreePBX web UI on my Almalinux 8 machine. Everything seems to be working smoothly with the Linphone client on Android. However, I’ve run into an issue with iOS – calls aren’t coming through when the Linphone app is closed or minimized.

I’ve heard that there’s a limitation with iOS regarding UDP connections since iOS 10. Initially, I thought running Asterisk over TCP port 5060 could be a workaround. So, I configured Asterisk to run over both UDP and TCP. Despite connecting from Linphone over TCP, I’m still facing the same issue – calls aren’t coming through when the app is minimized.

Could someone with expertise in this area guide me in finding a proper solution?

2

I believe FreePBX has support for push servers, but you need to ask on the FreePBX forum for that.

3

Specifically Sangoma Talk on FreePBX, which is a commercial offering of it, has push support. There is no generic push server support in either Asterisk or FreePBX, any such functionality would be outside in some manner.

4

Try the PortSIP app for iOS. Under Preferences, enable Force Background. Battery takes a slight hit, but connection is maintained I believe

5

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