VoIP Kamailio setup TSILO SIP push notifications for Mobile Inbound Calls.

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VoIP Kamailio setup TSILO ? SIP push notifications for Mobile Inbound Calls.
1. Linphone registration
a) Linphone sends REGISTER message containing its PUSH token via Kamailio to the PBX
b) When Kamailio receives the OK from the PBX regarding the successful registration it stores the Linphone push token and username
Incoming INVITE to Linphone
PBX---->Kamailio
a) Kamailio gets the INVITE from the PBX and does not forward it to Linphone
b) Kamailio sends instead a PUSH to Linphone to FCM (google firebase)
c) When Linphone receives the PUSH it issues a REGISTER message
d) Kamailio catches the current contact address from the REGISTER message
e Kamailio now forwards the INVITE from step b) to the current contact address of Linphone
f) The usual INVITE from step a) proceeds
SIP-INVITE ----->[PBX]----->[Kamailio]push------>(android[UA/SIP_REG-PBX]------>INVITE CALL-END
Skills:
VoIP
, Asterisk PBX
, Android
, Mobile App Development
, FreeSwitch

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