Push for Incoming Calls

Single Register

Softphone and Push server will take over the SIP registration as the softphone is backgrounded and brought to the foreground again. This mode only works with your setup if a newer registration overwrites a previous registration without having to unregister the previous registration.

Softphone backgrounded or closed

Step 1

SIP credentials are securely transferred to the Push server, softphone does not unregister with PBX

Step 2

Push server registers SIP account with the PBX,

Diagram of single-register push mode: SIP credentials transferred to Push server which registers alongside the app

Softphone application opened or foregrounded

Step 3

Softphone registers with PBX

Step 4

SIP credentials removed from Push server. Push server does not unregister.