Configure our VOIP setup.
We are using a TG100 Yeastar GSM Gateway and Groundwire on iOS.
This task is to set them up so they work reliably.
Calls from the iOS app will terminate using the SIM. Calls from the SIM will terminate to the iOS app using a push notification.
The TG100 Yeastar GSM Gateway is behind a router with a web based interface and port forwarding has been setup.
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