Zulu "Softphone Reconnecting" - Softphone not working

[FreerPBXer]

I have a v13 system where the iOS app will register, but it won’t make calls.

Zulu UC on iOS registers but won't call

First time setting up Zulu since early v1 days. Have port 8002 TCP forwarded through location firewall. 8089 as well (Asterisk mini-HTTP server for this install) for testing purposes. Remote mobile app on iOS registers. Have given the app permission as asked (Contact, Mic, one more I don’t remember). Have deleted and reinstalled the app. I “dial” at the Zulu keypad and press Send. The “Connecting Call” screen very briefly appears, then closes. The green phone icon in the upper left corner o…