586 refactor CtiProxy.onFatalWebRtcError from callback to safer promise
Closes #586
Finding from code review: refactor CtiProxy.onFatalWebRtcError from callback to safer promise
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Closes #586
Finding from code review: refactor CtiProxy.onFatalWebRtcError from callback to safer promise