@jimv
As a workaround for your issue download textnow. Choose a Canadian phone number. Then when you are in an area that has 3G network service call forward your public mobile phone number for the busy / declined and unreachable call forwarding settings to your textnow phone number.
Now when callers cannot reach you your call will be forwarded to your text now app and ring through to your phone while you are on Wi-Fi or mobile data. The data usage if you use mobile data is approximately 0.5mb/min or 250mb=500min.
For outgoing calling if you cannot get a stable 3G network signal you will have to use your text now app to make outgoing calls.
This should at least carry you through until they either fix the problem with your local cell tower or if they are not upgrading or planning on fixing the issue due to upgrades for the 5G network then hopefully telus plans on implementing VoLTE for public mobile customers in the next few months if not by the end of this month as a rumor has circulated that this was to be implemented by the end of September.
But that is an unsubstantiated rumor..... Fingers crossed it has some truth to it.
