I don't know if this is the Telus solution you're talking about, or if it would work for a cell phone only set up, but it may be worth a look.
https://www.telus.com/en/bc/business...iness-connect#
We moved to it in our office (though probably unnecessary given the size of our office), but you can take advantage of their 'auto receptionist' or set which number calls are forwarded too, etc.