The options compared

Landlines, Google Voice, call forwarding, smart intercoms and buzzer apps, with the trade-off each one actually makes.

Call forwarding for your apartment buzzer: the codes, and why each kind fails
How carrier call forwarding handles a buzzer call: unconditional versus conditional, the exact codes on Rogers, Telus, Bell and Freedom, and where each one fails.
10 min read
Using Google Voice for your apartment buzzer
Google Voice is free and can ring several phones, which makes it the obvious buzzer fix. Here is why it works for some people and fails for others.
5 min read