Thanks to Fizzbubbles and Davidson for your replies. I also just got off the phone another tech support agent at Samsung and she's had me back up my phone and do a factory reset to take it back to 5.0.2. I haven't finished the process yet, but hope...
I am soooooo frustrated with Telus and Samsung! Telus claims that it is a Samsung software issue and they can't fix it. Samsung claims that it is a Telus network issue and their network can not support the GS6 running Android 5.1.1. Needless to sa...