What is the model number of your device? Is there any error message while making or receiving the phone calls?
you can Reset Network Settings and check. Follow the below steps:
Go to Settings >> General Management >> Reset >> Reset Network Settings >> Reset settings.
You can try wiping the cache partition of your device and check.
Also, As mentioned by JohnH, as of now beta testing is not available for Canadian samsung devices.
If you are using the US version phone, please contact the Samsung US community forum as mentioned by Cprice. As of now, beta testing is not available for Canadian Samsung devices.
Thanks to Cprice and CHMultimedia for your inform