JayFig78 answer solved it for me. I had to switch off the network from automatic and had to manually select my network, and reboot. The calls are now going through.
Thanks, Jay
Hamhus
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution