i cannot make or receive calls

Hello ​@Cambridge 

Thanks for getting in touch with us here on the community.

We're aware of a network wide issue affecting services, unfortunately we do not have a time frame of when this will be resolved. We apologise for any inconvenience caused and want to assure you this is high priority and our team are working hard to get this repaired as quickly as possible.

Updates on this can be found here. 

Thanks, 

Nat