Oh I had just plugged callcentric too. The rate tables are here:

https://www.callcentric.com/find/rate/

For North American use they were 0.0198 a minute .

Versus telnyx at 0.005 per minute but wants business registration.

Skype was 2.3 cents a minute and it was never great.

For anyone who had Skype because they didn’t have a voip phone , or know how to set up software: the free “Lin phone” client for Linux Mac windows and mobile can be configured with a SIP provider.

You just type in sip.callcentric.net and your login is the 1777xxxxxx account number. Password is set separately under the extensions tab.

That’s all you need and you can prepay a credit balance like you did with Skype