How to dial a foreign telephone number?

Dialing method for making foreign calls:

If you make a foreign call through a mobile phone calling card, you must first open an international telephone service. Different operators have different ways to open it. First, the mobile phone account has enough phone bills in advance.

Call the operator's customer service to open international telephone service.

Dial the fixed line number: international access code+country code+area code+the other party's fixed phone number.

Dial the mobile phone number: international access code+country code+the other user's mobile phone number.