mobile number format skype for business
International phone number format. When adding international phone numbers, type the + sign, then the country code followed by the local number. If you want, you can add parentheses and dashes for readability, but Skype for Business stores the number in international dialing format.See the examples below, or search for your own country code.nter the number in international format, beginning with a plus sign. Add a space at the end of the phone number, enter an X (for extension) or other special character, and then enter the extension number. Skype for Business dials only the main number.