如何从United Kingdom拨打国际电话
The UK uses the European standard 00 exit code. If you are calling from a British landline, dial 00 followed by the country code. For mobile users on networks like EE, O2, or Vodafone, holding the 0 key to get a "+" is the most reliable method.
此号码告知本地运营商通话目的为国际。否则通话将按国内长途处理。
