Roaming on China Unicom in Taiwan
If you are a China Unicom user roaming in Taiwan, and you want to contact a friend in Taipei who’s number is 999-888-777, To send a text message you have to use: +00886-999-888-777 but to make a phone call to the same friend you have to press +886-999-888-777. So, you’re address book is basically useless.
Int’l Text Message: + 00 [country code] [number]
Int’l Dialing while Roaming Overseas + [country code] [number]
