價格：免費
檔案大小：24 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Happy news for all Du users. You can make use of this app.
Are you a Hello Card?
Now you can directly call form the apps contact list without entering the card number again and again. You can call to almost all countries in the world.
If you find any difficulties in making calls, try switch off dial assist from iPhone Settings. (Settings -> Phone-> Dial assist)
支援平台：iPhone