價格：免費
檔案大小：59.1 MB
版本需求：系統需求：iOS 9.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Calls SIP VoIP ATT is a very useful mobile application that enables users to make VoIP calls from their mobile devices to anywhere around the world. Call connections are established on the end party mobile devices even though they don’t have this application installed and that ís what makes it so special.
