关于Master Tel
保持紧密联系，保持连接。
Master Tel dialer is a SIP dialer for Android operating system. It is designed to work in low bandwidth areas. Voice goes as IP packets through Internet. You can successfully run this application in any Android OS.
最新版本1.6.20更新日志
Last updated on 2020年02月18日
**bug fixed.**
Master Tel 屏幕截图
