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.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
