Simple and user friendly interface.
Integration of native phone book records.
Balance display without need of additional balance server setup.
IVR facility. Call log facility.
Last call duration on screen display after any successful call.
Works on Session Initiation protocol (SIP).
Supports Network Address Translation (NAT).
Supports most SIP supported Softswitch.
Works in Edge, GPRS, Wi-Fi, 3G and 4G networks.
Performance improved
minor bugs fixed
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)
