Once installed in a Compatible Mobile Handset, the dialer requires data connectivity to work. General data connectivity options are Wi-Fi, 2G, 3G, 4G, GPRS or Hot Spot. The Mobile Dialer, which is pre-mapped to a Soft-switch, then can be used for making VoIP calls directly from Mobile handset.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://sg-res.9appsdownloading.com/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
