Bizダイヤル is an Android application developed by SoftBank Corp. that offers a service aimed at corporate clients. This app is exclusively designed for Bizダイヤル users and requires registration with SoftBank. The app enables users to make and receive calls using a fixed phone number from their smartphone.

The app's features include call forwarding, call holding, voicemail, and address book integration. It also allows users to redial from their call history. It's important to note that this app does not use VoIP communication and cannot be used as a standalone app. It requires a subscription to Bizダイヤル services. Furthermore, the app is compatible with Android 6.0 to 11 and has been tested on DIGNO F, DIGNO G, DIGNO J, DIGNO BX, DIGNO BX2, AQUOS R Compact, AQUOS sense basic, AQUOS sense3 basic, AQUOS sense5G, and AQUOS wish.