This softphone app allows iPhone users to make and receive internal calls from anywhere using 4G/5G mobile data. It integrates with a cloud PBX service, offering features like contact synchronization, call history, and call transfer functionalities.
3.5.5
April 28, 2026
いつもismartをご利用いただきありがとうございます。 ・一部機能の改善
ismart is a softphone application for iPhone that allows users to make and receive internal company calls using their mobile data connection (4G/5G). It is designed to work exclusively with the iSmartBiz cloud PBX service.
No, ismart does not contain advertisements. It is a free application designed for business communication.
ismart is compatible with iPhones running iOS 15 or later. It is not supported on iPads or iPod touches, and while it may install, functionality is not guaranteed on those devices.
The behavior varies by carrier. For SoftBank and docomo, ismart calls are put on hold when a mobile call is received. For au, the ismart call may be disconnected due to packet communication interruption.
Yes, Bluetooth headsets can be used with ismart for voice calls. However, the developer cannot guarantee compatibility with all headset models.
Yes, running ismart can lead to increased battery consumption compared to normal iPhone usage. Users should be aware of this potential impact on battery life.
No, ismart saves access logs to the iSmartBiz server for improvement purposes, but it does not collect any personally identifiable information.
The latest version of ismart is 3.5.5, last updated on April 28, 2026. While specific update frequency isn't detailed, the app is actively maintained.
