UNIVERGE ST500 is a versatile softphone application designed for Android devices, enabling seamless communication for professionals on the go. This application allows users to make and receive calls from anywhere, utilizing either Wi-Fi or mobile data, ensuring connectivity regardless of location. Key features include integration with Android contacts, call history management, and support for video calls and various voice codecs, making it a comprehensive communication tool for modern businesses.

The ST500 not only helps reduce mobile call costs by allowing free internal calls and inexpensive local calls, but it also simplifies communication by allowing employees to share their desk phone number instead of their mobile number. With advanced call management features such as call transfer, hold, and voicemail access, it provides a robust solution for maintaining productivity in a fast-paced work environment. The application is free for users with NEC phone systems, requiring an activation code for setup.