A: No. Zoiper uses the internet (Wi-Fi or Data) to make calls. You do not need a standard cellular carrier plan, though you do need an account with a VoIP provider.

: Allows users to see contact status (online/offline) and send instant messages using the SIP SIMPLE protocol.

The is a premium, service-independent softphone application designed for professionals and businesses that require reliable, high-quality Voice over IP (VoIP) communication on Android . Unlike standard mobile dialers, Zoiper Pro serves as a standalone client that connects to any SIP or IAX-based service provider worldwide, offering advanced security and productivity features. Key Features of Zoiper Pro

Beyond voice and video calls, the app facilitates instant messaging and file sharing, making it a comprehensive communication tool.

: It supports TLS, SRTP, and ZRTP encryption protocols, ensuring that your conversations remain private and secure from eavesdropping. Unified Communications