Allows users to make video calls and audio calls using SIP protocols. It supports screen sharing via VNC, multiparty conferencing with audio and chat. Features include instant messaging, file transfers, and presence status.
The app allows users to make and receive audio and video calls from IP intercom stations on their iPhone or iPad. It works with the Castel Cloud SIP server through Wi-Fi and 3G/4G/5G networks.
Make VoIP calls using SIP protocol with support for all codecs. Connect via 3G/Edge/Wi-Fi. Operate behind NAT or private IP. View real-time SIP status. Automatically sync balance. Manage call history and settings through a user-friendly interface.
