Routine / Emergency Call
Communicate via Handset or Hands-free by different phone model, a mode of full-duplex.
A quick cal l to a target terminal by pick up handset (Hotline); Through numerical keys to randomly call any terminals.Group Call
The system automatically calls a group of terminals. If any of the terminal responses, the call to the rest will be terminated.
Conference Call, Auto / Manual Answer, Busy Line Transfer , No-Response Transfer and Time Period Transfer.
DND&Call forward state synchronization, Call Recording.
To broadcast to certain / all of part of zones via IP network paging microphone.
To broadcast MP3 or WAV format pre-record alarm message to speakers which inside of tunnel.