Central line that supports the cloud system (Grand Stream)
Up to 500 IP users (SIP) and 75 concurrent calls, PSTN Lines FXO port and FXS port for analog phone,
4 video conference rooms and up to 20 parties at 1080p, assuming 4 video channels + 1 screen sharing (H.264 & Opus) Supports audio meeting: up to 75 parties
Automatic detection of Grandstream phones for easy programming
Ports: USB 3.0 * 1 and SD card * 1
Offers API for easy integration with external software
Call features: Call park, Call transfer, Call waiting, Caller ID, Call recording, Call history, Ringtone, IVR, Music on hold, Call tracks, DID, DOD,
DND, DISA, Ring group, Simultaneous ring, Schedule,
To install this Web App in your iPhone/iPad press
and then Add to Home Screen.