Hand/Hands-free duplex conversation, can call or be called.
One way broadcasting (point to point, zone or all zones).
Call transfer, busy transfer, missed call reminder.
Monitoring and surveilling junior paging microphones and intercom terminals.
Has 2 short-out interfaces, can control devices, e.g. alarm light.
Works everywhere as long as Enthenet available, support.
Support span net segment and routing. Support SIP (Audio function).