Display circularly:

when extensions call host, the window of the host will display the extension number orderly and circularly,

and report the call number synchronously.

Display in English:

LCD displayer, Main menu operated in English,

show operation process, time, calls and other information.

Answer circularly:

when there are multiple extensions calling at the same time,

after finishing the first answer,hang up and pick it up again to answer the second;

Both the host or extensions have seven levels of volume.

All of them can be adjusted while operating;

Host can be connected to any external sources as to play music or radio.

Host may be simultaneously broadcast to all the extensions.

One-button clear:

Auto detection:

Duplex network:

Numbering online:

Three level settings:

Uninterrupted call:

whether in holding, ringing, intercom or radio state,

all the incoming calls are available and can be displayed.

Memory function:

External adapter (DC 24V/50W),

stable and easy to maintain.