8 to 120 extension

• DISA: 60s in four channels
• OGM can be recorded by phone, or download from PC
• Caller ID(external, intercom, transfer CLI)
• Operator/Auto-attendant work mode
• Memory dialing(Abberviated dialing)
• Incoming call can be forward to mobile phone automatically
• Call transfer
• Call forward
• Call pickup
• Call barge in
• Call restriction(class assignment)
• Ext number flexible coding
• Ext number query
• Outgoing call transfer
• Multiple dial out mode
• Internal hotline
• Do not Disturb(DND)
• Three party conference
• Least cost routing(LCR)
• CO Line group/Ext group
• Extension dynamic lock
• Group call
• Morning call
• Backup battery option
• Door phone & Door opener
• External music interface
• Paging function(external broadcast interface)