| Alphanumerical key | 
                  Function Keys | 
                
                
                  | Phonebook | 
                
                
                  | Redial | 
                
                
                  | DND | 
                
                
                  | Hold | 
                
                
                  | Transfer | 
                
                
                  |  Conference | 
                
                
                  | Forward | 
                
                
                  | Delete | 
                
                
                  | Headset | 
                
                
                  | Call Features | 
                  Call redialing - call back the last number dialed | 
                
                
                  | Call Blocking - blocks all incoming call | 
                
                
                  | Call On -Hold-on hold current call | 
                
                
                  | Call Transfer- attended & blind transfer | 
                
                
                  | Call Forwarding- forwarding by demand or duration | 
                
                
                  | Call Waiting- answer twos simultaneously | 
                
                
                  | Voice Quality | 
                  VAD: Voice activity detection | 
                
                
                  | CNG: Comfortable noise generator | 
                
                
                  | ACE: Acoustic echo canceller | 
                
                
                  | G.165: Line echo canceller (LEC) | 
                
                
                  | G.168: Digital network echo canceller (EC) | 
                
                
                  | Jitter Buffer | 
                
                
                  | Phone Functions | 
                  Visual ring & messages indicator- RED LED right is visible form all angles | 
                
                
                  | Music on Hold (Built-in Only) | 
                
                
                  | Remote SIP registrations- Up to 3 accounts with different SIP proxies | 
                
                
                  | Non-volatile user settings- will not lose settings if power is lost | 
                
                
                  | Call history | 
                
                
                  | Half duplex speakerphone | 
                
                
                  | Wall mountable | 
                
                
                  | Two integrated 10/100 Ethernet switch ports | 
                
                
                  | Speed Dials- Up to 10 records | 
                
                
                  | Phone Book- Up to 140 records | 
                
                
                  | Display | 
                  Backlight LCD with 2*16 Dot matrix | 
                
                
                  | Caller ID support | 
                
                
                  | Displays simultaneous calls | 
                
                
                  | Date & Time display | 
                
                
                  | General Specification | 
                  Dimensions: 7.08”H x 7.8”W x 3.14”D (18x20x8 cm) | 
                
                
                  | Weight: 0.482 lb (0.219kg) | 
                
                
                  | 6V DC adapter, supplied locally at the desktop using the included AC to DC power supply |