Call Center Dialpad Corded Telephone with Redial Caller ID Dialpad Headset Telephone for Home Call Center Office Item Type: Call Center Dialpad Corded Telephone Material: ABS Interface Type: RJ11 Functional Features: Intelligent backlight display Date and time display Automatic timing of incoming calls Busy automatic line collection Checking the caller ID Support headset line control to answer and hang up the phone High clear voice call 66 groups of 16 digit incoming calls 20 groups of 16 digit incoming and outgoing calls Calling music reservation function FSK or DTMF automatic decoding of incoming calls Automatic call answering switch selection function External ringer and internal ringer selection function Left and right headphone jacks Mute function, mute status screen display Provide extension interface can be connected to an external telephone extension or recording box Headset bracket can freely choose the left side or the right side of the slot fixed