For Digital Hybrid IP-PBX System Telephones - IP-PT to LAN Connection No view IP-PT to PC Connection No view LCD 3-Line Backlit LCD Yes Alphanumeric Display Yes Adjustable LCD Contrast level Yes Caller ID 1 Yes Call Log Yes Call Log, Callback Yes Multi-Language LCD Support Yes Navigator Key Yes Multi-Angle Tilt Body Yes, four angles to allow for the most comfortable positioning Message/Ringing Lamp Yes Melody Ringer Yes, 10 melodies to choose from for each CO Ring Tones Yes, choice of 20 tone types for each CO Hands-Free Speakerphone Yes, Full Duplex Headset Jack Yes Flexible Outside (CO) Line Buttons Yes, 24 keys Dual Color LED Yes, green and red illumination, depending upon line status Conference Yes, up to 8-party Auto Dial/Store Yes Automatic Redial Yes Wall Mountable Capability Yes Built-in Speaker Yes Paging Yes, through the built-in speaker OHCA (Off-hook Call Announcement) Yes Off-hook Monitor Yes Background Music (BGM) Yes, users can hear the BGM through the system speaker when on-hook FWD/DND (Call Forwarding/Do Not Disturb) Yes Whisper OHCA Yes Intercom Yes eXtra Device Port (XDP) Yes, with Independent and Parallel Modes Built-in USB Port Yes, with the use of the KX-T7601 USB Module Card Speed Dial Yes, up to 1000 programmable system speed dial numbers PC Integration Yes, optional USB port makes PC integration simple and seamless 12 Key Add-On Module Compatible Yes 24 Key Add-On Module Compatibility Yes Cancel Key Yes Transfer Key Yes Hold Key Yes Message Key Yes Flash/Recall Key Yes Auto Answer/Mute Key Yes Pause Key Yes