Features and Functions -  Dial, Answer and End calls using the phone or the TalkPro User Window -  Capable of calling regular phone, mobile phone and TalkPro phone -  Volume Button -  Mute Button -  Clear Button -  Hands-Free Earphone Port -  Power LED Light -  Caller ID -  Soft Tone -  Silence Detection -  Access to Gatekeepers -  Online Update -  CNG (Comfort Noise Generation) -  Dynamic Voice Jitter Buffer -  Operates in Lock and Screen Saver mode -  Optional dialing-tone and ring-tone