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 -  Redial Button -  Pause Button -  Volume Button -  Power LED Light -  Caller ID -  Soft Tone -  Silence Detection -  Access to Gatekeepers -  Dynamic Buffer Region Management -  Operates in Lock and Screen Saver mode -  Operates in any Internet connection type