TOUGH PHONE

Computer hardware, communications hardware, namely PDAs, cell phones, walkie talkies and pagers; and software for providing voice over internet protocol for fixed and wireless telecommunications, voicemail, voice messaging, e-mail forwarding services, text and numeric wireless digital messaging services, transmission of graphics, video messaging, and for optimizing the performance of telecommunications hardware under variable and unpredictable bandwidth conditions by enabling wireless telecommunication, whether or not such software is integrated with a specific hardware product