Services for the design, installing, updating and maintenance of computer software to enable voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network; services for the design, installing, updating, maintenance and providing of computer software that allows subscribers to utilize voice over Internet protocol (VOIP) communications via a computer network; design, installation, updating and maintenance of computer software for use in voice over Internet protocol (VOIP) communications applications, messaging and instant messaging services, including video over Internet messaging services; design,  installing, updating and maintenance of computer software for use in messaging and instant messaging services; design, installation, updating and maintenance of computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network; providing on-line computer software to enable voice over Internet protocol (VOIP) communications; providing online software for downloading by others that allows subscribers to utilize VOIP communication services.

Computer software for voice over Internet protocol (VOIP); Computer software for enabling messaging and instant messaging via the Internet; Computer software for use in simple message service (SMS) and multimedia message service (MMS); Computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the internet or via peer-to-peer computer network; Voice over Internet protocol (VOIP), Private Branch Exchange (PBX), public switch telephone network (PSTN) and Session Initiation Protocol (SIP) computer software; Unified Communications (UC) computer software for simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, or at least two such communication functions simultaneously, all of the aforementioned communication functions being made available to users within one software application graphical user interface.

Providing voice over Internet protocol (VOIP) peer-to-peer communications; Instant messaging services via the Internet.

Computer software for voice over Internet protocol [VOIP] peer-to-peer communications; computer software for enabling instant messaging via the Internet.

Providing voice over Internet protocol [VOIP] peer-to-peer communications; instant messaging services via the Internet.

Computer software for voice over Internet protocol (VOIP) communications; Computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the internet or via peer-to-peer computer network; Computer software for enabling messaging and instant messaging via the Internet; Computer software for use in simple messaging service (SMS) and multimedia message service (MMS); Voice over Internet protocol (VOIP), Private Branch Exchange (PBX), public switch telephone network (PSTN) and Session Initiation Protocol (SIP) computer software; Unified Communications (UC) computer software for simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, or at least two such communication functions simultaneously, all of the aforementioned communication functions being made available to users within one software application graphical user interface.

Providing communications services comprising voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication services being made available to users within one software application graphical user interface and all provided via the Internet or via a peer-to-peer computer network; Session Initiation Protocol (SIP), voice over Internet protocol (VOIP) and Private Batch Exchange (PBX) communication services; Voice over Internet protocol (VOIP) and public switch telephone network (PSTN) communication services, Unified Communications (UC) communication services, namely services comprising simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), screen sharing, digital file transfer between users and user presence indication, or at least two such communication services simultaneously, all the aforementioned communication services being made available to users within one software graphical user interface; Messaging and instant messaging services via the Internet; Internet telephony and videoconference services; Providing voice over Internet protocol (VOIP) communications; Simple message service (SMS) and multimedia message service (MMS) via a computer network \.

Computer software for voice over Internet protocol (VOIP); Computer software for enabling messaging and instant messaging via the internet; Computer software for use in simple message service (SMS) and multimedia message service (MMS); Computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network; Voice over Internet protocol (VOIP), Private Branch Exchange (PBX), public switch telephone network (PSTN) and Session Initiation Protocol (SIP) computer software; Unified Communications (UC) computer software for simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, or at least two such communication functions simultaneously, all of the aforementioned communication functions being made available to users within one software application graphical user interface.

Providing voice over Internet protocol (VOIP) communications; Internet telephony and videoconference services; Providing communications services comprising voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication services being made available to users within one software application graphical user interface and all provided via the Internet or via a peer-to-peer computer network; Session Initiation Protocol (SIP), voice over Internet protocol (VOIP) and Private Branch Exchange (PBX) communication services; Voice over Internet protocol (VOIP) and public switch telephone network (PSTN) communication services, Unified Communications (UC) communication services, namely services comprising simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), screen sharing, digital file transfer between users and user presence indication, or at least two such communication services simultaneously, all of the aforementioned communication services being made available to users within one software graphical user interface; Messaging and instant messaging services via the Internet; Simple message service (SMS) and multimedia message service (MMS) via a computer network.

Computer software for enabling messaging and instant messaging via the Internet; computer software for use in simple message service (SMS) and multimedia message service (MMS); computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network; unified communications (UC) computer software for simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, or at least two such communication functions simultaneously, all of the aforementioned communication functions being made available to users within one software application graphical user interface; Voice over Internet protocol (VOIP), Private Branch Exchange (PBX), public switch telephone network (PSTN) and Session Initiation Protocol (SIP) computer software; Computer software for voice over Internet protocol (VOIP).

Messaging and instant messaging services via the Internet; providing communications services comprising voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication services being made available to users within one software application graphical user interface and all provided via the Internet or via a peer-to-peer computer network; voice over Internet protocol (VOIP) and public switch telephone network (PSTN) communication services, Unified Communications (UC) communication services, namely services comprising simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service (SMS), screen sharing, digital file transfer between users and user presence indication, or at least two such communication services simultaneously, all of the aforementioned communication services being made available to users within one software graphical user interface; Providing voice over Internet protocol (VOIP) communications; session initiation protocol (SIP), voice over Internet protocol (VOIP) and Private Batch Exchange (PBX) communication services; internet telephony and videoconference services; simple message service (SMS) and multimedia message service (MMS) via a computer network.

Providing voice over Internet protocol (VOIP) peer-to-peer communications; messaging and instant messaging services via Internet.

Services for the design, installing, updating and maintenance of computer software to enable voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network; services for the design, installing, updating and maintenance of computer software to enable voice over Internet protocol (VOIP) communications via a computer network; design, installation, updating and maintenance of computer software for use in voice over Internet protocol (VOIP) communications applications, messaging and instant messaging services, including video over Internet messaging services; design, installing, updating and maintenance of computer software for use in messaging and instant messaging services; design, installation, updating and maintenance of computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the Internet or via a peer-to-peer computer network.

Computer software for voice over Internet protocol (VOIP); Computer software for enabling messaging and instant messaging via the Internet; Computer software for use in simple message service (SMS) and multimedia message service (MMS); Computer software for voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication functions being made available to users within one software application graphical user interface and all communications arising from such functions being transmitted via the internet or via a peer-to-peer computer network; Voice over Internet protocol (VOIP), Private Branch Exchange (PBX), public switch telephone network PSTN and Session Initiation Protocol (SIP) computer software; Unified Communications (UC) computer software for simultaneous voice calling, video calling, video conferencing, voice mailing, simple message service SMS, instant messaging, screen sharing, digital file transfer between users and user presence indication, or at least two such communication functions simultaneously, all of the aforementioned communication functions being made available to users within one software application graphical user interface.

Providing voice over Internet protocol (VOIP) communications; Session Initiation Protocol (SIP), voice over Internet protocol (VOIP) and Private Batch Exchange (PBX) communication services; Providing communications services comprising voice calling, voice mailing, call forwarding, video calling, video conferencing, simple message service (SMS), instant messaging, screen sharing, digital file transfer between users and user presence indication, all of the aforementioned communication services being made available to users within one software application graphical user interface and all provided via the internet or via a peer-to-peer computer network; Internet telephony and videoconference services; Messaging and instant messaging services via the internet; Simple message service (SMS) and multimedia message service (MMS) via a computer network.