Cellular telecommunications services, namely, transmission of voice, audio, data, text, images, video, music, information, facsimiles, advertising, gaming and graphics via cellular telecommunications networks; cellular telecommunications services, namely, two-way real-time transmission of voice, audio, video and data between wireless telecommunications devices; wireless roaming services, namely, providing access to a cellular telecommunication network; audio chat services; video chat services; electronic mail services; text messaging and multimedia messaging services; electronic voice messaging services, namely, recording and subsequent transmission of audio messages and transmitting textual transcriptions of audio messages; streaming services, namely, transmission of audio, video, text and multimedia content; providing multiple-user access to a global computer network; telephone communication services, namely, ringback tone services