Telecommunications services, namely, providing voice, text, graphic and data communications via a global computer network and other networks, namely, local area networks, wide area networks, and telecommunications networks; providing wireless access to the Internet or local network to access telephony services, namely, voice message management; provisioning and management of hand-held devices over a wireless and wireline network, namely, activation and configuration of mobile telecommunications services, updating and integration of data, user specifications and network specifications; providing gateway connections to a wireless and wireline network for synchronized interaction between personal computers and hand-held devices using calendars, task lists, and information management tools over a wireless and wireline network; voice message management, namely, providing wireless and wireline network access to personal information management tools, namely, address books, calendars, to-do lists and notes; transmission of data and messages from the Internet or local network; providing multiple user access to a global information network; providing gateway connections between mobile telephones and personal computers via a wireless and wireline network