| Abstract | There are now many ways of sending messages (such as faxes, telephone calls, pages, emails, etc.) and a corresponding multitude of ways of responding to them. Part of this variety arises from the separate systems that are used for each type of message, and part from the different services that each system might employ (e.g. different telephone and cellular telephone operators, etc.). These systems are rarely closely integrated, making it difficult for messages to pass between systems to reach the recipient. For example, a person usually has several voice-mail accounts; at home, at the office and on a cellphone, each of which may have a different user interface, and that may be incapable of exchanging messages. To address these discontinuities in message passing the concept of Seamless Messaging environments and Seamless Personal Information Networks [1] has been proposed. These systems are intended to provide a means of delivering messages in a way which is personal to the recipient, and in which the separate networks that might be used to deliver a message are invisible. |
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