IM group working on interoperability

In the absence of a standard protocol for instant messaging (IM), a coalition of service providers this week said it's in the final stages of testing interoperability specifications that would allow users of the various IM services to chat with one another. IMUnified published the specifications in August and has been testing them since then, said Estela Mendoza, spokeswoman for the group of IM providers. Members of IMUnified include AT&T Corp., Excite@Home, Microsoft Corp.'s MSN Network, Odigo Inc., Phone.com Inc., Prodigy Services Corp. and Yahoo Inc.

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