Recommended Relationships between Different Types of Identifiers.

Document Type Expired Internet-Draft (individual)
Authors Henning Schulzrinne  , Eunsoo Shim 
Last updated 2005-07-11
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Evolution of communications technologies brought us various types of identifiers or addresses that identify persons such as SIP URIs, email addresses, and telephone numbers. Proper relationships among different type of identifiers can enable various services, which, otherwise, are difficult to realize. This memo provides guidelines for managing relationships between SIP URIs other personal identifiers.


Henning Schulzrinne (
Eunsoo Shim (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)