SIP extension for tracking locations attempted

Document Type Expired Internet-Draft (individual)
Authors David Oran  , Henning Schulzrinne 
Last updated 2000-08-08
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Expired & archived
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Proxying hides the destinations tried by the proxy. Since this information is sometimes useful to the requestor, this draft proposes a new optional SIP request header called Contacts-Tried listing the locations tried unsuccessfully during a search.


David Oran (
Henning Schulzrinne (

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