Indication of support for reverse keep-alive

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Last updated 2015-06-19 (latest revision 2014-12-16)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification defines a new Session Initiation Protocol (SIP) Via header field parameter, "rkeep". The "rkeep" parameter allows a SIP entity to indicate willingness to receive keep-alives from its adjacent downstream SIP entity, the adjacent downstream SIP entity to indicate willingness to send keep-alives, and for SIP entities willing to send keep-alives to inform the receiver about the keep- alive interval.


Christer Holmberg (
Oscar Gallego (

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