The SIP PING Method

Document Type Expired Internet-Draft (individual)
Author Frank Miller 
Last updated 2006-05-16
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The Session Initiation Protocol (SIP) has the potential for long periods of time to elapse when no signaling traffic is sent between a User Agent Client (UAC) and a User Agent Server (UAS). There are situations when it may be necessary for some signaling traffic to flow periodically between these endpoints or to have a quick, lightweight check for whether a UAS is alive. The PING method is proposed that can be used for these purposes.


Frank Miller (

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