Precondition Types used with Session Initiation Protocol (SIP) 

(last updated 2009-03-19)

Registries included below:
- Precondition Types used with SIP 


Registry Name: Precondition Types used with SIP 
Reference: [RFC4032][RFC3312]
Registration Procedures: Standards track RFCs

Note:
This table describes precondition types used with "Integration of 
Resource Management with SIP" [RFC3312].  These types appear in the SDP 
to indicate a constraint that is to be satisfied before the session can 
proceed. 

Registry:
Precondition-Type  Description                          Reference
-----------------  -----------------------------------  ---------
qos                Quality of Service preconditions     [RFC3312]
sec                Security precondition                [RFC5027]


References
----------
[RFC3312]  G. Camarillo, W. Marshall, and J. Rosenberg, "Integration 
           of Resource Management and SIP", RFC 3312, September 2002.   

[RFC4032]  G. Camarillo and P. Kyzivat, "Update to the Session 
           Initiation Protocol (SIP) Preconditions Framework", RFC 4032, 
           March 2005.

[RFC5027]
           F. Andreasen, D. Wing, "Security Preconditions for Session 
           Description Protocol (SDP) Media Streams", RFC XXXX, 
           Month Year.


(created 2002-08-21)

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