RFC 3263

Session Initiation Protocol (SIP): Locating SIP Servers, June 2002

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Status:
PROPOSED STANDARD
Obsoletes:
RFC 2543
Updated by:
RFC 7984, RFC 8553
Authors:
J. Rosenberg
H. Schulzrinne
Stream:
IETF
Source:
sip (rai)

Cite this RFC: TXT  |  XML  |   BibTeX

DOI:  https://doi.org/10.17487/RFC3263

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Abstract

The Session Initiation Protocol (SIP) uses DNS procedures to allow a client to resolve a SIP Uniform Resource Identifier (URI) into the IP address, port, and transport protocol of the next hop to contact. It also uses DNS to allow a server to send a response to a backup client if the primary client has failed. This document describes those DNS procedures in detail. [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 8729.




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