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1 Introduction


The Session Initiation Protocol (SIP) Registration Extensions protocol specifies proprietary extensions to Session Initiation Protocol (SIP) registration procedures. It also defines a provisioning protocol to enable SIP clients to obtain server provisioning data from SIP servers compliant to this specification. It is expected that the provisioning protocol sequence is performed during the client bootstrap process and that the data obtained is used for subsequent protocol operations attempted on the network.

Sections 1.8, 2, and 3 of this specification are normative and can contain the terms MAY, SHOULD, MUST, MUST NOT, and SHOULD NOT as defined in [RFC2119]. Sections 1.5 and 1.9 are also normative but do not contain those terms. All other sections and examples in this specification are informative.

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