RFC 8197: A SIP Response Code for Unwanted Calls

This document defines the 607 (Unwanted) SIP response code, allowing called parties to indicate that the call or message was unwanted. SIP entities may use…

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Outgoing relationships (10 related RFCs)

Normative reference — RFC 2119: Key words for use in RFCs to Indicate Requirement Levels
Normative reference — RFC 3261: SIP: Session Initiation Protocol
Normative reference — RFC 3326: The Reason Header Field for the Session Initiation Protocol (SIP)
Normative reference — RFC 6809: Mechanism to Indicate Support of Features and Capabilities in the Session Initiation Protocol (SIP)
Informative reference — RFC 3966: The tel URI for Telephone Numbers
Informative reference — RFC 3323: A Privacy Mechanism for the Session Initiation Protocol (SIP)
Informative reference — RFC 3725: Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)
Informative reference — RFC 5057: Multiple Dialog Usages in the Session Initiation Protocol
Informative reference — RFC 5359: Session Initiation Protocol Service Examples
Informative reference — RFC 5039: The Session Initiation Protocol (SIP) and Spam

Incoming relationships (1 related RFC)

Informatively referenced by — RFC 8688: A Session Initiation Protocol (SIP) Response Code for Rejected Calls