	SIP Reference Guide
Table Of Contents
DNS Example
Elements and Architectures
Header Fields
Header Fields – Compact Forms
Header Parameters & Values
INVITE Client Transaction
INVITE Server Transaction
INVITE/200
Mapping Between SS7 USI and the SIP SDP (SS7 Origination)
Mapping Between the SIP SDP and SS7 USI/HLC (SIP Origination)
Mapping ISUP Cause Codes to SIP-I/SIP-T Responses
Mapping SIP-T Responses to ISUP Cause Codes
Mechanics: Location
Mechanics: Registration
Namespaces and Priority Values for the Resource Priority Header Field
NAPTR Records
Non-INVITE Client Transaction
Non-INVITE Server Transaction
Option Tags for SIP Extensions
Response Code
Security Mechanism Names
Session Description Protocol
SIP Events
SIP Methods
SIP Response to a Call Progress (CPG) Message
SIP Timers
SIP/SIPS URI Parameters
SIP-I Responses - ISUP Cause Codes
SIPS's Use of DNS
SRV Records
Types of DNS Resource Records
URI Purposes
Warning Codes
Glossary of SIP Acronyms
SIP References

SIP Events

Other SIP Resources

	SIP Pocket Guide
	SIP Signaling Router Use Cases Multimedia
	SIP Sessions Blog
	SIP Signaling Router Application Handbook
	SIP Signaling Router (SSR) Use Cases Application Guide

Package Name	Subscription	RFC
conference	URI for a conference to learn about other members and conference components	RFC 4575
dialog	Users and their changes of state of INVITE-initiated dialog usages in which they are involved	RFC 4235
kpml	Dual Tone Multi-Frequency (DTMF) signals for supplemental or mid-call key presses (triggers) entered at the UA. The Key Press Markup Language (KPML) documents (XML) sent in the SUBSCRIBE define and describe filter specifications for capturing key presses. The KPML documents sent in the NOTIFYs report the captured key presses that match the filter criteria to an application server.	RFC 4730
message-summary	Message waiting status and message summaries from a messaging system	RFC 3842
poc-settings	Capabilities required by the Push-to-Talk over Cellular (PoC) service.	RFC 4354
presence	Users’ availability and willingness to communicate with other users on the network	RFC 3856
reg	UA’s registration state	RFC 3680
refer	Status of a REFER request	RFC 3515
winfo	Set of watchers subscribed to the UA’s presence information	RFC 3857

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