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
   

Header Field Parameters and Parameter Values


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
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Reference is provided only if it is different from the original header field reference.
See the Header Fields table.
Header Field Reference
Paramenter Name
Predefined Values
Authorization
uri
No
Authorization
username
No
Authentication-Info
cnonce
No
Authentication-Info
nc
No
Authentication-Info
nextnonce
No
Authentication-Info
qop
Yes
Authentication-Info
rspauth
No
Call-Info (5367)
purpose
Yes
Call-Info
purpose
Yes
Contact
expires
No
Contact
q
No
Contact draft-ietf-sip-gruu-15.txt
pub-gruu
No
Contact draft-ietf-sip-gruu-15.txt
temp-gru
No
Content-Disposition
handling
Yes
Event (4235)
call-id
No
Event (4235)
from-tag
No
Event
id
No
Event (4235)
include-session-description
No
Event (4235)
to-tag
No
From
tag
No
P-Access-Network-Info
cgi-3gpp
No
P-Access-Network-Info
utran-cell-id-3gpp
No
P-Charging-Function-Addresses
ccf
No
P-Charging-Function-Addresses
ecf
No
P-Charging-Vector
icid-value
No
P-Changing-Vector
icid-generated-at
No
P-Charging-Vector
orig-ioi
No
P-Charging-Vector
term-ioi
No
P-DCS-Billing-Info
called
No
P-DCS-Billing-Info
calling
No
P-DCS-Billing-Info
charge
No
P-DCS-Billing-Info
locroute
No
P-DCS-Billing-Info
rksgroup
No
P-DCS-Billing-Info
routing
No
P-DCS-LAES
content
No
P-DCS-LAES
key
No
P-DCS-Redirect
count
No
P-DCS-Redirect
redirector-uri
No
Priv-Answer-Mode
auto
No
Priv-Answer-Mode
auto; require
No
Priv-Answer-Mode
manual
No
Priv-Answer-Mode
manual; require
No
Proxy-Authenticate (3310)
algorithm
Yes
Proxy-Authenticate
domain
No
Proxy-Authenticate
nonce
No
Proxy-Authenticate
opaque
No
Proxy-Authenticate
qop
Yes
Proxy-Authenticate
realm
No
Proxy-Authenticate
stale
Yes
Proxy-Authorization (3310)
algorithm
Yes
Proxy-Authorization (3310)
auts
No
Proxy-Authorization
cnonce
No
Proxy-Authorization
nc
No
Proxy-Authorization
nonce
No
Proxy-Authorization
opaque
No
Proxy-Authorization
qop
Yes
Proxy-Authorization
realm
No
Proxy-Authorization
uri
No
Proxy-Authorization
username
No
Reason
cause
Yes
Reason
text
No
Retry-After
duration
No
Security-Client
alg
Yes
Security-Client
ealg
Yes
Security-Client
d-alg
Yes
Security-Client
d-qop
Yes
Security-Client
d-ver
No
Security-Client
mod
Yes
Security-Client
port1
No
Security-Client
port2
No
Security-Client
prot
Yes
Security-Client
q
No
Security-Client
spi
No
Security-Server
alg
Yes
Security-Server
ealg
Yes
Security-Server
d-alg
Yes
Security-Server
d-qop
Yes
Security-Server
d-ver
No
Security-Server
mod
Yes
Security-Server
port1
No
Security-Server
port2
No
Security-Server
prot
Yes
Security-Server
q
No
Security-Server
spi
No
Security-Verify
alg
Yes
Security-Verify
ealg
Yes
Security-Verify
d-alg
Yes
Security-Verify
d-qop
Yes
Security-Verify
d-ver
No
Security-Verify
mod
Yes
Security-Verify
port1
No
Security-Verify
port2
No
Security-Verify
prot
Yes
Security-Verify
q
No
Security-Verify
spi
No
Subscription-State
expires
No
Subscription-State
reason
Yes
Subscription-State
retry-after
No
Target-Dialog
local-tag
No
Target-Dialog
remote-tag
No
To
tag
No
Trigger-Consent
target-uri
No
Via
maddr
No
Via
received
No
Via (3581)
rport
No
Via (5049)
sigcomp-id
No
Via
ttl
No
WWW-Authenticate (3310)
algorithm
Yes
WWW-Authenticate
domain
Yes
WWW-Authenticate
noncef
No
WWW-Authenticate
opaque
No
WWW-Authenticate
qop
Yes
WWW-Authenticate
realm
No
WWW-Authenticate
stale
Yes
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