SIP ↠
Examples
Grammars
Presence ⇾
See also: Accept‑Contact Reject‑Contact Request‑Disposition
Contact =
contact-param =
contact-params =
c-p-q =
c-p-expires =
feature-param =
enc-feature-tag =
base-tags =
other-tags =
ftag-name =
tag-value-list =
tag-value =
token-nobang =
boolean =
numeric =
numeric-relation =
number =
string-value =
qdtext-no-abkt =
c-p-reg =
c-p-instance =
instance-val =
temp-gruu =
pub-gruu =
contact-extension =
ABNF for SIP Headers
(14 of 93)
SIP Header — Contact
Section 20.10 of RFC 3261 and ABNF in RFC 3261See also: Accept‑Contact Reject‑Contact Request‑Disposition
Contact =
contact-param =
contact-params =
c‑p‑q /
c‑p‑expires /
; see RFC 3261
feature‑param / ; see RFC 3840 – Section 9
c‑p‑reg / c‑p‑instance / ; see RFC 5626 – Section 10
temp‑gruu / pub‑gruu / ; see RFC 5627 – Section 7
temp‑gruu‑cookie / ; see RFC 6140 – Section 9.3
mp‑param / rc‑param / np‑param / ; see RFC 7044 – Section 14.3
contact‑extension
feature‑param / ; see RFC 3840 – Section 9
c‑p‑reg / c‑p‑instance / ; see RFC 5626 – Section 10
temp‑gruu / pub‑gruu / ; see RFC 5627 – Section 7
temp‑gruu‑cookie / ; see RFC 6140 – Section 9.3
mp‑param / rc‑param / np‑param / ; see RFC 7044 – Section 14.3
contact‑extension
c-p-q =
c-p-expires =
feature-param =
enc-feature-tag =
base-tags =
"audio" /
"automata" /
"class" /
"duplex" /
"data" /
"control" /
"mobility" /
"description" /
"events" /
"priority" /
"methods" /
"schemes" /
"application" /
"video" /
"language" /
"type" /
"isfocus" /
"actor" /
"text" /
"extensions"
other-tags =
"+"
ftag‑name
ftag-name =
tag-value-list =
tag-value =
token-nobang =
boolean =
"TRUE" /
"FALSE"
numeric =
numeric-relation =
number =
string-value =
qdtext-no-abkt =
LWS /
%x21 /
%x23‑3B /
%x3D /
%x3F‑5B /
%x5D‑7E /
UTF8‑NONASCII
c-p-reg =
c-p-instance =
instance-val =
*uric
temp-gruu =
pub-gruu =
contact-extension =