Tech-
invite
3GPP
space
IETF
space
SIP
↠
Examples
Grammars
Presence
⇾
SIP
SIP‑URI
SIP Headers
SIP P‑Headers
SDP
Generic URI
ABNF Notation
ABNF for SIP Headers
(76 of 93)
SIP Header — Session-Expires
RFC 4028
–
Section 4
Session-Expires
=
( "
Session‑Expires
" / "
x
" )
HCOLON
delta‑seconds
*(
SEMI
se‑params
)
; example:
;
Session‑Expires: 4000;refresher=uac
se-params
=
refresher‑param
/
generic‑param
refresher-param
=
"
refresher
"
EQUAL
( "
uas
" / "
uac
" )