draft-ietf-mmusic-rfc4566bis-27.txt   draft-ietf-mmusic-rfc4566bis-28.txt 
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Internet-Draft Networked Media Internet-Draft Networked Media
Obsoletes: 4566 (if approved) P. Kyzivat Obsoletes: 4566 (if approved) P. Kyzivat
Intended status: Standards Track Intended status: Standards Track
Expires: November 22, 2018 C. Perkins Expires: November 22, 2018 C. Perkins
University of Glasgow University of Glasgow
M. Handley M. Handley
UCL UCL
May 21, 2018 May 21, 2018
SDP: Session Description Protocol SDP: Session Description Protocol
draft-ietf-mmusic-rfc4566bis-27 draft-ietf-mmusic-rfc4566bis-28
Abstract Abstract
This memo defines the Session Description Protocol (SDP). SDP is This memo defines the Session Description Protocol (SDP). SDP is
intended for describing multimedia sessions for the purposes of intended for describing multimedia sessions for the purposes of
session announcement, session invitation, and other forms of session announcement, session invitation, and other forms of
multimedia session initiation. This document obsoletes RFC 4566. multimedia session initiation. This document obsoletes RFC 4566.
Status of This Memo Status of This Memo
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;typically "IP4" or "IP6" ;typically "IP4" or "IP6"
; sub-rules of 'u=' ; sub-rules of 'u='
uri = URI-reference uri = URI-reference
; see RFC 3986 ; see RFC 3986
; sub-rules of 'e=', see RFC 5322 for definitions ; sub-rules of 'e=', see RFC 5322 for definitions
email-address = address-and-comment / dispname-and-address email-address = address-and-comment / dispname-and-address
/ addr-spec / addr-spec
address-and-comment = addr-spec 1*SP "(" 1*email-safe ")" address-and-comment = addr-spec 1*SP "(" 1*email-safe ")"
dispname-and-address = 1*email-safe 1*SP "<" addr-spec "&gt;" dispname-and-address = 1*email-safe 1*SP "<" addr-spec "&gt;"
; sub-rules of 'p=' ; sub-rules of 'p='
phone-number = phone *SP "(" 1*email-safe ")" / phone-number = phone *SP "(" 1*email-safe ")" /
1*email-safe "<" phone "&gt;" / 1*email-safe "<" phone "&gt;" /
phone phone
phone = ["+"] DIGIT 1*(SP / "-" / DIGIT) phone = ["+"] DIGIT 1*(SP / "-" / DIGIT)
; sub-rules of 'c=' ; sub-rules of 'c='
connection-address = multicast-address / unicast-address connection-address = multicast-address / unicast-address
; sub-rules of 'b=' ; sub-rules of 'b='
bwtype = token bwtype = token
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;ISO 8859-1 requires "a=charset:ISO-8859-1" ;ISO 8859-1 requires "a=charset:ISO-8859-1"
;session-level attribute to be used ;session-level attribute to be used
byte-string = 1*(%x01-09/%x0B-0C/%x0E-FF) byte-string = 1*(%x01-09/%x0B-0C/%x0E-FF)
;any byte except NUL, CR, or LF ;any byte except NUL, CR, or LF
non-ws-string = 1*(VCHAR/%x80-FF) non-ws-string = 1*(VCHAR/%x80-FF)
;string of visible characters ;string of visible characters
token-char = ALPHA / DIGIT token-char = ALPHA / DIGIT
/ "!" / "#" / "$" / "%" / "&amp;" / "!" / "#" / "$" / "%" / "&"
/ "'" ; (single quote) / "'" ; (single quote)
/ "*" / "+" / "-" / "." / "^" / "_" / "*" / "+" / "-" / "." / "^" / "_"
/ "`" ; (Grave accent) / "`" ; (Grave accent)
/ "{" / "|" / "}" / "~" / "{" / "|" / "}" / "~"
token = 1*(token-char) token = 1*(token-char)
email-safe = %x01-09/%x0B-0C/%x0E-27/%x2A-3B/%x3D/%x3F-FF email-safe = %x01-09/%x0B-0C/%x0E-27/%x2A-3B/%x3D/%x3F-FF
;any byte except NUL, CR, LF, or the quoting ;any byte except NUL, CR, LF, or the quoting
;characters ()<&gt; ;characters ()<&gt;
integer = POS-DIGIT *DIGIT integer = POS-DIGIT *DIGIT
zero-based-integer = "0" / integer zero-based-integer = "0" / integer
non-zero-int-or-real = integer / non-zero-real non-zero-int-or-real = integer / non-zero-real
non-zero-real = zero-based-integer "." *DIGIT POS-DIGIT non-zero-real = zero-based-integer "." *DIGIT POS-DIGIT
; generic sub-rules: primitives ; generic sub-rules: primitives
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