Tech-invite  3GPPspace  IETFspace
SIP ↠  Examples  Grammars  Presence ⇾
SIP  SIP‑URI  SIP Headers  SIP P‑Headers  SDP  Generic URI  ABNF Notation
Session Description  Addressing  generic rules  "a=" SDP Attributes
List   Prev   Next
SDP attributes defined in

RFC 6364 – SDP Elements for the FEC Framework

RFC 6364 – Section 4.4
a=fec‑repair‑flow   a=repair‑window   a=fec‑source‑flow

 

attribute-fields  =/
fec‑repair‑flow‑line /  repair‑window‑line /  fec‑source‑flow‑line
fec-repair-flow-line =
"a=fec‑repair‑flow:"  SP  fec‑encoding‑id  [ ";"  SP  flow‑preference ]
[ ";"  SP  sender‑side‑scheme‑specific ]  [ ";"  SP  scheme‑specific ]  CRLF
Top
fec-encoding-id =
"encoding‑id="  enc‑id
Up
enc-id =
1*DIGIT
Up
flow-preference =
"preference‑lvl="  preference‑level‑of‑the‑flow
Up
preference‑level‑of‑the‑flow =
1*DIGIT
Up
sender-side-scheme-specific =
"ss‑fssi="  sender‑info
Up
sender-info =
element  *( ","  element )
Up
scheme-specific =
"fssi="  scheme‑info
Up
scheme-info =
element  *( ","  element )
Up
repair-window-line =
"a=repair‑window:"  window‑size  unit  CRLF
Top
window-size =
%x31‑39   *DIGIT
; represented as 32‑bit non-negative integers
Up
unit =
"ms" /  "us"
Up
fec-source-flow-line =
"a=fec‑source‑flow:"  SP  source‑id  [ ";"  SP  tag‑length ]  CRLF
Top
source-id =
"id="  src‑id
Up
src-id =
1*DIGIT
; represented as 32‑bit non-negative integers, and leading zeros are ignored
Up
tag-length =
"tag‑len="  tlen
Up
tlen =
%x31-39   *DIGIT
Up
element =
name  ":"  value
Up
Up
name =
token
Up
token =
1*<any CHAR except CTLs or separators>
Up
value =
*<any CHAR except CTLs or separators>
Up
separator =
"(" /  ")" /  "<" /  ">" /  "@"   /
"," /  ";" /  ":" /  "\" /  DQUOTE   /
"/" /  "[" /  "]" /  "?" /  "="   /
"{" /  "}" /  SP /  HTAB
Up
Up

Top