Tech-invite   3GPPspecs   Glossaries   IETFRFCs   Groups   SIP   ABNFs   Ti+   Search in Tech-invite

ABNF for SDP
RFC 4566and many other RFCs

Session Description   v=   o=   s=   i=   u=   e=   p=   c=   b=   t=  r=  z=   k=   a=   m=   SDP Addressing   SDP generic rules   "a=" SDP Attributes

unicast-address =
Top
multicast-address =
Top
IP4-address =
b1  3( "."  decimal‑uchar )
Up
b1 =
decimal‑uchar     ; less than "224"
Up
IP6-address =
6( h16  ":" )  ls32  /
"::"  5( h16  ":" )  ls32  /
[ h16 ]  "::"  4( h16  ":" )  ls32  /
[ *1( h16  ":" )  h16 ]  "::"  3( h16  ":" )  ls32  /
[ *2( h16  ":" )  h16 ]  "::"  2( h16  ":" )  ls32  /
[ *3( h16  ":" )  h16 ]  "::"  h16  ":"    ls32  /
[ *4( h16  ":" )  h16 ]  "::"  ls32  /
[ *5( h16  ":" )  h16 ]  "::"  h16  /
[ *6( h16  ":" )  h16 ]  "::"
Up
h16 =
1*4HEXDIG
Up
ls32 =
h16   ":"   h16 ) /  IP4‑address
Up
IP4-multicast =
m1  3( "."  decimal‑uchar )  "/"  ttl  [ "/"  integer ]
;  224.0.0.0 to 239.255.255.255
Up
m1 =
( "22"  ( "4" /  "5" /  "6" /  "7" /  "8" /  "9" ) ) /  ( "23"  DIGIT )
Up
ttl =
POS‑DIGIT  *2DIGIT ) /  "0"
Up
IP6-multicast =
IP6‑address  [ "/"  integer ]
Up
FQDN =
4*( alpha‑numeric /  "-" /  "." )
;  fully qualified domain name as specified in and updates
Up
Up
extn-addr =
non‑ws‑string
;  Generic for other address families
Up
Up

Top