tech-invite   World Map     

3GPP     Specs     Glossaries     Architecture     IMS     UICC       IETF     RFCs     Groups     SIP     ABNFs       Search

ABNF for SDP – Session Description Protocol

|   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   |

Here        Top        Up        Prev        Next

 

|   a=3gpp_sync_info   |   a=3gpp_MaxRecvSDUSize   |   a=3gpp_mtsi_app_adapt   |   a=predefined_ROI   |   a=bw‑info   |

Up


attribute   =/
Synchronization-Info   =
"a"   "="   "3gpp_sync_info"   ":"   sync-value
;   see  Clause 6.2.6  of 3GPP TS 26.114
Up

sync-value   =
"Sync"  /  "No Sync"
Up

Max-receive-SDU-size-def   =
"a"   "="   "3gpp_MaxRecvSDUSize"   ":"   size-value
;   see  Clause 12.2.4.6.1  of 3GPP TS 26.114
Up

size-value   =
1*5DIGIT
;  0 to 65535 in octets
Up

adaptation-attribute   =
"a"   "="   "3gpp_mtsi_app_adapt"   ":"   reqName   *( ","   reqName )
;   see  Clause 10-2-3  of 3GPP TS 26.114
Up

reqName   =
"RedReq"  /  "FrameAggReq"  /  "AmrCmr"  /  "EvsRateReq"  /  "EvsBandwidthReq"  /  "EvsParRedReq"  /  "EvsIoModeReq"  /  "EvsPrimaryModeReq"
Up

predefined_ROI   =
"a"   "="   "predefined_ROI"   ":"   PT   WSP   attr-list
;   see  Clause 6-2-3-4  of 3GPP TS 26.114
Up

PT   =
1*DIGIT  /  "*"
Up

attr-list   =
set   *( 1*WSP   set ) )  /  "*"
Up

set   =
"["   "ROI_ID="   idvalue   ","   "Position_X="   posvalue   ","   "Position_Y="   posvalue   ","   "Size_X="   sizevalue   ","   "Size_Y="   sizevalue   ","   "Name="   namevalue   "]"
Up

idvalue   =
onetonine   *2DIGIT
;  Digit between 1 and 9 that is followed by 0 to 2 other digits
Up

posvalue   =
sizevalue  /  "0"
;  position may be "0"
Up

sizevalue   =
onetonine   *5DIGIT
;  Digit between 1 and 9 that is followed by 0 to 5 other digits
Up
Up

onetonine   =
"1"  /  "2"  /  "3"  /  "4"  /  "5"  /  "6"  /  "7"  /  "8"  /  "9"
Up
Up

namevalue   =
bw-attrib   =
"a=bw‑info:"   pt‑def   SP   direction   SP   bw‑def   *( ";"   [SP]   bw‑def )
;   see  Clause 19-3  of 3GPP TS 26.114
Up

pt-def   =
"*"  /  pt-val   *( ","   pt-val )
Up

pt-val   =
1*3DIGIT
Up

direction   =
"send"  /  "recv"  /  "sendrecv"  /  direction-ext
Up

direction-ext   =
1*VCHAR
Up

bw-def   =
bw-name   "="   bw-val-def
Up

bw-name   =
1*VCHAR
Up

bw-val-def   =
bw-val-def-ext   =
zero-based-int-or-real   =
zero-based-integer   =
"0"  /  integer
Up

non-zero-real   =

Up