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SDP attributes defined in RFC 3611

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RTP Control Protocol Extended Reports
rtcp-xr

RFC 3611 – Section 5.1

IANA RTCP XR SDP Parameters Registry

a=rtcp-xr:   (session- or media-level)


attribute-fields   =/
rtcp-xr-attrib   =
"a="   "rtcp-xr"   ":"   [ xr-format   *( SP   xr-format ) ]   CRLF

xr-format   =
pkt-loss-rle  /     ;  see  RFC 3611
pkt-dup-rle  /     ;  see  RFC 3611
pkt-rcpt-times  /     ;  see  RFC 3611
rcvr-rtt  /     ;  see  RFC 3611
stat-summary  /     ;  see  RFC 3611
voip-metrics  /     ;  see  RFC 3611
pkt-loss-rle-post  /     ;  see  RFC 5725 – Section 4
multicast-acq-ext  /     ;  see  RFC 6332 – Section 5
ecn-summary-par  /     ;  see  RFC 6679 – Section 6.3
xr-pdv-block  /     ;  see  RFC 6798 – Section 4
xr-delay-block  /     ;  see  RFC 6843 – Section 4.1
xr-bgl-block  /     ;  see  RFC 6958 – Section 5.1
xr-tpid-block  /     ;  see  RFC 6990 – Section 4.1
xr-pdc-block  /     ;  see  RFC 7002 – Section 4.1
xr-bgd-block  /     ;  see  RFC 7003 – Section 5.1
xr-bglss-block  /  xr-bgdss-block  /  xr-fiss-block  /     ;  see  RFC 7004 – Section 5.1
xr-djb-block  /     ;  see  RFC 7005 – Section 5.1
xr-discard-rle  /     ;  see  RFC 7097 – Section 5
xr-discard-bytes  /     ;  see  RFC 7243 – Section 5
xr-rfisd-block  /  xr-rfso-block  /     ;  see  RFC 7244 – Section 5.1
xr-mos-block  /     ;  see  RFC 7266 – Section 4.1
xr-conceal-block  /  xr-conc-sec-block  /     ;  see  RFC 7294 – Section 5.1
xr-tpd-block  /     ;  see  RFC 7380 – Section 4.1
xr-prlr-block  /     ;  see  RFC 7509 – Section 4.1
format-ext

pkt-loss-rle   =
"pkt-loss-rle"   [ "="   max-size ]

pkt-dup-rle   =
"pkt-dup-rle"   [ "="   max-size ]

pkt-rcpt-times   =
"pkt-rcpt-times"   [ "="   max-size ]

rcvr-rtt   =
"rcvr-rtt"   "="   rcvr-rtt-mode   [ ":"   max-size ]
rcvr-rtt-mode   =
"all"  /  "sender"

stat-summary   =
"stat-summary"   [ "="   stat-flag   *( ","   stat-flag ) ]
stat-flag   =
"loss"  /  "dup"  /  "jitt"  /  "TTL"  /  "HL"

voip-metrics   =
"voip-metrics"

pkt-loss-rle-post   =
"post-repair-loss-rle"   [ "="   max-size ]

multicast-acq-ext   =
"multicast-acq"

ecn-summary-par   =
"ecn-sum"

xr-pdv-block   =
"pkt-dly-var"   [ ","   pdvtype ]   [ ","   nspec   ","   pspec ]
pdvtype   =
"pdv=" ( "0"  / "1"  / 1*2DIGIT )
;  0: MAPDV2 ITU-T G.1020
;  1: 2-point PDV ITU-T Y.1540
nspec   =
( "nthr="   fixpoint )  / ( "npc="   fixpoint )
;   negative PDV threshold (ms) or percentile
pspec   =
( "pthr="   fixpoint )  / ( "ppc="   fixpoint )
;   positive PDV threshold (ms) or percentile
fixpoint   =
1*DIGIT   "."   1*DIGIT
;   fixed point decimal

xr-delay-block   =
"delay"

xr-bgl-block   =
"burst-gap-loss"

xr-tpid-block   =
"ts-psi-indep-decodability"

xr-pdc-block   =
"pkt-discard-count"

xr-bgd-block   =
"burst-gap-discard"

xr-bglss-block   =
"burst-gap-loss-stat"

xr-bgdss-block   =
"burst-gap-discard-stat"

xr-fiss-block   =
"frame-impairment-stat"

xr-djb-block   =
"de-jitter-buffer"

xr-discard-rle   =
"discard-rle"

xr-discard-bytes   =
"discard-bytes"

xr-rfisd-block   =
"rtp-flow-init-syn-delay"

xr-rfso-block   =
"rtp-flow-syn-offset"

xr-mos-block   =
"mos-metric"   [  "="   calgextmap   *( ","   calgextmap )   ]
calgextmap   = direction   =
"sendonly"  /  "recvonly"  /  "sendrecv"  /  "inactive"
mapentry   =
"calg:"   1*3DIGIT   [ "/"   direction ]
;  values in the range 1-255 are valid
;  if needed, 0 can be used to indicate
;  that an algorithm is rejected
extensionname   =
"P564"  /     ;  ITU-T P.564 Compliant Algorithm
"G107"  /     ;  ITU-T G.107
"G107_1"  /     ;  ITU-T G.107.1
"TS101_329"  /     ;  ETSI TS 101 329-5 Annex E
"JJ201_1"  /     ;  TTC JJ201.1
"P1201_1"  /     ;  ITU-T P.1201.2
"P1201_2"  /     ;  ITU-T P.1201.2
"P1202_1"  /     ;  ITU-T P.1202.1
"P1202_2"  /     ;  ITU-T P.1202.2
"P.862.2"  /     ;  ITU-T P.862.2
"P.863"  /     ;  ITU-T P.863
non-ws-string
extensionattributes   = mosref   =
"mosref="   ( "l"  /  "m"  /  "h"  /  non-ws-string )
;   lower, middle, higher resolution
attributes-ext   =
xr-conceal-block   =
"loss-conceal"

xr-conc-sec-block   =
"conc-sec"   [ "="   thresh ]
thresh   =
1*DIGIT

xr-tpd-block   =
"ts-psi-decodability"

xr-prlr-block   =
"post-repair-loss-count"

max-size   =
1*DIGIT

format-ext   =