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RTCP Summary Report Delivery to SIP Third Parties
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  1. RTCP Summary Report Delivery to SIP Third Parties Alan Johnston Henry Sinnreich Alan Clark Amy Pendleton draft-johnston-sipping-rtcp-summary-02.txt

  2. Recent Changes • Definition of event package • Event parameter used to request mid-session threshold reports. Default is only end of session summary report. • Call Flows • End of session and mid-session reporting • Message body definition • Example Message draft-johnston-sipping-rtcp-summary-02.txt

  3. NOTIFY sip:collector@chicago.example.com SIP/2.0 Via: SIP/2.0/UDP pc22.example.com;branch=z9hG4bK3343d7 Max-Forwards: 70 To: <sip:collector@chicago.example.com>;tag=43524545 From: Alice <sip:alice@example.com>;tag=a3343df32 Call-ID: k3l43id034kevnx7334s CSeq: 4321 NOTIFY Contact: <sip:alice@pc22.example.com> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Event: rtcp-xr;threshold Accept: application/sdp, message/sipfrag Subscription-State: active;expires=3600 Content-Type: text/plain Content-Length: ... AlertType:rf LocalMetrics:VQMetrics: plm=loss:05 disc:02 burst=den:0 len:0 gap=den:2 len:0 delay=rt:200 es:140 signal=sig: rerl: n: qs=r:82 xr:82 ml:3.4 mc:3.3 DialogID:38419823470834;to-tag=8472761;from-tag=9123dh311 draft-johnston-sipping-rtcp-summary-02.txt

  4. Open Issues • Event package name is “rtcp-xr” • Should be more general, perhaps “summary-rpt” • Mid-session threshold summary reports • How to specify: event parameter or package name? • Event parameter could also be used to specify body format. • Negotiate threshold value when subscribing? • Format of Message body • ABNF instead of XML • Readability? • Discovery when endpoint registers • Interaction between Registrar and Collector draft-johnston-sipping-rtcp-summary-02.txt

  5. Path Forward • WG Adopt as WG item? draft-johnston-sipping-rtcp-summary-02.txt

  6. Alan Johnston alan.johnston@mci.com Henry Sinnreich Henry.sinnreich@mci.com Contacts Alan Clark alan@telchemy.com Amy Pendleton aspen@nortelnetworks.com draft-johnston-sipping-rtcp-summary-02.txt