1. RTCP Summary Report Delivery to SIP Third Parties
Alan Johnston
Henry Sinnreich
Alan Clark
Amy Pendleton
IETF-59
draft-johnston-sipping-rtcp-summary-02.txt

2. Recent Changes Definition of event package Call Flows
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
IETF-59
draft-johnston-sipping-rtcp-summary-02.txt

3. NOTIFY sip:collector@chicago. example. com SIP/2. 0 Via: SIP/2
NOTIFY SIP/ Via: SIP/2.0/UDP pc22.example.com;branch=z9hG4bK3343d Max-Forwards: To: From: Alice Call-ID: k3l43id034kevnx7334s CSeq: 4321 NOTIFY Contact: Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY Event: rtcp-xr;threshold Accept: application/sdp, message/sipfrag Subscription-State: active;expires= Content-Type: text/plain Content-Length: AlertType:rf LocalMetrics:VQMetrics: plm=loss:05 disc: burst=den:0 len: gap=den:2 len: delay=rt:200 es: signal=sig: rerl: n: qs=r:82 xr:82 ml:3.4 mc: DialogID: ;to-tag= ;from-tag=9123dh311
IETF-59
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
IETF-59
draft-johnston-sipping-rtcp-summary-02.txt

5. Path Forward WG Adopt as WG item? IETF-59
draft-johnston-sipping-rtcp-summary-02.txt

6. Contacts Alan Johnston alan.johnston@mci.com Henry Sinnreich
Alan Clark
Amy Pendleton
IETF-59
draft-johnston-sipping-rtcp-summary-02.txt