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Today:

Today:. Time slot booking for project demo Quiz answers. Complaints about grades:. No complaint today Take time to digest the answers / grades Time slot for complaint: - Tuesday, April 12, 15 h – 17h00 - My office: CB-410-11, 1425 Rene Levesque Boulevard. Time slot. April 12

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Today:

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  1. Today: • Time slot booking for project demo • Quiz answers

  2. Complaints about grades: • No complaint today • Take time to digest the answers / grades • Time slot for complaint: • - Tuesday, April 12, 15 h – 17h00 • - My office: CB-410-11, 1425 Rene Levesque Boulevard

  3. Time slot • April 12 • April 14

  4. Quiz #1 . A+ A- B+ B- C+ C- (25-23) (22-20) (19-17) (16-13) (12-10) (9-7) 5 7 4 3 1 0

  5. Quiz #2 . A+ A A- B+ B B- C (35-33) (32-31) (30-28) (27-25) (24-22) (21-19) 18 and below 6 3 3 2 1 3

  6. Question 1 - Call transfert and its two forms: See course notes Grading scheme 1 point: definition 1 point: blind transfer 1 point: unblind transfer

  7. Question 1 - Parameter may be B or/and C Method of the servlet infrastructure: doInvite () Grading scheme - 0.5 if doInvite () is not identified

  8. Question 1 - • Several possibilities • Grading scheme • 0 if there is a misunderstanding of the basic concepts • -2 if B and C are not connected at the end • -2 if A and B remain connected at the end

  9. Question 2 - Parlay business model and equivalent in TINA-C: See course notes Dial in conference: See course notes

  10. Question 2 - • Pretty straightforward sequence diagram • Grading scheme • 0 misunderstanding of basic concepts (e.g. gateway sending INVITE to participants) • - 2 bad sequences

  11. Question 2 - • CPL constructs • See course notes

  12. Question 3 - • Equivalence of Web service roles in Parlay business model • Web services is from the Internet world • No concept of subscription / retailer / third party providers • Web services requestor: client application • Web service broker: Framework operator • Web service provider: No actual mapping because the owner of the services offered in Parlay (I.e network operator does not appear explicitely in the model)

  13. Question 3 - Fundamentals principles of Web services: See course notes

  14. Question 3 - • 1 way of doing it • Grading scheme • 0 for misunderstanding of basic concepts (e.g. a Parlay request sent to user A who understand only SIP) • -1 for bad sequencing (ACK cannot be sent before Attachmedia is received – See course notes and journal paper)

  15. Question 4 - See course notes

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