FoIP…Added Complexity Computer-to-computer protocol (T.30) w/ timing requirements Synchronous modems (not just a different codec) with timing requirements For T.38, codec/media must be renegotiated and switched to SIP Timing is everything!
Participants to date Deutsche Telekom iBasis SFT OTEGLOBE TATA Telkom SA WIS Telekom Italia Sparkle Telecom Poland Telefonica Reach FSB Telenor
Testing Objectives 1.G.711 or T.38? 2.Percentage successful image transfer 3.Time of the T.38 re-Invite 4.Relationship between the re-Invite delay and call success. 5.Image errors and their reasons. 6.Connect times and image-transfer times/speeds. 7.ECM? 8.FEC or Redundancy & depth 9.Call route and success rate correlation
Test Plan Ready International Routing T.38 Problems Connection Installation