Figure 1 / H.323 - Interoperability of H.323 terminalsFigure 2 / H.323 - Mixed multipoint conferenceFigure 3 / H.323 - ZoneFigure 4 / H.323 - H.323 terminal equipmentFigure 5 / H.323 - H.323 gateway configurationsFigure 6 / H.323 - Possible locations of MC and MP in H.323 systemFigure 7 / H.323 - Auto DiscoveryFigure 8 / H.323 - RegistrationFigure 9 / H.323 - Gatekeeper routed call signallingFigure 10 / H.323 - Direct endpoint call signallingFigure 11 / H.323 - Direct H.245 control channel connection between endpointsFigure 12 / H.323 - Gatekeeper routed H.245 controlFigure 13 / H.323 - Basic call set-up, no GatekeepersFigure 14 / H.323 - Both Endpoints Registered, Same Gatekeeper - Direct Call SignallingFigure 15 / H.323 - Both Endpoints Registered,
same Gatekeeper - Gatekeeper routed call signallingFigure 16 / H.323 - Only calling endpoint registered - Direct call signallingFigure 17 / H.323 - Only calling endpoint registered - Gatekeeper routed call signallingFigure 18 / H.323 - Only called endpoint registered - Direct call signallingFigure 19 / H.323 - Only called endpoint registered - Gatekeeper routed call signallingFigure 20 / H.323 - Both endpoints registered - Both gatekeepers direct call signallingFigure 21 / H.323 - Both endpoint registered - Direct / routed call signallingFigure 22 / H.323 - Both endpoint registered - Routed / direct call signallingFigure 23 / H.323 - Both endpoint registered - Both Gatekeepers routing call signallingFigure 24 / H.323 Optional Called Endpoint SignallingFigure 25 / H.323 - Bandwidth change request - Transmitter changeFigure 26 / H. 323 - BANDWIDTH CHANGE Request - Receiver Changefigure 27/H.323 - MC INVITE SIGNALLINGFIGURE 28 / H.323 - NON-MC INVITE SIGNALLINGFIGURE 29 / H.323 - MC JOIN SIGNALLINGFIGURE 30 / H.323 - NON -MC join signallingFigure 31 / H.323 - Gatekeeper routed invite signallingFigure 32 / H.323 - Gatekeeper routed join signallingFigure 33 / H.323 - Endpoint initiated call clearingFigure 34 / H.323 - Gatekeeper initiated call clearingFigure 35 / H.323 - Loop backFigure B.1 / H.323 - Model with layered videoFigure B.2 / H.323 - Endpoints attach to one or more layers according to bandwidthFigure B.3 / H.323 - Endpoints attach to single Layer according to bandwidthFigure C. 1 / H.323 - Architecture for H.323 on ATM-AAL5Figure C.2 / H.323 -. H.323 call establishment showing ATM effect ATM VC's used unidirectionallyFigure C.3 / H.323 - H.323 call establishment showing ATM Effect. ATM VC'S Used BidirectionallyFigure II.1 / H.323 - Resource Reservation for a point
