HP FlexNetwork MSR Series Configuration Manual page 232

process. This is how the gatekeeper controls admission. In the ARQ message sent to the gatekeeper,
the calling endpoint might ask for direct call signaling (see
Figure
signaling (see
endpoint and notifies the calling endpoint of it through an Admission_Confirm (ACF) message.
Figure 67 Direct call signaling between endpoints
Endpoint 1
(1) ARQ
(2) ACF/ARJ
(3) Setup
RAS Messages
Call Signaling Messages
Figure 68 Gatekeeper-routed call signaling
68). The gatekeeper finalizes the way of sending call signaling to the called
GateKeeper 1
219
Figure
Endpoint 2
(4) Call Proceeding
(5) ARQ
(6) ACF/ARJ
(7) Alerting
(8) Connect
67) or gatekeeper-routed call