Polycom MGC Administrator Administrator's Manual page 415

MGC Administrator's Guide
Figure 7-2: System Configuration Using Destinations
Using this method, the H.320 endpoint dials a number that is comprised of the
gateway access number and the H.323 endpoint alias in E.164 format (step 1
in Figure 7-3). For example, when the H.320 endpoint dials 9251501, the
digits 925 represent the gateway access number and 1501 represent the alias
in E.164 format of the destination H.323 endpoint.
Figure 7-3: Destinations Call Flow
The carrier conveys the dial-in number to the gateway - 1501 in the example
(step 2 in Figure 7-3). The gateway sends the dial-in number to the gatekeeper
in order to locate the endpoint's IP address (step 3 in Figure 7-3). The
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