Cisco WS-X4604-GWY - VoIP Gateway Especificaciones Pagina 116

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Chapter 5 Dial Plan Architecture and Configuration
Cisco CallManager Dial Plan Architecture
5-8
Cisco IP Telephony Network Design Guide
78-11103-03
Devices
All IP endpoints are viewed as devices, but only certain devices can be entered in
a route group. Figure 5-3 illustrates the types of devices that can be in route
groups.
Figure 5-3 Device Types to Which Route Groups Point
The following notes apply to the devices in Figure 5-3:
An H.323 gateway can be configured to be gatekeeper controlled. This means
that, before a call is placed to an H.323 device, it must query the gatekeeper
successfully. Only H.323 devices that are remote Cisco CallManagers should
be configured as gatekeeper controlled.
To select the codec used by calls to the device, place the device in a region
that uses the desired type of codec.
H.323 gateways can be shared by multiple clusters for inbound and outbound
calls, whereas gateways based on MGCP or Skinny Gateway Protocol are
dedicated to a single Cisco CallManager cluster.
V V
Route
group
Skinny based MGCP based H.323 based H.323 based
Cisco Access Digital Trunk Gateway DT-24+
Catalyst 6000 gateways
Cisco Access Analog Trunk Gateway
Cisco Access Analog Station Gateway
VG200
Configured as:
Device protocol=H.225
Configured as:
Device protocol=Intercluster trunk
All Cisco IOS
gateways
Remote
Cisco CallManger
40796
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