3Com VCX v7111 User Manual page 121

Source phone prefix
Source IP address
The call is then sent to the VoIP gateway channels assigned to that hunt group. The specific
channel, within a hunt group, that is assigned to accept the call is determined according to
the hunt groups channel selection mode which is defined in the Hunt Group Settings table
(see Configuring the Hunt Group
ChannelSelectMode (see
gateways; however, usually they are used with FXO gateways.
When a release reason that is defined in the Reasons for Alternative IP to Tel
Routing table is received for a specific IP Tel call, an alternative hunt group for that
call is available. To associate an alternative hunt group to an incoming IP call, assign
it with an additional entry in the IP to Hunt Group Routing table (repeat the same
routing rules with a different hunt group ID). For detailed information on the Reasons
for Alternative Routing Tables,
To use hunt groups you must also do the following.
You must assign a hunt group ID to the VoIP gateway channels on the Endpoint Phone
Number screen. For information on how to assign a hunt group ID to a channel,
Configuring the Endpoint Phone
You can configure the Hunt Group Settings table to determine the method in which new
calls are assigned to channels within the hunt groups (a different method for each hunt
group can be configured). For information on how to enable this option, see
the Hunt Group Settings. If a Channel Select Mode for a specific hunt group is not
specified, then the global Channel Select Mode parameter (defined in General
Parameters screen under Advanced Parameters) applies.
To configure the IP to Hunt Group Routing table:
Open the IP to Hunt Group Routing screen (Protocol Management menu > Routing
1
Tables submenu > IP to Hunt Group Routing option); the IP to Hunt Group Routing table
screen is displayed.
IP to Hunt Group Routing Table Screen
Figure 38
®
3Com VCX V7111 VoIP Gateway User Guide
Settings) or according to the global parameter
Table 23). Hunt groups can be used on both FXO and FXS
Reasons for Alternative
Numbers.
Routing.
Configuring
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