3Com VCX v7111 User Manual page 116

Routing Tables, General Parameters Screen
Figure 36
Configure the general parameters under Routing Tables according to
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Click Submit to save your changes.
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To save the changes so they are available after a power fail, see
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Routing Tables, General Parameters
Table 31
Parameter
Add Hunt Group ID as Prefix
[AddTrunkGroupAsPrefix]
Add Port Number as Prefix
[AddPortAsPrefix]
IP to Tel Remove Routing Table
Prefix
[RemovePrefix]
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Description
No [0] = Do not add hunt group ID as prefix (default).
Yes [1] = Add hunt group ID as prefix to called number.
If enabled, then the hunt group ID is added as a prefix to the destination
phone number for Tel IP calls.
This option can be used to define various routing rules.
To use this feature you must configure the hunt group IDs.
No [0] = Disable the add port as prefix service (default).
Yes [1] = Enable the add port as prefix service.
If enabled, then the gateways port number (single digit in the range 1 to 8
for 8-port gateways, two digits in the range 01 to 24 in V7111 24 PORT) is
added as a prefix to the destination phone number for Tel IP calls.
This option can be used to define various routing rules.
No [0] = Do not remove prefix (default)
Yes [1] = Remove the prefix (defined in the IP to Hunt Group Routing
table) from a telephone number for an IP Tel call, before forwarding it to
Tel.
For example:
To route an incoming IP Tel Call with destination number 21100, the IP to
Hunt Group Routing table is scanned for a matching prefix. If such prefix is
found, 21 for instance, then before the call is routed to the corresponding
hunt group the prefix (21) is removed from the original number, so that only
100 is left.
Applicable only if number manipulation is performed after call
routing for IP Tel calls (see IP to Tel Routing Mode parameter).
Similar operation (of removing the prefix) is also achieved by
using the usual number manipulation rules.
3Com
Table
Saving Configuration.
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VCX V7111 VoIP Gateway User Guide
31.