Configuring The Routing Tables - 3Com VCX v7111 User Manual

Configure the Phone Context table according to
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Click the Submit button 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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Several rows with the same NPI-TON or Phone-Context are allowed. In such a scenario, a Tel-to-
IP call uses the first match.
Phone-Context '+' is a unique case as it doesn't appear in the Request-URI as a Phone-Context
parameter. Instead, it is added as a prefix to the phone number. The '+' isn't removed from the
phone number in the IP-to-Tel direction.
Phone-Context Parameters
Table 30
Parameter
Add Phone Context As Prefix
[AddPhoneContextAsPrefix]
NPI
TON
Phone Context

Configuring the Routing Tables

Use this submenu to configure the gateways IP Tel and Tel IP routing tables and their
associated parameters.
General Parameters
Use this screen to configure the gateways IP Tel and Tel IP routing parameters.
To configure the general parameters under Routing Tables:
Open the General Parameters screen (Protocol Management menu > Routing Tables
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submenu > General option); the General Parameters screen is displayed.
®
3Com VCX V7111 VoIP Gateway User Guide
Description
Determines whether or not the received Phone-Context parameter is added as a
prefix to the outgoing ISDN SETUP Called and Calling numbers.
Valid options include:
0 = Disable (default).
1 = Enable.
Select the Number Plan assigned to this entry.
You can select the following:
0 = Unknown (default)
1 = E.164 Public
9 = Private
Select the Number Type assigned to this entry.
If you selected Unknown as the NPI, you can select Unknown (0)
If you selected Private as the NPI, you can select Unknown (0), Level 2
Regional (1), Level 1 Regional (2), PSTN Specific (3), or Level 0 Regional
(Local) (4).
If you selected E.164 Public as the NPI, you can select Unknown (0),
International (1), National (2), Network Specific (3), Subscriber (4), or
Abbreviated (6).
The Phone-Context SIP URI parameter.
Table 30.
Saving Configuration.
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