Cisco 3521, Руководство администратора

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Administrator’s Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
OL-7995-01
Chapter 3 Configuring the Cisco IPVC 3500 Series Gateway
Configuring Gateway Settings
Adding or Editing ISDN Information Elements
Procedure
Step 1 In the Gateway interface, on the sidebar, click Gateway (if not already selected).
Step 2
Click the applicable PRI Port tab.
Step 3 Click the Advanced ISDN button.
Step 4
Click Add to add a new ISDN information element or select an existing one and click Edit to modify it.
The Add or Edit ISDN Information Elements dialog box appears.
Step 5
In the Prefix field, enter or edit the prefix for the ISDN information element. If you set this field to
Default , it cannot be edited after you create the element.
Step 6 In the Description field, enter or edit the description of the ISDN information element. If you set this
field to Default , it cannot be edited after you create the element.
Step 7
In the Numbering Plan Identification (NPI) field, choose an NPI code for the ISDN information
element.
Step 8 In the Type of Number (TON) field, choose a TON code for the ISDN information element.
Step 9
In the Maximum digits send field, enter the number of digits (up to a maximum of 32) allowed for
outbound dialing.
Step 10 In the DN Manipulation field, you can configure the stripping of the ISDN information prefix number
from the outbound dialed number.
The options in this field vary according to the options set in the Prefix and Type of Number (TON) fields.
Table 3-16 details the possible variations
Step 11 In the Network Specific Facility (NSF) field, make one of the following selections:
a.
Choose one of the pre-configured settings or choose None to not configure any NSF information
elements. Table 3-17 lists the pre-configured settings.
Table 3-16 DN Manipulation Option Variations
Prefix Field
Type of Number (TON)
field
DN Manipulation Options
Default Local None, Append Local Area Code
Default Any except Local None
Any except Default Any None, Strip Prefix
Table 3-17 Pre-configured NSF Settings
Pre-configured Setting
Information Element (IE) Octets
IE 1 Octets IE 2 Octets
3 3.1 3.2 3.2 3.2 4 3 4 5
AT&T Accunet
4 A1 32 38 38 E6
AT&T Megacom
4 A1 32 38 38 E3
AT&T Megacom 800
4 A1 32 38 38 E2
AT&T SDDN
4 A1 32 38 38 E1