Table of Contents
Advertisement
box. System administrators can either select any of the pre-configured NSF
settings, or choose to configure their own NSF Information Element using
service provider information.
You can specify the following information in the NSF:
The service providers with which you want their network to work.
The specific network plan and equipment with which you want your
network to work (for example, switches and bandwidth).
The specific services available to their network (for example,1-800
phone numbers).
Instructions are contained in the NSF IE fields of outgoing Q.931 setup messages
in the format shown in
Figure 3-4
Network Specific Facility Information Element Format
8
7
6
0
0
1
Length of network specific facilities contents
1
Type of network identification
ext
0
Network Identification (IA5 characters)
spare
1
Feature/
Parameterized/
Binary
Exp
Service
0
spare
NSF Information Elements contain a number of configurable Octet fields. The
values entered in these fields represent instructions contained in outgoing Q.931
Setup messages.
Figure 3-4
describes the function of each of the Octet fields.
Figure
3-4.
5
4
Network Specific Facilities
0
0
Information Element identifier
Length of network identification
Network identification plan
Facility coding value
Parameterized Field
represents the format of such instructions.
Configuring the SCOPIA Gateway
Configuring Port Settings
3
2
1
0
0
0
Table 3-22
Octet 1
Octet 2
Octet 3
Octet 3.1
Octet 3.2
Octet 4
Octet 5
137
Advertisement
Table of Contents
