Cisco 3521 Administrator's Manual page 104

Configuring Gateway Settings
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
Figure 3-4
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.
format of such instructions.
Table 3-12
Octet
Octet 3
Administrator's Guide for Cisco IPVC 3521 BRI Gateway, Cisco IPVC 3526 PRI Gateway, and Cisco IPVC 3540 PRI Gateway
3-42
3-4.
Network Specific Facility Information Element Format
8 7 6
Network specific facilities
0 0 1
Information element identifier
Length of network specific facilities contents
Length of network identification
1 Type of network
Ext identification
0
Network identification (IA5 characters)
spare
Parameter-
1 Feature/
ized/
Exp service
binary
0
spare
Table 3-12
Octet Field Functions
Chapter 3
5 4 3
0 0 0
Network identification plan
Facility coding value
Parameterized field
describes the function of each of the Octet fields.
Function
Octet 3 represents the total number of Octet 3.X
fields required for the specific information
element, including the Octet 3 field itself.
Configuring the Cisco IPVC 3500 Series Gateway
2 1
0 0 Octet 1
Octet 2
Octet 3
Octet 3.1
Octet 3.2
Octet 4
Octet 5
Figure 3-4 represents the
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