C H A P T E R 2

MGC Info Field Reference

This chapter provides additional information about the MGC Info Field (Tag 4031), described in Chapter 1, “Billing Interfaces” The MGC info field consists of several subfields, that are stored in the value section of the VSC info field. These subfields contain no tags or values. The MGC Info field provides the customer with backward compatibility to Cisco MGC Software Release 5.0 and earlier.

MGC Info Subfields

Table 2-1describes each MGC Info subfield, including its exact position in the value section of the VSC info field.

Table 2-1

MGC Info Subfields

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Location

 

Field Name

 

Description

Value/Encoding Scheme

(Position)

Size

 

 

 

 

 

 

In Signal path ID

This is the ID for the originating

C7 – Component ID for the

1

(first octet)

2

 

 

Signal Path

Point Code

 

 

 

 

 

 

Binary Big-endian

 

 

 

 

 

 

 

 

 

In traffic channel ID

This is the ID for the originating

Binary Big-endian

3

(start at

2

 

 

traffic Channel

 

 

third octet)

 

 

 

 

 

 

 

 

 

In protocol ID

 

This is the numeric representation

0

= ISDN PRI

5

 

1

 

 

of the protocol family for the

1

= C7

 

 

 

 

 

originating side

2

= DPNSS

 

 

 

 

 

 

3

= CAS

 

 

 

 

 

 

4

= ASN

 

 

 

 

 

 

5

= Unknown

 

 

 

 

 

 

Binary Big-endian

 

 

 

 

 

 

 

 

 

Out Signal path ID

This is the ID for the terminating

C7 – Component ID for the

6

 

2

 

 

Signal Path.

Point Code

 

 

 

 

 

 

Binary Big-endian

 

 

 

 

 

 

 

 

 

Out traffic channel ID

This is the ID for the terminating

(Binary Big-endian

8

 

2

 

 

traffic Channel

 

 

 

 

 

 

 

 

 

 

 

 

 

Cisco Media Gateway Controller Software Release 9 Billing Interface Guide

 

OL-1089-11

2-1

 

 

 

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Cisco Systems OL-1089-11 manual MGC Info Field Reference, MGC Info Subfields