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Cisco Media Gateway Controller Software Release 9 Billing Interface Guide
OL-1089-11
Chapter 1 Billing Interfaces
CDE Detail Description
IAM/Setup Timepoint (Tag: 4003)
ACM/Alert Timepoint (Tag: 4004)
ANM/Answer Timepoint (Tag: 4005)
Table 1-66 IAM/Setup Timepoint Description Form
Name: IAM/Setup Timepoint Tag: 4003 Source: MDL/Engine
Description/Purpose: Timepoint for receipt of IAM/Setup (or receipt of CRM if a CRM preceded the IAM).
Format: BE Length in Octets: 4
Data Value: UNIX time format (number of seconds since January 1, 1970).
Extended Data Value: No extended value.
General Information: This message is sent in the forward direction (from the originating exchange to the terminating
exchange) to initiate seizure of an outgoing circuit and to transmit the number and other information relating to the routing
and handling of a call.
MGC Release: Release 5.0 and later.
Table 1-67 ACM/Alert Timepoint Description Form
Name: ACM/Alert Timepoint Tag: 4004 Source: MDL/Engine
Description/Purpose: Timepoint for receipt of ACM/Alert.
Format: BE Length in Octets: 4
Data Value: UNIX time format (number of seconds since January 1, 1970).
Extended Data Value: No extended value.
General Information: This message is sent in the backward direction (from the terminating exchange to the originating
exchange), indicating that all signals required for routing the call to the called party have been received.
MGC Release: Release 5.0 and later.
Table 1-68 ANM/Answer Timepoint Description Form
Name: ANM/Answer Timepoint Tag: 4005 Source: MDL/Engine
Description/Purpose: Timepoint for receipt of ANM/Answer.
Format: BE Length in Octets: 4
Data Value: UNIX time format (number of seconds since January 1, 1970).
Extended Data Value: No extended value.
General Information: This message is sent in the backward direction (from the terminating exchange to the originating
exchange), indicating that the call has been answered.
This message can be used in conjunction with the charging information to start measurement of a call duration.
MGC Release: Release 5.0 and later.