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Denial Events
128 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
Cause Values and their meanings/interpretations
See Table 49: ISDN, IP, and SIP-generated denial events (1173 - 1224) on page 189 for the
Denial Events that show Cause Value information (Cause Value, Location Code, and Diagnostic
Code) in Event Data 2 fields.
Event Data 2 sometimes contains data that represents the Cause Value (CV) (required), Cause
Value Diagnostic (DIAG) (optional), Location Code (LC) (optional) from the denial event. This
information (DIAG/LOC/CV) is coded as a 32 bit hexadecimal number, divided into 8-bit fields.
● The least significant (right most) two digits are the Cause Value in hexadecimal.
● The next two digits to the left are the Location Code (optional) in hexadecimal. See
Table 42: Location Code definitions
on page 130.
● The next two digits to the left are the Diagnostic Code (optional) in hexadecimal.
● The most significant (left most) two digits are not used.
See Table 39: Event Data 2 layout
on page 128.
Interpreting Event Data 2 Cause Value information
In our example, we will use Denial Event 1178 with Event Data 1 and Event Data 2.
1. Note the information under the Event Data 2 column: 0x429.
● 0x29 is the Cause Value.
● 0x4 is the Location Code.
● 0x00 is the Diagnostic Code (not provided for this denial event).
Table 39: Event Data 2 layout
8 bits 8 bits 8 bits 8 bits
NOT USED Diagnostic Code
(DIAG) (optional)
Zero + Location Code in lower 4 bits
(LOC) (optional)
Cause Value
(CV) (required)
display events denial Page 1 of 1
EVENTS REPORT
Event Event Event Event First Last Evnt
Type Description Data 1 Data 2 Occur Occur Cnt
1178 Normal Call Clearing 0x64 0x429 01/09/09:53 01/09/09:53 1