Server Alarms - Avaya Support

Table 51: Cause Value Classes and Ranges 2 of 2
Number range Cause Value Class
81 to 95 Invalid Message Class Cause Values on page 184
Cause Values
Normal Class Cause Values
Cause Value (empty)
Event Data
[ ] -
Normal call clearing (1TR6: AT&T ISDN Protocol)
The call was disconnected normally by either end hanging up.
This Cause Value has end-to-end significance and should always be passed back through the
network to the user.
Cause Value 00
[0x0/0x80] -
Normal disconnect
The call was disconnected normally by either end hanging up. Most equipment uses Cause
Value 16 to report normal disconnect.
Cause Value 01
● 92-94 unassigned
96 to127 Protocol Error Class Cause Values on page 188
● 104-109, 116-126 unassigned
2 of 2
[0x1/0x81] -
Unassigned (Unallocated number)/
Invalid Call Reference Value (CRV) (1TR6: AT&T ISDN Protocol)
The call could not be completed because the number requested in the SETUP message is not
assigned/allocated by the ISDN network.
This Cause Value has end-to-end significance and should always be passed back through the
network to the user.
See also Cause Value 22 on page 166 and Cause Value 56 on page 177.
Communication Manager Release 5.0 Issue 4 January 2008 157