Measurement Counter
ZTA03418:BSCRPT_VBS_ASS_FAIL
Description
During the establishment of the VBS, the MSC sends a VGCS/VBS ASSIGNMENT REQUEST message to the BSC for setting up a VBS channel. If the assignment is successful, the BSC sends a VGCS/VBS ASSIGNMENT RESULT message to the MSC; otherwise, the BSC sends a VGCS/VBS ASSIGNMENT FAILURE message to the MSC. This measurement provides the number of VBS ASSIGNMENT FAILURE messages that the BSC sends to the MSC.
Unit
Integer number or integer.
Measurement Point
At the end of each granularity period, this counter is measured by using the following formula. For details, see Unsuccessful VBS Assignment.
Formula
Failed VBS Assignments per BSC = 
Unsuccessful VBS Assignment
(That is, the total of the counter Unsuccessful VBS Assignment in each cell of the BSC.)