Specifications
Calling Features
Services and Features
C-6 68P81095E55-E August 08, 2000
Switch-based Data Collection
Item Description
Traffic Data (Operational
Measurements)
The MSC provides the ability to collect and maintain
metrics on the traffic on the system. These metrics are
defined in the appropriate software release
documentation. The appropriate documentation is
provided by the MSC manufacturer.
GSM Call Detail Records
(GCDR)
The MSC collects a full set of call record information.
Call Detail Records (CDRs) can be handled in two ways:
• 9-track tape with all Call Detail Records for a given
period to the customer provided Billing Vendor.
• File Transfer Access Method (FTAM) protocol
directly to the Billing System in a real time format.
Direct transfer requires activation of the Near Real Time
Billing software on the MSC and the inclusion of the
optional Billing Server platform.
Call Handling
Measurements
This feature introduces the following operational
enhancements to assist network operations: Average Call
Setup time for voice and data calls, Average Holding
time for voice and data calls, attempted and successful
Authentication Procedures in the MSC-VLR, and
attempted and successful Mobile Terminated Short
Messages.
Handover Operational
Measurements (OMs)
This feature introduces several new operational
measurements to better track MS handover statistics,
including:
Handoff Causes
Uplink / Downlink strength
Uplink / Downlink Quality
Distance
OMC intervention
Better Cell
MSC Invocation
Unsuccessful Handovers (dropped call or old cell
reconnect)










