Download - Definition of Call Drop
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Definition of Call Drop
Type of Call Drop Definition
• Call termination not through the normal hang up process, that is dropped calls.
• Tow types of call drop definition:
o Definition of drive test indicators
o Definition of network management indicators
Definition of Drive Test Indicators
• The definition of drive test:
o Call drop rate= Numer of call drop times!Numer of call setup success
times
o Numer of call setup success times"#:$fter the $lerting message is
received
• Numer of call drop times"#:%$ir interface signaling at the &' side(
o The Connect $C) message is not received ut the *ystem Informationmessage is received.
o $fter the Connect $C) message is received, ++C +elease message
received and the reasons is Not Normal.
o $fter the Connect $C) message is received, any of the CC Disconnect,
CC +elease, CC +elease Complete message received and the reasons isNot Normal.
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&' oluntarily Initiated *ignaling +elease
Definitions of Network -anagement Indicators
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Definitions of Network -anagement Indicators