How do you calculate call drop rate?

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How do you calculate call drop rate?

Call drop rate= Number of call drop times/Number of call setup success times. Number of call setup success times+1:After the Alerting message is received.

What is known as dropped call rate?

In telecommunications, the dropped-call rate (DCR) is the fraction of the telephone calls which, due to technical reasons, were cut off before the speaking parties had finished their conversational tone and before one of them had hung up (dropped calls). Such calls are classified as dropped calls.

How do I increase drop call rate?

Here are three ways to help you reduce call drop rate or abandon rates in your call center.

  1. Intelligent Distribution of Calls.
  2. Using IVRs as a Self-Help Tool.
  3. Giving Your Customers a Call Back Option.
  4. Alter the Frequency of Queue Messages.
  5. Use of CRM Integrated Software.
  6. Increase Ring Time.

What are the reasons for call drop?

Dropped calls occur when a phone call is terminated unexpectedly as a result of technical reasons, including poor network signal. Call drops happen because of inadequate coverage, quality of signal, including interference, network congestion and network failures. It happens when there is low or no signal.

How does the UE affect the call drop rate?

The UE goes to idle mode and the eNB pegs a normal release. The Call Drop Rate is ratio of total abnormal releases to the total releases. So, if the UE Inactivity timer is a small value, there will be a greater number of normal releases which can artificially reduce the CDR.

What does it mean when call drop rate is normal?

The expiry of this timer means that the UE has been inactive for some time and the eNB releases it. The UE goes to idle mode and the eNB pegs a normal release. The Call Drop Rate is ratio of total abnormal releases to the total normal releases.

Why is RRC not included in call drop rate?

Point to note is that RRC Reconfiguration for mobility command is excluded from this mechanism as the UE needs to send its response to the target cell and not to the source cell. The value of UE Inactivity timer also plays an important part in the calculation of Call Drop Rate.

What is the call drop rate in Libya?

The call drop rate of the TRI135W-1 cell corresponding to RNC1 in Libya is always around 3%, and no hardware alarm is generated. The cell coverage is mainly on the sea.