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Mute Call

The document provides details on the counter for detecting silence in uplink for AMR calls per RNC, specifically Counter ID 73422075. It describes how the RNC measures silence detection by analyzing speech frames every two seconds and outlines the conditions under which silence is recorded. Additionally, it references related features and indicates that no specific formula or unit is provided for this counter.

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45 views2 pages

Mute Call

The document provides details on the counter for detecting silence in uplink for AMR calls per RNC, specifically Counter ID 73422075. It describes how the RNC measures silence detection by analyzing speech frames every two seconds and outlines the conditions under which silence is recorded. Additionally, it references related features and indicates that no specific formula or unit is provided for this counter.

Uploaded by

Mikatech
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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BSC6900 UMTS Product Documentation

Product Version: V900R015C00


Library Version: 08
Date: 04/30/2014

For any question, please


contact us.
Copyright © Huawei
Technologies Co., Ltd. 2014. All rights reserved.

Number of Times That Silence Is Detected in Uplink


for AMR Calls per RNC
Contents
5.4.2.2.10.1.3 Number of Times That Silence Is Detected in Uplink for AMR Calls per RNC

5.4.2.2.10.1.3 Number of Times That Silence Is


Detected in Uplink for AMR Calls per RNC
Counters
Counter ID Counter Name Counter Description
73422075 VS.AMR.ULSilent.Num Number of Times That Silence Is
Detected in Uplink for AMR Calls per
RNC

Description
This counter provides the number of times that silence is detected in uplink for AMR calls(narrowband and
wideband AMR services) on an RNC.

Measurement point
The RNC detects the speech frames in uplink at the IUUP layer. It checks whether frame loss or erroneous frame
exists in uplink at the IUUP layer every two seconds. If the ratio of lost frames or erroneous frames exceeds the
threshold for three consecutive measurement periods (a measurement period lasts two seconds), the RNC
considers that silence is detected in the call. Only one silence can be calculated for a call, regardless of the
number of times that silence is detected during the call.
Formula
None

Unit
None

Related Features
Counter Name Feature ID Feature Name
VS.AMR.ULSilent.Num WRFD-010501 Conversational QoS Class

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