Audio Quality

4 articles

VoIP QoS Troubleshooting
SkySwitch has launched RTP-Sight, a tool for VoIP monitoring and troubleshooting to help identify and fix network problems that can degrade VoIP call quality. The tool allows partners to view RTP statistics, access PCAP files, and download call recordings in .wav format for G711 calls only.
Last updated on April 22, 2024 at 3:27 AM
QoS Glossary
This article discusses various terms and techniques used in digital communication. These include packet loss, packet delay variation (PDV), jitter buffer, mean opinion score (MOS), post-dial delay (PDD), real-time transport control protocol (RTCP), average call duration (ACD), average success rate (ASR), packet loss concealment (PLC), and percentiles. This article defines these terms and explains how they work, how they are measured, and how they affect the quality of digital communication. It also explains how RTP-Sight detects packet loss and PDV and how it compares to traditional metrics.
Last updated on March 11, 2025 at 4:55 PM
Understanding QoS Data and Terminology
This article provides definitions for key terms related to QoS (Quality of Service) monitoring and troubleshooting call issues in network communication. It explains terms like QoS, MOS (Mean Opinion Score), Packet Loss, Delay/Lag, Jitter, PDV (Packet Delay Variation), Jitter Buffer, RTP (Real-time Transport Protocol), and others, highlighting their significance in assessing and maintaining the quality of voice and video calls.
Last updated on May 1, 2024 at 3:49 PM
Static - Audio Quality
This article provides guidance for troubleshooting static issues in SIP calls. It lists the typical causes of static, including faulty hardware and poor physical connections, and the less common causes, such as echo cancellation gone wrong and voice activity detection. This article also outlines some essential questions to ask when dealing with static and provides troubleshooting steps for when the static is coming from the customer's network or is heard by both parties.
Last updated on March 6, 2023 at 7:37 PM