> ## Documentation Index > Fetch the complete documentation index at: https://docs.tabbly.io/llms.txt > Use this file to discover all available pages before exploring further. # Call Quality & Performance > Monitor, measure, and optimize call quality and performance ## Overview Maintaining high call quality is essential for successful voice AI operations. Tabbly provides comprehensive tools for monitoring and optimizing call quality. ## Latency Metrics and Monitoring ### Understanding Latency **What is Latency?** * Time between speech and response * Measured in milliseconds * Affects conversation flow * Impacts user experience **Types of Latency** * Network latency * Processing latency * Response generation latency * Total end-to-end latency ### Monitoring Latency **Real-Time Monitoring** * Live latency metrics * Dashboard display * Alert thresholds * Historical tracking **Latency Targets** * \< 500ms: Excellent * 500-1000ms: Good * 1000-2000ms: Acceptable * > 2000ms: Needs improvement ## Measuring Call Quality ### Quality Metrics **Audio Quality** * Clarity * Volume levels * Noise levels * Echo detection **Conversation Quality** * Naturalness * Understanding accuracy * Response appropriateness * Overall satisfaction ### Quality Scoring **Automated Scoring** * AI-powered quality assessment * Real-time scoring * Historical trends * Comparative analysis **Manual Review** * Listen to recordings * Review transcripts * Rate quality * Provide feedback ## Network Diagnostics ### Diagnostic Tools **Connection Testing** * Test network connectivity * Measure latency * Check bandwidth * Identify issues **Quality Analysis** * Audio quality analysis * Network quality assessment * Problem identification * Recommendations ### Troubleshooting **Common Issues** * High latency * Poor audio quality * Dropped calls * Connection problems **Solutions** * Network optimization * Codec adjustments * Infrastructure improvements * Configuration changes ## Optimizing Call Performance ### Performance Optimization **Network Optimization** * Use quality networks * Optimize routing * Reduce hops * Improve infrastructure **System Optimization** * Optimize agent responses * Reduce processing time * Improve efficiency * Streamline workflows **Configuration Optimization** * Adjust settings * Fine-tune parameters * Optimize for quality * Balance speed and quality ## Handling Poor Network Conditions ### Adaptive Quality **Automatic Adjustment** * Adjust to network conditions * Maintain quality when possible * Graceful degradation * Recovery when improved **Quality Modes** * High quality (good network) * Standard quality (normal network) * Reduced quality (poor network) * Emergency mode (very poor) ### User Experience **Managing Expectations** * Inform users of issues * Provide alternatives * Maintain professionalism * Recover gracefully ## Audio Quality Settings ### Audio Configuration **Codec Selection** * High-quality codecs * Bandwidth considerations * Quality vs. bandwidth tradeoff * Optimal selection **Audio Processing** * Noise reduction * Echo cancellation * Volume normalization * Quality enhancement ### Settings Optimization **Quality Settings** * Balance quality and bandwidth * Optimize for use case * Test different settings * Monitor results ## Echo and Noise Cancellation ### Echo Cancellation **What is Echo?** * Audio feedback * Causes poor quality * Distracting for users * Needs elimination **Cancellation Technology** * Advanced algorithms * Real-time processing * Automatic detection * Effective removal ### Noise Cancellation **Background Noise** * Reduce background noise * Improve clarity * Better understanding * Enhanced experience **Noise Reduction** * Filter out noise * Preserve speech * Maintain quality * Real-time processing ## Best Practices Regularly monitor call quality metrics. Catch issues early before they impact users. Don't wait for problems. Continuously optimize for better quality and performance. Test call quality regularly, especially after changes or updates. Collect user feedback on call quality. Use insights to improve.