TroubleshootingTroubleshooting CommPeak Softphone IssuesChoose a troubleshooting article to resolve the CommPeak Softphone issue. How to Use This Page Identify the article that matches the issue you see. Open the article and follow the troubleshooting steps. Return to this page to troubleshoot a different issue. Troubleshooting Articles Not Receiving Initial Softphone Calls for Dialer Predictive ModeMicrophone Volume Automatically DecreasesUnable to Make or Receive CallsChoppy or Distorted AudioEcho During CallsOne-Way AudioDropped CallsExtension Registration IssuesBuilt-In Softphone Login Error: 403 - IP mismatch Copy Page