This article will show you the following.
Examples of Call Quality Issue Sounds: https://www.cisco.com/c/en/us/support/docs/voice/voice-quality/30141-symptoms.html#anc14
Poor Quality of Service issues can be best described as calls having choppy audio, delays, echoing, as well as instances of calls dropping when neither party initiated the end of the call.
| Users Internet Provider | Users Network Equipment | Phone Hardware |
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Okay, so it sounds like this is a quality of service (poor quality) issue. Let's get a few questions answered here:
Has the Firewall been setup for Bandwidth Management by you or your IT department?
New Issue
Pre-existing issue
Consistent: The issue is happening all the time.
How many users are being affected?
Migrated from Confluence on 2026-02-03
Original Confluence Article