Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Issue:

This article will show you how to troubleshoot call quality (also known as QOS) issues. 

...

Support Template:

Info
iconfalse

Ok, so it sounds like this is a quality of service (poor quality issue).  Let me get a few questions answered here:

  1. How long has this been happening?
  2. Is it happening on one phone or all phones?
  3. Do you have more than one location?  Is it happening at all locations?
  4. How often does this occur?
  5. What type of firewall do you have?
  6. Has it been set up for QOS by you or your IT company?
  7. Have there been any changes to the network which may have caused this to start?

Troubleshooting:

Info
iconfalse
Expand
title1. Verify Basic Questions
Info
iconfalse
  1. What is happening?
    • Choppy Audio: Is most often an issue with the ISP experiencing minor delay or packet loss which is common and usually goes away by the next business day or the customer bandwidth (the network speed) is being over utilized and dropping audio packets.
    • Dead Air
    • Dropped Calls: is often a result of the ISP dropping audio packets or
    • Audio Delay
    • Speech Echo

...