Network-Related Issues:
1. Check internet speed:
1. Run a speed test on your computer
2. You need at least 100 kbps per call
3. Close unnecessary programs using internet
2. Restart network equipment:
1. Unplug your router/modem for 30 seconds
2. Plug back in and wait for full startup
3. Test call quality again
Phone-Related Issues:
1. Try a different handset (if available)
2. Clean handset connections with a dry cloth
3. Check for interference** from other electronic devices
Echo Problems:
- Reduce handset volume slightly
- Move away from speakers or other phones
- Check room acoustics - hard surfaces can cause echo