In this presentation, we will see 7 VoIP troubleshooting tips for common problems such as reduced call audio, automatic call drop, no sound is heard, echo, and many others. Do check it out and learn how you can troubleshoot these common VoIP problems on your own.

1. 7 VoIP
Troubleshooting
Tips For
Common
Problems

2. Implementing VoIP phone
systems for your business
requires planning, active
management, and
monitoring.

3. Here we will share 7 tips for
troubleshooting your VoIP
phone system for common
problems such as choppy
audio, echoes, etc.

4. 1. Poor Call Audio
Reason:
It can be either due to low
bandwith of Internet
connection or your VoIP
provider is not using the
right compression code or
codec.

5. Troubleshooting Tip
Use an internet speed testing website to check your
connection speed
If your internet bandwidth is low, then upgrade your data
plan or change your ISP
Prioritize QoS (Quality of Service) for VoIP – Check router
settings to prioritize QoS for VoIP
1.
2.
3.

6. 2. Automatic Call Drop
Reason:
Your VoIP call automatically
gets dropped after few
minutes either due to poor
internet connection, packet
loss, or jitter.

7. Check and update the firmware of your VoIP phone
Check the UDP (User Datagram Protocol) timeout
Reduce network congestion by applying QoS settings in your
router and closing applications consuming high bandwidth
1.
2.
3.
Troubleshooting Tip

8. 3. No Sound Is Heard
Reasons
This issue occurs when the
firewall is blocking the RTP
(Real Time Protocol) and you
do not hear the caller's voice
from the other side.

9. Check your firewall for any ports that are blocking RTP
packets
After identifying blocked ports, open them to ensure the free
flow of RTP packets
1.
2.
Troubleshooting Tip

10. Reason:
This is the common issue
which occurs when either
your VoIP phones are not
working or you turned on
the DND mode and forgot
about it.
4. Calls Going To Your
Voicemail

11. Check if VoIP phones are configured with your cloud
communication provider
Reverify your call forwarding configurations
Make sure your VoIP phones are not in DND mode
1.
2.
3.
Troubleshooting Tip

12. 5. VoIP Phone Not
Working
Reason:
This issue arises when your
VoIP hardwares' mac
address is not registered
with your company network.

13. Test your VoIP phones on a common network port to see if
there are any issues with your hardware
If both phones are working, then there might be ethernet
drop
Connect with your VoIP provider to see if there are any
firmware updates
1.
2.
3.
Troubleshooting Tip

14. 6. Echo
Reason:
Acoustic, electromagnetic
interference, and faulty
equipment are some of the
probable reasons for echoes
that you hear during VoIP
calls.

15. Try a corded phone instead of a cordless one
Keep the router away from the desktop
Check for any faulty equipment and replace it with quality
one
1.
2.
3.
Troubleshooting Tip

16. Get your 10 days of free VoIP
solutions.
Claim your 10 days of free trial now to
experience The Real PBX secure, scalable,
and flexible VoIP telephony solutions.
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17. About The Real PBX
The Real PBX is a UK-based VoIP solutions
provider to businesses of all sizes and
industries around the globe.
To know more visit our website -
therealpbx.com

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19. References
7 VoIP Troubleshooting Tips For Common Problems - The Real PBX1.
Image References
1. Shutterstock
2. SIP calls drop after 15 minutes in Branch office - Cisco Community