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What Happens when your Office Telephone Systems Fails?

Jay SEO - Tuesday, May 14, 2019


There are times when your phone system fails and your business VoIP plans experience interruptions. However, there are some things you can do to protect your business phone system in times of major issues. Here are some of the top issues along with their troubleshooting techniques for business VoIP plans and SIP phones.

  1. Staggered call quality

This might be due to internet congestion (which slows down the connection) or inadequate bandwidth.

  • Common Causes

Some computer applications like online gaming and file sharing might be utilizing more bandwidth.

  • Troubleshooting techniques
  1. Investigate your computer to check if there are any applications running (which you are unaware of). Also, try running a bandwidth test to check your bandwidth availability.
  2. Check for malware on the computer’s back-end by running a security scan
  3. Check for any packet loss on the connection
  • Tips

Consider opting for a higher level of service with more bandwidth

  1. No incoming calls

This issue can occur if you’re using ATA (Analogue Telephone Adapter) which is unable to register with your VoIP provider.

  • Common Causes
  1. Power failure
  2. Loss of internet connection
  3. Signal blockage to the ATA/ IAD either due to a failure of a router to translate NAT properly or by a firewall.
  • Troubleshooting techniques

Start cycling the modem and IAD/ router if the issue occurred from a loss of internet connection.

  • Tips

While the issue is being rectified, ask your office telephone systems UKprovider to route incoming calls to the voicemail set up on your business VoIP account.

  1. Buzzing within the call

This occurs due to an analog interference into the phone.

  • Common Causes:
  1. Faulty wiring
  2. Weak signals from a cordless phone
  3. Interference of a wireless device into a cordless phone
  4. Using a wrong power supply for the ATA/ IAD device
  5. An electrical voltage added into the lines to separate caller ID or to set up an alarm.
  • Troubleshooting techniques
  1. Connect the phone directly to the IAD
  2. Check the charge status and batteries in cordless devices
  3. Ensure that there is a correct power supply needed to run the business VoIP system.
  4. Check the quality of the alternate channel
  • Tips

Keep spare handset batteries on site

  1. Echoes within the call

An impeded mismatch is created by devices (like separate splitter or caller ID) that are located near the IAD.

  • Common Causes
  1. Poor quality of electrical connections and phone lines
  2. Acoustic feedback going back into the mouthpiece from your voice exiting the mouthpiece
  • Troubleshooting techniques
  1. Turn the phone volume down
  2. Separate caller ID’s/ splitters
  1. Internet connection without a dial tome
  • Common Causes
  1. Defective phone cable or splitter
  2. Loss of battery charge by a cordless phone
  3. Interference of another device (such as alarm system or separate caller ID) with the business VoIP system.
  • Troubleshooting techniques

Reboot the IAD

If the light corresponding to the issue on the business phone system is illuminated, then try connecting the phone directly to the IAD (without using splitters or any devices between the phone and the IAD).

Try changing the phone or its cords.

If none of the troubleshooting techniques work, then call your telephone systems provider in the UK.


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