Invalid Feature Nortel Voicemail not functioning

Nortel Troubleshooting “My Nortel Voicemail is not working and when press the voicemail button it says invalid feature” What is the answer?

Invalid Feature Nortel Voicemail not functioning

Nortel Voicemail not working – Invalid Feature Nortel Voicemail not functioning


You should reach out to Nortel Works a TelcomPBX provider and Nortel Support Center to help you diagnose this issue.  There can be many causes of the “Feature Unavailable” message.



Certified NORTEL Phone Service


Vodavi Repair

Invalid Feature 

nortel feature unavailable voicemail


*** STOP ****– Power Issue and/ or  internal error!

Avoid Additional Damage 

 Call – Atlantic Business System We are  –  Authorized Technicians 

This is a serious alert to you that your NORTEL Voicemail system is failing/down and you require an immediate service call by a qualified Nortel telephone technician to get your system returned to working order.  A telephone technician may be able to give you a temporary workaround. ( CALL Norstar Certified Service provider)

If you are not able to – Press the CHECK VOICEMAIL key or press FEATURE 981. Next, enter your password. You will then hear a menu of options – follow the prompts to listen to your prompts is not working and returns the “Feature Unavailable”


NOTICE:  This is a serious issue


Feature Unavailable Voicemail not working


Nortel Voicemail

Nortel Voicemail feature unavaiable


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Feature Unavailable

Nortel Voicemail

Nortel Voicemail Not working


error message “Invalid Feature”

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Related Information:

Nortel Voicemail

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Nortel troubleshooting

Voicemail Nortel 


About Nortel

About Nortel Voicemail, Meridian Voicemail, or Norstar Voicemail.  The Nortel Phone System was an amazing brand made from the late 80s through the early 2000s however it is no longer manufactured by Nortel Networks which went out of business in 2009.  As your system ages you will need Nortel Support and Nortel Troubleshooting.  Contact our team for Support on Nortel phone systems.  Atlantic Business Systems has provided support for over three decades and offices and dispatch centers in 37 states.  If you are experiencing issues with your Nortel Voicemail and this Invalid Feature please contact us!  We offer support, replacement phones, and onsite troubleshooting for your Nortel Phone System.  The T7316 was the workhorse desk phone of the Nortel Phone System and was sometimes labeled Nortel T7316e.