digital phones have stop working

[cjfro]

i have an avaya IP office 500 v2 with 6 2410 phones all working from install 2 years now and all of a sudden they have stop working. can you help me with this i am not sure why they are not working i have plug a phone directly in the IP Office port
on the system but still did get it working what could be the cause of this.

 

[phonesaz]

If all of them stopped simultaneously it could be the board. Have you done a reboot of the system?

 

[snowman50]

Did the phone work when you plugged it into the port on the ip office directly.
Does it power up ok

Do you have power to the ip office.

 

[amriddle01]

Gotta love those maintenance contracts