My telephony is not more working anymore..

The first step that you need to do is :

- check if you have internet 

- check that the phone is plugged in (power)

- check also the modem and if the modem is plugged in.

The second steps is  :

- check your cables 

- reboot your phone device

- reboot your modem en/of firewall 

Third step is : 

you will have to reconfigure the phone

If, despite the reconfiguration of the phone, it still does notwork thank you for contacting us on [e-mail]