Have installed V18.0 an could not add a SNOM C520 conference phone. When trying to assign an existing extension to the phone I get the error message:
Object reference not set to an instance of an object.
The firmware of the C520 is 1.2.0.4-0
When I try to assign a new extension I get the information that the MAC address belongs to the extension I tried to assign before.
???
Object reference not set to an instance of an object.
The firmware of the C520 is 1.2.0.4-0
When I try to assign a new extension I get the information that the MAC address belongs to the extension I tried to assign before.
???
