Is the block mounted on a piece of wood? Or is it mounted direct to concrete or block? If it's the second you're block is probably corroded. If it's on wood do as TTT says to isolate where your trouble is.
Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
Proudly serving Canada from coast to coast.