Dear People, I recently bought a phone adaptor cisco SPA112. I have to tell you the truth I have at the beginning many problems to get my analogue telephone working. I even call my internet provider and we were a couple of hours without success. At m...

Dear Experts, I recently bought a Cisco SPA112 to convert the digital signal to an analogue signal of my phone. After many trials and settings it works well.  However I had recently a problem when I tried to communicate to a central telephone number...