Sakar Talking Caller-ID Speaker Phone "durabrand telephone number" Questions

Durabrand telephone I have a Durabrand telephone model PH3238. It displays the caller I.d. if I am not talking on the phone, but when I am on a call and my call waiting signals me of another call ...

...telephone. I searched Durabrand and, well, I still don't know who they are or where they are. I was going to try to get to the instruction book that should have come with your telephone. I couldn't ...