If you have a telephone number that you have had for years in most cases you can have that number ported over to your voip account.
Also if you choose a voip number from your local or another city or country, as an example by using your cell, home of office number as your caller ID your VoIP number will remain anyomous any person you call will on redial reach the number you used for caller ID.
Here is a trick I once did, I was aware that a person I knew would read the caller ID before deciding to pick up or not. Usually not, This I saw first hand while visiting one day so I new they were not specifically targeting my calls.
Anyhow I had something I wanted to chat to Allan about, my first call went unanswered. I knew that Allan worked part time at the service station so I decided to use the service station number as my caller ID. My second call was immediately answered, his first words were, where are you calling from , my reply home.
Never did tell the &*^% how I did that.
By the way since I've been using voip six years I've only had one telemarketer call my number and he was dumb enough to display his number which I immediately added to my do not call list otherwise all anonymous callers get a message this number is no longer in service.








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