Answer? or monitor? Either way, absolutely not. Serious invasion of privacy issues.
No as they hairs private
Private calls are detected on a mobile phone on caller id as private or blocked. They may also appear on a mobile phone as "unknown."
You can't. If they have decided to make their number private, you will not be able to obtain it.
You can't. It's controlled by the calling party.
Not really, but i have herd some things that the new phone company (cricket) does record your phone calls.
First of all no cell phone is private and by activating your phone anyone has the legal right to call your cell phone. Just check your received calls and call that number and ask who it is.
yes
A PBX phone system, or private branch exchange. Calls come in to a main switchboard and are transferred from there to a private, internal exchange. Outgoing calls access an outside line by dialing a prefix of some sort, either a O or 1.
There's no way to know at this point.
A list of phone calls. Can be either calls received or calls to be placed.
Interest Groups
Sprint Communications a United States company is best known for supplying wired and wireless private telephone lines to its consumers, businesses and the government to help lower the costs of long distance phone calls.