Yes the only thing you will have trouble doing is if you want to, say update you software from iOS 7 to iOS 8 theres gonna be a problem but there are ways to get past it.
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It is so long as it has the ability to not call people on the "do not call" list.
The phrase, give you a call, means to give you a phone call, or in other words to phone you.
An incoming call
You could look it up in a phone book. If you have a mobile phone, call your mobile number from your home phone and it will be displayed. If you do not have a cell phone then call someone with a cell phone and do the same.
Yes.