Why is my iPhone randomly calling numbers?

People always text me claiming I called them, yet it shows nowhere in my call log and I don't even have these people in my contacts.

Your phone number may have been spoofed and being used for spam.

Someone is probably spoofing your number or your puone got hacked.

Someone is spoofing your phone number to make tekemarketing calls.

Your number has been "spoofed" by a telemarketer.

  • Why some numbers that I add turn green or blue on iPhone? I added some new numbers on my contacts and when I try to message them some were green and some were blue. How does iPhone know if someone is using Android or iPhone? I met this girl from a dance but I didn't get her number so I asked my friend if she has her number she said yes so she gave it to me and when I tried to text her the message was green. Does that mean she's using Android?
  • Why isn't my iPhone calling aynone? Well i tried to jailbreak my iphone 4s and the first time it got stuck on the booting menu so the i had to reset it on itunes then after that my little 3g icon went away (i was messing around in cyndia so i don't know what i did) now everytime i try to call someone it says calling mobile then before the call can start it drops please help me someone ps i have sprint
  • Why can't I hear the ring when I'm calling someone? I have had my phone for a few months now its pretty new and it's an iPhone 4S but when I call someone I can't hear the ring? It has never done this before it only started today. Why is it like this is it broke or something I can hear the person talk just not the ring when you call someone? Why is it like this? Is it broke? How can I fix it? Does it turn on and off and if it does how do I turn it on? Oh and when I put head phones in it does the same thing.
  • Why are their names & numbers still showing on my iphone? I deleted down people. However they do not appear on the address book but when I create a new message and type the first initial of the person I'm texting, the people I have deleted will come up but there will be an "other" there!