Sabotage phone?

This morning I was talking to someone about the cost of cell phones. We talked over how much different plans were and what text messaging would cost.  I was also waiting for a friend to phone me.  She then sent me a message on facebook saying she was trying to call me.  She had been trying to phone me for an hour but I had not been talking on the phone to this other person.  I picked up my house telephone receiver, and discovered my phone had not been working.  hmmmm, cell phone business trying to sabotage my land line?