I referred someone to DirectTV about 3 mos ago. I gave the person that number to call and my acct #. Neither me nor that person received the promised credit. When I called they said that the correct phone number had not been used etc. I verified with the person and not true. A person from DirectTV called me and I signaled my intention to drop the service. That person offered me a $10 credit each month for 10 mos and another credit to my referral. I got my bill and the credit was only given once. I am not impressed with their not following through on the promised credit. I sent an email to their corporate office saying that I want to cancel as they have not followed through on their promise. I see no where to cancel and I am not pleased with them. How can I cancel their service if they are not going to honor promises