Welcome to the group of people that have been banned/suspened! Im having the same problem and have had no help at all! Sony wont help so im going to keep bugging the **bleep** outta the because ive talked to some people and thats how the got their ban/suspension lifted. So good luck!
Im thinking that your blatent disregard for forum rules concerning multiple threads carries over into your gaming and you got banned .
" As much as I would like for people to communicate and use their mics it will never happen. Party chat insured that. " - as stated in a xbox forum concerning with cross game chat ruining team oriented gaming..... becarefull what you wish for .