machan as an experienced guy in that field i know a phone connection is not the solution. Kochchara katha karath madi. Hondama de hamba wena widiyak hoya ganin. Naththam bala indiddi dennagema saakku his wenawa.
I dont know about Nokia 6233 but as far as I know in Nokia N73 u only can change the sound into some other sound. U cant completely shut it down. I think this is there coz they want to stop ppl being photographed without being noticed.