Mr.Ostrofsky has founded five IT magazines and several trade shows. He is one of the pioneers of the voice mail/voice processing market, the private pay phone market, the operator services market, the telecom reseller & [[VoIP]] market and the prepaid telephone card market in the United States. | Mr.Ostrofsky has founded five IT magazines and several trade shows. He is one of the pioneers of the voice mail/voice processing market, the private pay phone market, the operator services market, the telecom reseller & [[VoIP]] market and the prepaid telephone card market in the United States. |