Nowadays video services (digital television, Internet video etc.) are a common part of our live. According to Cisco [1] mobile video traffic was 51 percent of the entire global Internet traffic by the end of 2012 and it is expected to be 66 percent by 2017. The demand on video and its quality is very high. Since the appearance of VoIP in 1984 video resolution has increased from QCIF (176×144 pixel