data,Voice,Video test ADSL service, IPTV service VOIP service 1. OverviewThe ST360B-AT is ... , package loss, transmission speed, MD IDF delay), Voice (VoIP testing supporting SIP).Consequently, it becomes the best choice for xDSL, IPTV ... malfunctions during the process of IPTV initialization. Include:Line fault, Modem fault, STB fault, PPPoE dial fault, IPTV operation authentication and ...