[Zisa Corporation Limited.]( http://zisacom.com/), ZISA cooperate with Rostelecom on Optical Communication service, mainly related to optical network unit. ZISA OP156 GPON ONU win the bid, OP156 can provide multi-service including data, VOIP, IPTV, WIFI and so on. Greatly to improve the customer experience.
Note: Rostelecom is Russia’s national telecommunications operator, with Russia’s largest domestic backbone network (about 500,000 km) and 35 million home access.