The V9.0 firmware is built to support "Triple Play" services, integrating high-speed internet, voice (POTS), and IPTV services.
Many V9.0 units use multipro for both username and password. Zte F670l V9-0 Firmware
Allows service providers to prioritize mission-critical data like VoIP and IPTV based on specific service plans. Technical Specifications The V9