Summary: Being one of the first Wi-Fi VoIP (SIP) phones on the market, ZyXEL Prestige 2000W is a solid proof of concept that is deemed by many to see explosive growth. With this unit, ZyXEL seems to be targeting two markets - a cordless phone for corporate SIP environments and residential broadband VoIP services (like Vonage). The unit gets 3 stars for actually working in one deployment scenario, but lacking many required features.
Summary: For those who may be confused about Voice over IP services, this is real phone that can dial and receive calls with any other real phone in the Word unlike PC to PC voice connections that can only be placed between PC clients. And as for any VoIP connection, it requires service provider to provide connection with phone networks.