Dialog 4425 IP Vision is a professional IP-phone with additional features, including multi-line management function and built-in graphics display to meet all user needs. In addition, it can be used in small meeting rooms.
4DVISION is a privately held Colorado company. Established in 1995 4DVISION has evolved from a software development company into a Internet Service Provider. 4DVISION is committed to providing excellent services at a reasonable price.