Dialog 4220 Lite
This compact, cost-effective model offers all basic functions for office user communication needs.
Dialog 4222 Office
The Dialog 4222 Office is a desktop telephone with full functionality for office user communication needs.
Dialog 4223 Professional
This multi-featured model supports advanced system functions for the professional office user.
Dialog 4224 Operator
The Dialog 4224 Operator telephones are specifically designed for the needs of operators working with MD110 and BusinessPhone PBXs.
Dialog 4225 Vision
This multi-featured top of the line model supports advanced system functions.
The Dialog 4225 Vision is ideal for demanding and executive office usage.
