Dialog 4220 LiteThis compact, cost-effective model offers all basic functions for office user communication needs. The Dialog 4220 Lite is specifically designed for users who want traditional telephone functions with good voice quality. It is a robust convenience phone well suited for visitor or service areas.
- 12 function keys with LEDs
- 5 programmable keys (can be labeled by the user)
- Loud speaking function
- Programmable ringer, loudness and tone character
- Adjustable foot console
- Easy to mount on wall
- Hearing impaired support with amplification (+6dB)
- Acoustic shock protection
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| Dialog 4222 OfficeThe Dialog 4222 Office is a desktop telephone with virtually all of the features you need in the office. It is user-friendly with full functionality for complete communication needs and equipped with integrated headset port. The telephone features a flexible graphical two line display for data such as the called party’s extension number and location status, and the time and date.
- Features a flexible two-row display
- 13 keys with LEDs
- 5 programmable keys (can be labeled by the user)
- One key panel can be attached. (17 programmable function keys
- Hands free speaking.
- Loud speaking function.
- Programmable ringer, loudness and tone character
- Headset port (with dedicated headset switching key)
- Adjustable foot console.
- Easy to mount on wall.
- Hearing impaired support with amplification (+6dB)
- Acoustic shock protection
- Supporting option unit port for connecting external devices for external bell and busy signal
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| Dialog 4223 Professional
This multi-featured model supports advanced system functions for the professional office user. The Dialog 4223 Professional is ideal for administrative assistants and traditional Call Center (ACD) agents. Using soft-keys, the user can easily access the display menu with a number of system features such as phonebook, call list, diversion, absence reason, etc
- Features a three-row adjustable graphical display
- 13 keys with LEDs
- 7 programmable keys (can be labeled by the user)
- 4 soft keys
- Up to four key panels can be attached (17 programmable function keys each)
- Full duplex hands free speaking with Acoustic Echo Cancellation (AEC)
- Loud speaking function
- Programmable ringer loudness and tone character
- Headset port (with dedicated headset switching key)
- Adjustable foot console
- Easy to mount on wall
- Hearing impaired support with amplification (+6db)
- Acoustic shock protection
- Supporting option unit port for connecting external devices for external bell and busy signal
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|  |  | Dialog 4224 Operator for BusinessPhoneThe Dialog 4224 Operator telephone is specifically designed for the needs of BusinessPhone PBX operators providing full switchboard access and functionality like supervision of extension. The telephone has an integrated headset port and for Hands-free speaking it supports full duplex and Acoustic Echo Cancellation (AEC).
- Features a five-row adjustable graphical display
- 12 function keys with LEDs
- 4 large Clear and Speech keys with LEDs
- 1 large Answer/Extend key
- Headset port (with dedicated headset switching key)
- Programmable ringer loudness and tone character
- Adjustable foot console.
- Easy to mount on wall.
- Hearing impaired support with amplification (+6db)
- Acoustic shock protection
- Support option unit port
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| Dialog 4225 VisionThis multi-featured top of the line model supports advanced system functions. The Dialog 4225 Vision is ideal for demanding and executive office usage. Compared to Dialog 4223, this telephone features 10 extra programmable keys and a large, six-row, graphical display with three navigation keys and four soft-keys. Using the navigation keys in combination with soft-keys, the user can easily access a display menu with a number of system features such as phonebook, call list, diversion, absence reason, etc.
- Features a six-row adjustable graphical display
- 23 keys with LEDs
- 17 programmable keys (can be labeled by the user)
- 4 soft keys and 3 navigation keys
- Up to 4 key panels can be attached (17 programmable function keys each)
- Up to 4 key panels can be attached (17 programmable function keys each)
- Full duplex hands free speaking with Acoustic Echo Cancellation (AEC)
- Loud speaking function
- Programmable ringer loudness and tone character
- Headset port (with dedicated headset switching key)
- Adjustable foot console
- Easy to mount on wall
- Hearing impaired support with amplification (+6db)
- Acoustic shock protection
- Supporting option unit port for connecting external devices for external bell and busy signal
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