Technical data

23
22
Dialog 4223 Professional**
Sheer sophistication with advanced features
at your fingertips
This multi-featured professional model
supports advanced system functions.The
Dialog 4223 Professional is ideal for use in
secretarial supervision configurations, key
systems and traditional Call Center (ACD)
group functions.
Four additional Soft Keys provide an
easy user interface for accessing different
menu options. The Soft Keys change their
function dynamically depending on the tele-
phone status. These dynamic Soft Keys
make it very convenient to access enhanced
features like directories, voice mail etc.
Highlights:
• Features a flexible graphical three line
display. The display can be tilted.
• Supports full duplex hands free speaking
with Acoustic Echo Cancellation (AEC).
• Supports loud speaking function. The
loudspeaker and handset can be
simultaneously active.
• Programmable ringer loudness and tone
character.
• Possibility to connect a headset directly to
the telephone. Switching between
handset and headset can easily be done
with a dedicated key.
• 10 function keys with LED.
• All programmable function keys can be
labeled by the user and have LEDs to help
keep track of calls and activated
functions.
• 4 soft keys.
• Up to four additional key panels can be
attached. (17 programmable function keys
each).
• Adjustable foot console.
• Easy to mount on wall.
• Hearing-aid compatibility.
• Support option unit port for connecting
external devices.
• Functions include:
- Volume control for incoming voice on
both loudspeaker and telephone
receiver.
- Clear function to disconnect call without
replacing the handset.
- Mute function to disconnect the handset,
headset and hands-free microphone and
to interrupt ring signal or silent ring
function.
- Headset function key to control headset
or handset usage.
- Call transfer to other extensions.
- Call diversion.
- Message-waiting indicator.
- Call-back.
The Dialog 4224 Operator telephones are
specifically designed for the needs of oper-
ators working with MD110 and
BusinessPhone PBXs. They are designed
to provide them with full switchboard
access and functionality.
Dialog 4224 Operators support advanced
system functions that are required for oper-
ator configurations. The keys that are used
most frequently have been enlarged and
positioned with a comfortable space in
between to grant fast and secure opera-
tion.
Highlights:
• Flexible graphical five line display. The
display can be tilted.
• Programmable ringer loudness and tone
character.
• Possibility to connect a headset directly
to the telephone. Switching between
handset and headset can easily be done
with a dedicated key.
• 12 function keys with LED.
• 4 large Clear and Speech keys with LED.
• 1 large Answer/Extend key.
• Adjustable foot console.
• Support option unit port for connecting
external devices.
• Functions include:
- Mute function to disconnect the hand set
and hands-free microphone.
- Headset function key to control head set
or handset usage.
- Call transfer to other extensions.
- Call diversion.
Dialog 4224 Operator*
The MD110 and BusinessPhone
operator telephones that make
sound sense
*
Not applicable for MD Evolution
** Converts to an operator's terminal with one key
panel when used together with MD Evolution.