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Dialogue 4420
● 6 programmable keys
● 12 function keys with LED
● Emergency call support
● Fixed number assignment
● Ethernet switch (2 ports) 10/100 Mbits/s
(autosense)
● Monitor speaker
● Mute function
● Volume control
● Programmable ring tones
● Speed dialing
● Phone management via web interface
● Remote firmware upgrade
● Hearing aid support
IP Phones
The Ericsson range of IP
telephones encompasses the
power of your data network
and Ericsson communication
system to deliver reliable
business-class telephony.
Offering advanced functionality and the
simplicity of an ordinary phone, these
user-friendly handsets harness all the
benefits of the new world of IP
communications for efficient working. They
also support hearing impaired users and
prevent hearing damage through built in
acoustic shock protection.
An easy-to-use internet (Web) browser
interface allows users to configure their
own telephone settings, such as edit the
phone book, function keys, etc, directly
from a desktop computer.
IP phones
include Message
Waiting light and
other keyphone
features
All handsets
available in
light or
dark grey
Dialogue 4422
● 2-port Ethernet switch - to share a LAN
cable/port with a desktop computer
● User mobility (log on and call)
● Emergency call from an unregistered
telephone (i.e. not logged on telephone)
● Monitoring
● Headset port (with dedicated headset
switching key)
● Power over LAN support
(according IEEE 802.3af)
● Telephone setting via a WEB browser
● Hearing aid support and acoustic
shock protection
● Graphical display with
adjustable contrast
● Function keys
● Call list (local)
● Multi-codec support
● Multi-language support
● QoS support (includes QoS statistics
available via a WEB browser)
● Branch office survivability support -
automatic backup gatekeeper
registration/deregistration
Dialogue 4425
As the Dialog 4422 plus:
● Hands-free speaking with full duplex and
Acoustic Echo Cancellation (AEC)
● Graphical six-line display with adjustable
viewing angle and contrast
● 4 soft keys, 3 navigation keys and up to
20 function keys
● Phone book (stored locally on the phone
or centrally on a server)
● WAP browser with easy access to WAP
portal - enabling fast access to WML
internet/intranet pages
● Menu support for absence handling -
i.e. activation of diversion, and absence
reason message (message diversion)
● Option unit support (for connection of
external bell and/or busy signal)
SSP
Code Description
ex VAT
23865 Dialogue 4420 £89.69
24935 Dialogue 4422 £149.14
25872 Dialogue 4425 £275.36
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