Technical data

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A concise comparison of cordless phones:
Dialog 4000 Digital System Telephones
“It’s amazing how effective you can be with a reliable and advanced
telephone system in your hands. Now I have a distinct competitive
advantage.”
Surely you want to be as cost-effective and efficient as possible. One of the best assets
you can have to help you along is a communication system. To bring out the best in your
Ericsson business communication system, you need the Dialog 4000 series of digital tele-
phones. Their advanced call-handling functions and potential for computer-telephony
applications bring modern communications to every workplace, vastly improving efficiency
and customer service.
The Dialog 4000 digital telephones combine outstanding features with advanced
engineering and superior ergonomics. Environmentally sound design features have been
DT590 DT290 DT412/DT422 DT430***
Display 5 rows 2 rows 6 rows 2 rows
101x80 pixels 2x12 characters 128x64 pixels 2x12 characters
Weight 131 g 139 g 140 gr 195
Dimensions (LxWxD) 143x53x26 142x54x25 134x60x27 142x51x21
Battery type Li-Ion NiMH NiMH NiMH
Talktime (hours) 20 17 8* 10
Stand-by (hours) 140 140 80* 100
Charge time (hours) 4411
Ringer volume 9 levels 7 levels 5 levels 5 levels
Ringer melody 24 10 5 10
Earpiece volume 10 steps 9 steps 4 steps 4 steps
Last number redial 20 20 20 10
Last received messages 10–2010
SIM Card ––••
Language selection 11+1 17 11 11
1880-1900 MHz
frequency bands ••••
1900-1920 MHz
frequency band for China ••––
1910-1930 MHz
Frequency band for Latin
America ••––
Locally stored numbers 1000+100 100 100 75
Central Phone book
access** •–•–
Messaging •–••
Alarm button,
no-movement options DT422 only
Vibrator •••–
Handsfree/loudspeaking •••–
Headset connector •–•–
Integrated PBX features •–––
Software upgradeable •–••
Backlit Display Bright white Green Bright white Green
Backlit Keypad ––••
Applicable
Not applicable
* If alarms are activated, the talktime/standby time is 8h/60
** Phonebook entries can be retrieved from a large corporate phonebook
as stored on a DECT SMS message server
*** The DT430 complies with directive 94/9/EC or ATEX 100A