Sophistication Simplified
Innovative NEC takes the lead with state-of-the-art innovations sure to make your business communications more efficient, profitable,
and enjoyable. Stylish additions to any work environment, all DSX telephone models feature built-in speakerphone, two-position angle
adjustment, and built-in wall mounting. Enhanced models also offer a backlit display and illuminated dial pad. Right out of the box,
the system offers an innovative built-in Automated Attendant which can answer calls, play a greeting, and allow callers to directly dial
extensions and departments without assistance. Also built-in is the ability to record a custom message for callers on hold.
Full-Featured VoIP DSX provides cost-effective SIP Trunking with over a dozen certified providers from which to choose. Install
DSX IP keysets on-premise or off-site in a remote office. Peer-to-peer connections conserve resources, and built-in NAT Traversal makes
remote IP extension set up a breeze. Choose between the 34-Button Backlit Display and the 34-Button Backlit Super Display offering
the same features as their digital counterparts as well as Full Duplex speakerphones. Compliant third-party SIP phones, soft phones, and
Analog Telephone Adapters (ATAs) are also supported.
DSX Mobile IP Extension lets employees on the go use their smartphone to stay in touch with co-workers and associates. Mobile
IP Extension uses a softphone (such as Counterpath’s Bria) on an iPhone or Android smartphone as a DSX IP extension. The mobile
extension connects to the office WiFi network when the user is at work and automatically re-registers over the cellular network while they
travel. The basic operation of the Mobile IP Extension never changes, regardless of location.
Affordable and Reliable Designed with affordability and scalability in mind, DSX is sized right – from the economical DSX-40 to
the DSX-80/160. All DSX-80 cards can be migrated to the DSX-160. Even when growing from the DSX-40, your investment in IntraMail,
programming, telephones, and other station equipment is retained. Since DSX is simple to install and easy to use, the expenses of
configuration, programming, and post-installation training are minimized. Additionally, the core DSX call processing features are mature,
efficient, and reliable – yet intuitive and easy to use.
Put IntraMail to Work for You
IntraMail The ability to add voice mail is built into the system and only requires a compact flash card to activate. IntraMail is a full-
featured Voice Mail Auto Attendant system that will greet and transfer callers and record voice mail messages. With built-in voice prompt
guidance in English, Spanish, and French, IntraMail is a great fit in multilingual environments. From 2 to 8 voice mail ports are available
and easily upgraded through licensing. IntraMail features include:
• Message Center – Notify extension groups of important messages visually, using a message center key.
• Directory Dialing – Dial a na me instead of a number to reach your party.
• Message on Hold – Record your own informative company message.
• Caller ID – Caller information is verbally provided with a voice mail message.
• Conversation Record – Save and record conversations with the touch of a button.
• Live Call Screening – Listen as callers leave a message and pick up to answer.
IntraMail Pro Supports all of the features of IntraMail plus:
• Email Integration – Receive notification of a new voice mail message to your email inbox.
Notification includes the caller’s number and name and can optionally include the recorded
message as a .WAV file attachment. Additionally, Email Integration can automatically dispose of
a new message when it is sent. The email disposition options include Save When Sent (save the
voice message once the email is sent) and Erase When Sent (conversely erase the voice message).
• Email Synchronization – The status of the voice mail message is automatically updated when
you open the email and is displayed in the message. The voice mail message will be marked as
listened to and will be saved or erased based on the user’s preferences. There is no additional
setup or special email requirements. Email Synchronization works with all types of email
accounts (client or web-based).
• Cascading Message Notification – Cascading Message Notification can call you at up to five
preset destinations to let you know a new voice mail message has arrived.
• Park and Page – Allows a caller to page you without operator assistance. You can pick up the call
from any extension.
• Find Me Follow Me – The Automated Attendant can find you when you’re not at your desk.
• Wakeup Call – Great for Motels and Bed & Breakfast establishments, DSX can automatically
deliver a wakeup voice message to a room guest at a designated time. Wakeup Calls are
conveniently managed from the web-based Wakeup Call Manager at the front desk. The front
desk can set new wakeups, change those that are currently scheduled, and review the status of
wakeups that were answered or ignored.
Email Synchronization
Flexible, Intuitive Solutions for Today’s Office
Built-in Caller ID The capability for Caller ID (with Call Waiting) is inherent in every DSX system. With Caller ID, you can identify
incoming callers before the call is answered. The caller’s name and number (if available) will appear simultaneously in the display.
Logging – Stores the name, number and time/date of received
outside calls for easy review, save and redial.
Return Call – Easily return a call without manually re-entering
the caller’s number. Select from a list of choices or have the system
automatically redial the call for you.
Checking – A manager can view Caller ID information associated
with a co-worker’s line or extension.
Analog Ports – Caller ID information can be sent to analog single
line ports for use with customer-provided Caller ID accessories.
Wireless IP DECT The ML440 Wireless IP DECT handset and AP20 Access Point provide the
convenience of mobility by combining the latest VoIP and DECT communication technologies. The ML440
and AP20 use WiFi friendly DECT 6.0 (1.9 GHz) technology, so they won’t disrupt the office wireless
network. A single AP20 accommodates 30 handsets and supports 10 simultaneous calls. The extendedcoverage solution, with support for up to 20 access points, provides seamless handover. DSX supports up to
32 ML440 handsets per system.
Phone Manager Administration Tool Users and administrators can easily customize the most
frequently-used telephone features with DSX Phone Manager. There is no software to install – Phone
Manager is built into DSX and is web-based. The intuitive interface gets the user up to speed
right away with no special training required.
Customize Your Communication Solution Advanced telephone features include:
• Backlit Display and Illuminated Dial Pad – easy viewing in low light areas.
• Interactive Soft Keys – that change function as you use your phone, allowing you to access to
advanced features by just pressing a key.
• User Level Programming – easy and intuitive guided menu system for customizing the
features of your telephone.
• Hot Dial Pad – dial a call without first lifting the handset or pressing keys.
• Dual color (red/green) LEDs – to help easily distinguish between calls.
• Desk Stand – adjustable for two different positions.
• Wall Mounting – built-in for low-profile wall
mounting capability.
Wireless IP DECT
Cordless DECT
Offers mobility, plus many
standard features of the wired
telephone, including handsfree,
8 programmable feature keys
with LEDs, and a backlit display.
Range extendable via repeaters.
Wireless Headset Adapter1
Provides seamless integration
with Plantronics Wireless
Headset Systems.
22-Button Display
Offers a large display, programmable keys,
and a built-in speakerphone – making
this the most economical option without
sacrificing convenience.
34-Button Display2
The same features as the
22-Button Display, plus
additional programmable keys,
and is enhanced with a
backlit display and
illuminated dial pad.
34-Button Super Display2
All the features of the 34-Button
Display and offers our largest,
most interactive display for
advanced users. Unique light
sensors adjust the phone’s
brightness based on room lighting.
Select models.
Available in IP and digital telephone models.
DSX digital telephones and console are available in black or
white. IP and cordless telephones are available in black only.
DSS Console
For power users, provides
another 60 dual color
programmable keys.
Digital Stations
VoIP Stations4
VoIP Gateway Ports
Analog Stations
SIP Trunks
Door Box Ports
Digital Stations
VoIP Stations4
VoIP Gateway Ports
Analog Stations
SIP Trunks
Digital Stations
VoIP Stations4
VoIP Gateway Ports
Analog Stations
SIP Trunks
Voice Mail Ports
Storage Hours3
Subscriber Mailboxes
2, 4, 6, or 8
8, 16, or 32
One Pair Wiring
USB 2.0 (Full Speed)
10/100 BASE-TX Ethernet, Auto-MDIX
RS-232 Serial Port for SMDR
DSX Features
2-Position Telephone Angle Adjustment
Account Codes
Alphanumeric Display
Ambient Light Sensor
Attendant Position
Auto Redial
Auto Attendant (Built-in)
Automatic Daylight Savings Time Adjustment
Automatic Handsfree
Automatic Ring Down
Background Music
Backlit Display (selected models)
Barge In (Intrusion)
Battery Backed-up Memory
Call Coverage Keys
Call Forwarding On and Off Premises
Call Timer (with or without a key)
Call Waiting / Camp-On
Caller ID (with Call Waiting)
Caller ID Logging (CID with Return Call)
Caller ID Manual Callback
Caller ID to Single Line Telephones
Class of Service
Conference (up to 8 parties per conference)
Conference, Meet-Me
Conference, Unsupervised
Cordless DECT Telephone
Delayed Ringing
Department Groups (for Ring and UCD Groups)
Dial Number Preview
Dial Tone Detection
Direct Inward Dialing (with ANI/DNIS and DID
Translation Name)2
Direct Station Selection (DSS)
Direct Station Selection (DSS) Console
Directed Call Pickup
Directory Dialing with Search
Distinctive Ring (ICM, CO, Ring Grp, Recall)
Do Not Disturb
Do Not Disturb Override
Door Box (Analog)
Extended Ringing
Extension Hunting (Circular, Terminal, UCD)
Extension Locking
Flexible Numbering Plan
Forced Line Disconnect
Group Call Pickup
Group Listen
Group Ring
Handsfree and Handsfree Answerback
Headset Compatibility
Hold (with Recall Display)
Hold and Park Programmable Recall Cycles
Home Automation Integration (HAI-compatible)5
Hot Dial Pad
Illuminated Dial Pad (selected models)
Interactive Soft Keys
Intercom Queue Key
Internet Time Service
Language Selection
Last Number Redial
Line Groups
Line Keys
Line Queuing / Callback
Line Scheduling
Loop Keys
Meet-Me Conference
Message on Hold (Built-in)
Message Waiting
Microphone Mute
Modem (Built-In)
Monitor / Silent Monitor
Music on Hold
Names for Extensions and Lines
NAT Traversal
Night Service / Night Ring
Off-Hook Signaling
Paging (Internal and External) with Answer
Paging, Multicast
Park (with Recall Display)
Park Orbit Recall Pickup
Password Reset Utility
PBX / Centrex Compatibility
PC Program (System Administrator)
Peer-to-Peer IP Extensions
Phone Manager
Prime Line Preference
Privacy Release Groups
Private Line
PRI Calling Party Number
Pulse to Tone Conversion
Remote IP Extensions
Remote Programming
Removing Lines and Extensions From Service
Reverse Voice Over
Ring / Message Lamp
Ringdown Extension
Ringing Line Preference
Room Monitor
Save Number Dialed
Selectable Display Messaging
Silent Monitor
Single Line Telephones
SIP Trunking
©NEC Corporation of America
6555 N. State Hwy 161, Irving, Texas 75039
DSX is a trademark of NEC Corporation of America.
Some features may be optional or available at a future date. Recording of phone
calls is subject to varying state/federal laws.
The information herein is subject to change without notice at the sole discretion
of NEC.
(1093060) Rev 3, 10/11, Printed in U.S.A.
Speed Dial
Split (Alternate)
Station Message Detail Recording
System Programming Backup and Restore
System Programming Password Protection
T1 Lines2
Temperature Display
Tie Lines2
Time and Date
Toll Restriction
Transfer (with Recall Display)
Upgrades via License for VoIP Ports
User Level Programming
Voice Mail
Voice Over
VoIP Extensions
Volume and Contrast Controls
Walking Class of Service
Wall Mount / Desk Stand (Built-in)
Wireless Headset Adapter (WHA)
Wireless IP DECT (ML440)
IntraMail Features
Announcement Message
Answering Machine Emulation / Call Screen
Auto Time and Date Stamp
Autoplay Messages
Automated Attendant
Broadcast Message
Caller ID (with Return Call)
Centrex Transfer
Conversation Record
Directory Dialing
Distribution Lists
Email Integration with Name3
Email Synchronization3
External Transfer
Fax Detection
Find Me Follow Me3
Flexible Answering Schedules
Interactive Soft Keys
Message Center Mailbox
Message Disposition3
Message Notification (Local and Remote)
Message Notification (Cascading3)
Multilingual Prompts (English, Spanish, French)
Multiple Company Greeting (8)
Number of Messages Displayed
Park and Page
Personal Greeting (3)
Security Code (with Option)
Single Digit Dialing
System Administrator
Upgrade Licenses for IntraMail Ports and IntraMail Pro
Voice Mail Overflow
Voice Prompting Messages
Wakeup Call3
Capacities listed are system maximums and may be limited
by system configuration.
DSX-80/160 only.
Requires IntraMail Pro.
Connectivity limited by available VoIP Gateway ports.
HAI-Compatible systems include Omni IIe, OmniPro II,
Lumina, and Lumina Pro.
To find out more about the DSX contact your local
NEC dealer, visit our website at,
or call 800-365-1928.
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