NEC DSX 40, 80 & 160 phone systems
The NEC DSX phone system has been discontinued.
The NEC DSX phone system has been officially discontinued, and we understand that this may come as a disappointment, especially if you’ve relied on it for your business communication needs.
However, we offer a wide range of phone system solutions that offer modern business features – such as voice, chat, video conferencing, file sharing, and mobile apps – that will boost your productivity at an affordable price.
We can help you upgrade
Our team is here to answer any questions, or provide you with a no obligation quote. Give us a call at (984) 201-2000 or use the form below to contact us. We’re looking forward to helping you!
What is the NEC DSX?

The NEC DSX is a business telephone system designed by NEC, a global communications and technology company.
The NEC DSX series includes three models: the DSX-40, DSX-80, and DSX-160. Each model had very similar call features, with the main difference being how large the system could be expanded to accommodate phones and phone lines.
It's ability to expand made this digital phone system an ideal solution for small, medium, or even large-sized businesses.
NEC DSX phone system models
The NEC DSX came in three models, based on the size of your business an how phones and lines you required.
- NEC DSX-40:
The NEC DSX-40 supports up to 8 analog POTS lines and 24 digital phones. - NEC DSX-80:
The NEC DSX-80 supports up to 32 analog POTS lines and 32 digital phones. - NEC DSX-160:
The NEC DSX-160 supports up to 64 analog POTS lines and 96 digital phones.
DSX standout features
- Call handling features: Includes features like call forwarding, call transfer, and automated attendants.
- Reliability: NEC DSX phones are sturdy, long-lasting, and well-built. The phone system and its internal components are reliable and rarely need maintenance or replacing.
- Flexible extensions: The DSX supports a range of extensions, allowing businesses to scale their phone system as needed.
- Voicemail integration: IntraMail voicemail provides user and department mailboxes for efficient message management. It also provides multi-language auto-attendant call routing and on-hold messaging.
- Cost-effectiveness: Aimed at delivering a balance of functionality and affordability for growing businesses.
The NEC DSX built a great reputation based on its reliability and ease of use, making it a popular choice for businesses looking to enhance their communication infrastructure.
NEC DSX upgrade options
NEC SL2100 (On-premise)
Upgrading from an NEC DSX phone system to the NEC SL2100 can offer several advantages due to the advancements in technology and features.
Modern technology and features
- VoIP capability: Supports Voice over IP (VoIP), which can reduce costs and provide more flexibility with remote and mobile workforces.
- Greater capacity: The SL2100 can handle more users and lines, making it suitable for growing businesses or those that anticipate expansion.
- Advanced call handling: Features like advanced call routing, voicemail-to-email, and sophisticated auto-attendant options provide a more professional and efficient call management experience.
- Lower total cost of ownership: The NEC SL2100’s advanced features and VoIP capabilities can reduce long-term costs by replacing your expensive copper phone lines with SIP trunks.
- Enhanced user experience: Improved phone interfaces offer a more seamless and productive experience for employees.
Grandstream UCM6300 (On-premise)
The Grandstream UCM6300 phone system is a VoIP-hybrid system featuring enterprise-grade features with no licensing fees. This system offers several benefits that make it a strong choice for businesses looking for a comprehensive communication solution.
- Unified communication: The UCM6300 integrates voice, chat, and voicemail across various devices, streamlining communication.
- Wide variety of phones: IP desk phones, cordless phones, and conference phones that can be used onsite or at remote offices. Plus audio & door phones, paging equipment, and support for analog (SLT) phones and fax machines.
- Scalability: Can easily scale to accommodate growing businesses, allowing for the addition of new users and features without significant investment.
- Security: Built-in security features, such as encryption and VPN support, help protect sensitive communications.
- Mobility: Supports remote work with mobile apps and remote extensions, enabling employees to stay connected from anywhere.
- Reliability: Designed for high availability and performance, minimizing downtime and ensuring consistent communication.
NEC Univerge Blue (Cloud PBX)
NEC Univerge Blue is the all-in-one integrated business phone, video, chat, file sharing and contact center platform that makes hybrid and remote-working work better.
- 100+ phone system features: Plug into the cloud and gain access to high-definition audio with 100+ advanced phone system features..
- Free calling US, Canada, Puerto Rico
- HD quality voice
- Voicemail to email
- Voicemail transcription
- Mobile & desktop apps
- Call recording
- Call history
- Visual voicemail
- Auto-attendant
- Hunt groups
- Call waiting, transfer, hold
- Caller ID
- Extension to extension dialing
- Call pickup
- Call park / park pickup
- 3-Way calling
- Music on-hold
- Paging
- Intercom
- Busy lamp field (BLF)
- Do not disturb
- Analog or web fax compatibility
- and more
- Voicemail: With Univerge Blue you no longer need to be beside your business phone in order to listen and access your business voicemails. Listen and manage voicemails from the desktop phone, or through the mobile app.
- Check voicemail online
- Message notification via email and SMS
- Voicemail transcription*
- Forward voicemail
- Message waiting indication
- Delete, skip, or save messages
- Voicemail to email via a MP3 file
- Auto-delete of voicemail after 90 days
- Playback control when receiving messages
- Change personal greeting and PIN
- Team chat: Improve teamwork with team chat! Real-time interaction boosts connectivity and productivity.
- Send and receive messages, with attachments, from any device
- Mobile and desktop chat messages are instantly synchronized
- Group chat or 1-to-1 messaging
- View presence statuses of all your contacts
- Pin favorite contacts to the top of your list
- Access to full chat history at anytime
- Video conferencing: Univerge Blue Meet provides one-click video meetings, so you'll stay connected no matter where you are in the world. Go from sharing ideas to delivering work, all in one place.
- File sharing & backup: Univerge Blue Share gives you direct access to your files from any device. Teams can review recent files and backup documents quickly, no matter their location.
NEC DSX system parts list
NEC DSX-40 equipment
Part # | Description | Status |
---|---|---|
DSX-1091015 | NEC DSX-40 Phone System Kit with 3-22 Key Phones | Out of stock |
DSX-1091015-VM | NEC DSX-40 Phone System Kit with 3-22 Key Phones (Black) with 2-Port Voicemail | Out of stock |
DSX-1091026 | NEC DSX-40 Phone System with 3-34 Key Phones (Black) & 2-Port IntraMail | Out of stock |
DSX-1090001 | NEC DSX-40 Phone System 4x8x2 KSU | Out of stock |
DSX-1091001 | 4-Port CO Line Card | Out of stock |
DSX-1091002 | 8-Port Digital Station Card | Out of stock |
DSX-1091003 | 8-Port Analog Station | Out of stock |
NEC DSX-80/160 equipment
Part # | Description | Status |
---|---|---|
DSX-1091022 | NEC DSX-80 Phone System 4 Slot / 8 Lines x 16 Stations KSU | Out of stock |
DSX-1091022-VM | NEC DSX-80 Phone System 4 Slot / 8 Lines x 16 Stations KSU with 2-Port Voicemail | Out of stock |
DSX-1090002 | NEC DSX-80 Phone System 4 Slot KSU Only | Out of stock |
DSX-1090003 | NEC DSX-160 Phone System 8 Slot KSU Only | Out of stock |
DSX-1091333 | NEC DSX-160 Phone System 8 Slot / 8 Lines x 16 Stations | Out of stock |
DSX-1090010 | CPU Central Processor Card | Out of stock |
DSX-1091008 | Power Supply | Out of stock |
DSX-1091009 | 8-Port CO Line Card | Out of stock |
DSX-1091005 | 16-Port CO Line Card | Out of stock |
DSX-1091004 | 16-Port Digital Extension Card | Out of stock |
DSX-1091007 | 16-Port Analog Extension Card | Out of stock |
DSX-1091010 | 8-Port Analog Station Card | Out of stock |
DSX-1091006 | T1/ PRI Digital Trunk Card | Out of stock |
Looking to upgrade your NEC DSX?
For questions or quotes, call us at (984) 201-2000.
NEC DSX tech support is available!
Our NEC certified experts are just a phone call away.