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Quanta Syspine DOS-A50 Digital Operator System 4-Line Microsoft Response Point


Out of stock

SKU: 262804931532 Category:

Product Description

What You’ll get:

  • Quanta Syspine DOS-A50 Digital Operator System 4-Line Microsoft Response Point

  Cables, Power Adapter, Phones, and other Accessories NOT INCLUDED.

Other Accessories that are Not pictured or mentioned under “What You’ll Get” are  Not  included

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Pulled from a working environment. Unit tested to power on with no problems. All buttons and controls are functional and responsive. Works great!
Guaranteed Working!


Pictures are of the actual unit. Light scratches and scuffs from typical use, but very clean overall. Please reference pictures for cosmetics.


Taken from the Internet: 

  • Powered by Microsoft Response Point Software
  • Set-up Wizards for ease of configuration
  • Voicemail to e-mail forwarding
  • Plug and play for external phone line connection
  • Gigabit Ethernet support for DOS-A50
  • Power over Ethernet capability (extra hardware may be required)
  • External and internal caller ID (Name & Number) display
  • Call history (missed calls, received calls, and dialed numbers)
  • 3 way conference


  • End to End

    The Syspine Digital Operator A50 is an all-in-one IP telephony system that applies IP PBX methodology to drive standard telephone lines and optional security gateway (Internet connection, VPN, firewall…etc.). With the option to add up to 50 Syspine IP Phone 310 business phones, we can provide you with an end-to-end VoIP phone system that integrates all of your office communication needs.

  • Easy to Manage

    With Syspine’s user-friendly management console, it takes only a few minutes to set up a new phone, change preferences for voicemail or call handling, and create a call distribution list. The status of the system is displayed on the small screen of the Digital Operator A50 and helps your system administrator to easily figure out and solve problems.

  • Ultra-reliable Fanless Design

    The Syspine Digital Operator A50 is high-end, server-grade design hardware with fanless housing. Featuring a frame with revolutionary high-quality lacquering, this highly reliable system not only caters to your communication needs, but also looks attractive, works extremely quietly and can be installed nearly anywhere in your office (flat on a desk, standing upright, mounted on a wall).

  • Easy to Install

    Compared with existing IP PBX systems, the Syspine Digital Operator Phone System can easily be installed within minutes. Just follow the Microsoft configuration wizard’s simple steps. No special IT / IP telephony knowledge or skills are required. You can successfully set up the system by yourself, just plug and dial!

  • Easy to Use

    With the Syspine small business phone system solution, you can get rid of the nightmare of confusing telephone key strokes and long programming manuals. Thanks to Syspine’s integrated solution of IP telephony and voice recognition, you just need to pick up your handset, press the Syspine IP phone Response Point button and say the recipient’s name to call. The system will retrieve the relevant phone number from the company directory or your Microsoft Outlook address book, and dial the recipient for you. Transferring, parking and retrieving calls have never been so easy!



A lot of work has been put into the design of the Syspine Digital Operator Phone System to deliver a very cost effective business communications solution which can operate on existing LAN cabling infrastructure. The Digital Operator System A50 (DOS-A50) is an IP-PBX phone system designed for growing small businesses with up to 50 desktops.

Syspine Digital Operator Phone System is powered by Microsoft Response Point. Syspine is the Microsoft certificated hardware vendor for Response Point software and pioneered a compact, server-grade, fan-less design to provide the most reliable VoIP Phone system for small business.


  • Maximum Analog PSTN Lines: 4
  • Maximum Extensions : 50
  • Line Interface :
    • 1 Module with 4 FXO ports
    • 1expansion slot for additional 4 FXO ports
    • 1Loop start analog lines
    • 1 RJ11 connector (1 pair)
  • LAN Interface :
    • 10/100/1000 Mbps auto-sensing
    • 1 RJ45 Connector
  • USB:
    • 3 USB ports for future expansion
    • USB 2.0/1.1 compliant
  • Audio Port :
    • 1 line out jack for external PA system
    • 1 line in jack for future expansion
  • On-box Management:
    • 2 × 16 characters, 5 x7 dot LCD
    • 4 way/Enter button for selecting option
    • IP button for checking IP address
    • Reset button to restart the DOS-A50
    • Tri-color LED for system status checking
  • Event Log: Ease of troubleshooting/administration
  • Protocols:
    • SIP 2.0 (RFC-3261)
    • RTP (Transfer Protocol)
  • Voice Codec :
    • VAD (Voice Activity Detection)
    • CNG (Comfortable Noise Generation)
    • Line echo cancellation (G.168)
    • Adaptive Jitter Buffer Management
    • G.711 (?-law), G.729
  • Caller ID: Bellcore/DTMF
  • Auto Attendant :
    • Up to 8 concurrent calls processed by auto attendant
    • Speech recognition, including nickname
    • Automated answers to frequently asked questions such as location, hours of operation, and FAX number
    • Contact directory
  • Voicemail:
    • Built-in voicemail system
    • Voice mail messaging forwarding to E-mail
    • Approximately 100 hours voicemail storage
    • Outlook Integration: Import contacts from Microsoft Outlook
    • Voice dialing to contacts imported from Microsoft Outlook
  • Client Utility :
    • Customize personal settings
    • Screen pop-ups display caller ID name and number or Outlook contact look up
    • Call forward settings user management
  • Administration :
    • Seamless setup and administration
    • Phone auto discovery and provisioning
    • Set up Wizards for ease of configuration
  • External Access: Specified number by caller ID authentication and password protected external access to user phones
  • Bypass Receptionist : Bypass receptionist function for specific outside calls to specific station
  • All Call Ringing for Groups: Ring all phones in a particular department
  • PSTN Line:
    • Plug and play telephone line support
    • Reserve specific lines for incoming calls only
  • WAN Interface :
    • 10/100 Mbps auto-sensing
    • 1 RJ45 connector
  • Features :
    • DHCP server with NAT
    • Static/PPPoE/DHCP for broadband type selection
    • Support up to 20 VPN connections (PPTP/IPsec)
    • Firewall to protect your network from Internet attacks
    • QoS bandwidth for voice traffic
  • Power :
    • External power adapter
    • Voltage: 100VAC~240VAC
    • Frequency: 50/60Hz






Additional Information

Weight 12 lbs






Not Included

Power Cord/Cables/Phones/Anything Else Not Mention


Does Not Apply