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AN VPA-Wired SLT Door Phone

AN VPA-Wired SLT Door Phone – Voice, Power, Access

Designed to streamline your communication needs, our AN VPA-wired SLT Door Phone ensures seamless connectivity and efficiency for your business. Whether you’re managing incoming calls, initiating intercom conversations or allowing access, this device is your ultimate solution.





  • Door Phone−Auto answers incoming calls
  • Supports PSTN, PBX – SLT and FXS connectivity
  • 24 – 48 v lines
  • Disconnects on detecting busy tone or after 5 minutes
  • A call is initiated by pressing the call button
  • Press again to disconnect the call
  • Intercom call will disconnect if there is 30 seconds of silence
  • 10 phone numbers can be stored in the door station
  • The cadence and frequency of ring back tone and busy tone received by the door station can be manually programmed to match that of the PABX, PSTN or ATA
  • Easy to program with the inbuilt voice wizard assistant
  • A confirmation voice announcement is provided when programming
  • Inbuilt relay to activate device(s)
  • Surface mount cabinet included
  • Dimensions:
    • AN VPA (Indoor Model) – 95mm (W) x 140MM (H) x 26MM (D)
    • AF VPA (IP 65 Rated Outdoor Model) – 115mm (W) x 190mm (H) x 40 (D)


Key Features:
Versatile Connectivity:

Our system supports various connections including PSTN, PBX – SLT, and FXS, with 24-48 V lines, ensuring compatibility with different setups.

Automated Call Handling:

Incoming calls are answered automatically, and the system can detect a busy tone or end the call after 5 minutes, optimising call management.

User-Friendly Interface:

Initiating calls is as simple as pressing a button, with easy-to-understand instructions for both initiating and ending calls.

Efficient Intercom Functionality:

Intercom calls are efficiently managed, automatically disconnecting after 30 seconds of silence, ensuring effective communication.

Customisable Settings:

Tailor the system to your specific needs with the ability to program ring back tones and busy tones to match your existing setup, ensuring seamless integration.

Intuitive Programming:

Utilise the inbuilt voice wizard assistant for easy programming, with confirmation voice announcements to guide you through the process.

Reliable Activation:

With an inbuilt relay, you can effortlessly activate connected devices, enhancing overall operational efficiency.

Easy Installation:

The system comes with a surface mount cabinet included, simplifying the installation process for your convenience.

Indoor and Outdoor: 

This AN VPA is our indoor model; if you are requiring IP65 rating, please see our Outdoor Model AF VPA

Experience the future of communication with Aristel’s AN VPA Door Phone Auto Answer System. Whether you’re a small business or a large enterprise, our solution is tailored to meet your needs, ensuring unparalleled efficiency and reliability. Join countless satisfied customers and revolutionize your communication setup today!