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Wireless PA & Telephony

wirelesspa1Open Access has provided innovative communications solutions since 1986 and in the process has developed a reliable, modular platform that provides a range of leading edge features on the back of proven components. The NetSpire™ Integrated Communications System is a distributed voice communications platform supports wireless public address and telephony capabilities.

The NetSpire™ platform’s support for converging technologies to enhance voice and data applications allows flexible solution design – such as a wireless handsets subsystem which allows users to perform a variety of operations including telephony, duress alarms, public address, and initiation of automated announcements – all at the touch of a button.

Features & Capabilities

  • Automatic Gain Control for LLPA & DVA Audio Output
  • Automatic Queuing ⁄ Stacking of Announcements
  • Email Client Support for Group SMS Messaging
  • Real Time Audio Status & Health Monitoring
  • Server PABX Integration Options
  • Support for Configurable Audio Zones
  • Timetabling (CTC) and Control System Integration
  • Wireless Handset Control for Public Address & DVA
  • Wireless Handset Control for Telephony, SMS & Duress Alarm
  • Wireless Handset Real Rime Database Interaction


Wireless DECT handsets are used by staff for a range of system features – including telephony, duress alarms, public address, and to initiate DVA announcements. Operation requests are directed to and from local Gateway units where they are controlled and managed. Gateway units can also contain real time database information (such as service timetable data) which can be accessed and updated via the wireless handsets. Real time data is passed to and from the database via the Communications Exchange.


Click here to view related telephony components