Relay On

Last Updated : Aug 30, 2026 |
Prolog information
Resource Id: 9103
This feature closes the specified switch in the system's external output (EXT O/P) port.
This feature is not supported on Linux based systems. For Server Edition, this option is only supported on Expansion System (V2) units.

Details

  • Telephone Number: Switch number (1 or 2).
  • Default Short Code: *39 (Switch 1), *42 (Switch 2), *9000*.
  • Programmable Button Control: Rely+
  • See also: Relay Off, Relay Pulse.
  • Release: 1.0+.

Example

This short code is a default within the system configuration. This short code is useful for companies that have external devices, such as door controls, connected to the system. Based on this sample short code, a user dialing *42 is closing switch number 2 to activate an external device.
  • Short Code: *42
  • Telephone Number: 2
  • Feature: RelayOn

Analog Modem Control

On systems with an analog trunk card in the control unit, the first analog trunk can be set to answer V.32 modem calls. This is done by either selecting the
IP500 ATM4 Uni Trunk Card Modem Support It is not required to switch the card's modem port on/off. The trunk card's V32 modem function can be accessed simply by routing a modem call to the RAS service's extension number. The modem call does not have to use the first analog trunk, instead the port remains available for voice calls.