Voice communication gateway

Connect your radio networks with the phone networks

Connect your radio and telephone networks in one place. Fully automatic system with convenient control via a remote computer.

Hlasová komunikačná brána

Voice communication gateway


Hlasová komunikačná brána AT21201

The AT21201 voice communication gateway provides a fully automatic and maximally unattended transition from IP telephony networks to radio networks and vice versa. It is also possible to select the basic parameters of the connected radio station directly from a phone.

The radio gateway also enables automatic radio retransmission and the connection of two telephone networks via a radio link. Optionally, a graphic PC application is available to supervise and control the operation of the radio gateway.

  • Automatic access to radio networks

  • Support for both analogue and digital telephone systems

  • Convenient control via remote PC

In addition to radio gateway functions, the device also provides the VoIP functions of a telephone exchange and various analogue and digital voice interfaces.

Technical specifications


  • 2 x Ethernet (LAN/WAN or data and control separation)
  • 1 x E1 (ISDN PRI)
  • 1 x ISDN BRI (2B+D)
  • 2 x FXS analogue interface
  • 2 x FXO analogue interface
  • 2 x MB analogue interface
  • 4 x analogue radio interface (E&M with modified levels and RS-232 for radio control)
  • 1 x electric power supply
  • 1 x RS-232 for device management