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GMG Applications


DAMM’s TetraFlex® is supplied with an Application Programming Interface (API) to provide the flexibility for 3rd party engineers to develop custom made applications or interfaces to meet market needs. The API interfaces to the TetraFlex® system via a standard IP interface. The distributed controller architecture of the TetraFlex® system, ensures network design flexibility and redundancy for these applications or interfaces to be placed anywhere on the TetraFlex® network.


GMG Solutions have developed customer focused API solutions including:

  • Analog to TETRA Gateways
  • Message or Blast Alarm Player
  • Fleet Management tool

In addition, GMG are currently developing API gateways such as Terminal “Login/Logoff”, “GEO-Fencing”, “proximity Alert”.

Permanent link to this article: http://gmgsolutions.com.au/shop/gmg-solutions/gmg-applications/


RoIP Gateway

The IP (RoIP) gateway provides a flexible and robust bridge between analogue radio systems and TETRA’s digital technology. With direct IP connections to RoIP gateways such as the Omnitronics IPR100/400 and the TetraFlex® API, minimise call setup times and audio delays. Analogue and TETRA users are unaware that they are communicating on two different technologies. …

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Message Player

Message Player

The IP based Message Player gateway provides remote activation of pre-defined audio and text messages to be played and transmitted across the TETRA network. Features include: Simple activation and deactivation of multiple text and/or audio messages from TETRA terminals. Dynamically configured ‘Play Settings’ via formatted SDS Text. User configurable wave play settings include: Talkgroup selection …

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Fleetmanager lite

Fleet Manager Lite

GMG utilises Dynamic Group Number Assignment (DGNA) and reassignment to allow virtual Over The Air Programming (OTAP) of TETRA terminals. DGNA enhances the flexibility of operators to assign (and later reassign) subscribers new Talkgroups that are not originally programmed into a terminal. For example, users from the Police, Fire and Ambulance could be brought together …

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Terminal Login

When a radio terminal is used as a shared resource, the association of a terminal’s fixed Individual TETRA Subscriber Identity (ITSI) and the radio user will rarely be the same. Through the use of aliasing, a terminal user or Back End Application (BEA) can associate a radio user to terminal ITSI provide terminal and user …

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