The aim of this article is to give an overview on the basic implementation of Emergency mode for PoC devices.
A dynamic group is a temporary group. When a device initiates an emergency call (DN radio or Smartphone), a new ‘dynamic’ group is created.
By default, (options available)
1. Emergency calls are semi-full duplex. The initiating radio transmits ‘open’ mic continuously (no TX/RX cycles) on a new ‘dynamic’ Emergency group. (not on related to the current selected group). The receiving radio or dispatcher must press their PTT to talk back to the initiating radio (or smartphone), and while PTT is pressed, the call is then in ‘full duplex’ mode. (i.e. transmitting and receiving simultaneously).
2. All devices are always listening for this ‘Emergency’ group. (unless receive emergency calls is set to disabled)
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