System Feature Overview 31
68007024085 April 2011
2.3.3.1 PTT ID and Aliasing
This feature allows the target radio to identify the originator of a call. If programmed with the radio
CPS (Customer Programming Software), a user friendly alphanumeric name or “alias” can also be
displayed. These user friendly aliases are also used when initiating voice calls and digital signaling
features. The alias information in the transmitting radio should correspond with the alias
information in the receiving radio. The transmitting radio ID is sent over-the-air and, if there is an
alias for that ID in the receiving radio, the receiving radio displays the alias. If no alias is configured
at the receiving radio for that ID, then only the transmitting radio's ID is shown.
2.3.3.2 Radio Enable/Disable
There are two ways to enable/disable a radio:
• by another radio, typically in a supervisory role, that sends Inhibit/Uninhibit command
using over-the-air signaling, or
• by a third-party application connected to the repeater, that sends Inhibit/Uninhibit
command using the ADP application.
2.3.3.2.1 Using Over-the-Air Signaling
The Radio Disable feature can be used to stop any inappropriate use of a radio, or to prevent a
stolen radio from functioning. In MOTOTRBO systems, Radio Disable is configured in the portable
and mobile radios with the CPS. To allow a radio to use this function, it must be enabled in the
CPS “Menu” settings. To permit (or prevent) a radio from receiving and responding to this
command, go to the “Signaling Systems” settings in the CPS.
When disabled, the radio's display blanks and the radio is no longer able to make or receive calls.
The radio can still be turned on and off; this indicates that the radio has not failed, but is disabled.
Once disabled, a radio can also be enabled via the CPS. All radios are configured to accept Inhibit
commands by default, but this can be disabled via the CPS.
For over-the-air radio enable signaling to be successful, the target radio must be turned on and be
within coverage of the site it was disabled at. This is important since a disabled radio locks onto
the site or channel on which it was disabled, even after a power cycle. To receive an enable
command over-the-air, the radio also has to be within coverage of the site where the disabling
occurred. This may also be accomplished by communicating with the radio on the talkaround
frequency of the site in which it was disabled.
2.3.3.2.2 Using the ADP Application
The Radio Enable/Disable feature can also be initiated utilizing an IP-based ADP application –
provided the repeater configuration supports IP Site Connect (wide area slot or local area slot) or
Capacity Plus mode of operation, and the application supports the operation.
For further details on how an IP-based ADP application is supported in the different modes of
operation, refer to sections 2.16.2.1 “ADP Interface with IP Site Connect”, 2.16.2.2 “ADP Interface
with Capacity Plus” and 2.16.2.3 “ADP Interface with IP Site Connect and Capacity Plus”.
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