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Home  > Products > Satellite Phones > Iridium Extreme PTT Push To Talk > Glossary
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Iridium Extreme PTT Glossary Of Terms

Iridium Extreme PTT Glossary
Floor
When a PTT user has been given access to communicate with the other devices in the talkgroup (e.g., becomes the TALKER)
Home State
This state allows you to listen to activity on one talkgroup.
Idle
When a talkgroup is not active in the network, the devices that have the talkgroup as their Home Talkgroup will display IDLE.
Ignore
When a device user wishes to NOT listen to the current activity on his Home Talkgroup, the user may hit the right soft key “Ignore”. By selecting that option, the user will be excluded from communication on the Home Talkgroup for the duration of the current session.
Join
When a device user wishes to listen to a talkgroup in Home State, he may select this left soft key, when displayed. Once depressed, the new talkgroup becomes the Home Talkgroup.
Listening
When a talkgroup is active and a participant has the floor, the devices that are participating in the talkgroup will display LISTENING.
Open
When a talkgroup is active but no one has the floor, the devices that have the talkgroup as their Home Talkgroup will display OPEN.
Out of Talkgroup Area
This message is displayed on the device when the user pushes the PTT Button but is out of the talkgroup's defined area at the time.
Phone Mode
This side of the Iridium Extreme® PTT enables the use of phone calling, SMS, voicemail and SOS.
Priority Talkgroup
Each Iridium Extreme® PTT device may have one of its talkgroups identified as its priority talkgroup. This priority talkgroup will take precedence for communication over other talkgroups provisioned for the device.
Progress Tones
When a talkgroup is started up after a period of inactivity, any press of the PTT Button to initiate communications on that talkgroup will trigger a short series of beeps (approximately 1 second apart). The beeps will cease when the floor is either granted or denied.
PTT Button
The button on the right side of the Iridium Extreme® PTT device is the PTT Button that serves to request, hold and release the floor on the handset.
PTT Mode
This mode of the Iridium Extreme® PTT device enables the use of push-to-talk service.
Reject Tone
When the requested action (typically a floor control request) is denied by the service, the Reject Tone (two descending notes) is played.
Release Tone
When the floor is newly made available to the participants on the talkgroup session, the Release Tone (two ascending notes) is played to the participants.
Request Denied
When the PTT Button is pushed on a device and the activity (typically a request for floor control) cannot be completed, the text “Request Denied” is displayed - along with the Reject Tone.
Scan State
This state allows you to listen for activity on any of the talkgroups for which your device is provisioned.
Scanning
When the device is in the Scan State, SCANNING is displayed on the screen.
Talk Timer
The speaker of a talkgroup may hold the floor for 20 seconds. After 20 seconds, “Time Expired” is displayed, the Release Tone is played and the floor is made available to the talkgroup participants.
Talk Tone
When the floor is granted to the user of a device, the Talk Tone (three ascending notes) is played to that user.
Talkgroup
A talkgroup is a collection of Iridium Extreme® PTT devices that have been provisioned to transmit content to each other within a specified geographic area(s).
Talkgroup Participant
A talkgroup participant is an Iridium Extreme® PTT device that is active in the talkgroup. The active participant's device will display OPEN, TALKING or LISTENING.
Talkgroup List
The Talkgroups List screen in the Iridium Extreme® PTT device allows the user to see the list of talkgroups for which the device is provisioned, review which talkgroup is defined as the Priority Talkgroup, see the activity on the provisioned talkgroups, and switch to a new Home Talkgroup.
Talking
When a talkgroup is active and a participant has the floor, the device that has the floor will display TALKING.
Waiting for Activity
When an Iridium Extreme® PTT device is in Scan State and none of the device's talkgroups are active, “Waiting for Activity” is shown on the screen.
Waiting for Registration
This message is displayed on the device after the Switch to PTT option has been selected from the Menu. This is a transient message.



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