Crypto Menu; Enabling Or Disabling Sim Card End-To-End Encryption; Setting Clear Call Alarm - Motorola MTP8550Ex Feature User Manual

• Encryption N/A (clear)
4.21

Crypto Menu

This sub-menu allows you to manage SIM card based End-to-End Encryption.
The End-to-End Encryption is used for:
• Encryption of voice transmission in the DMO and TMO Modes.
• Encryption of messages transmission in the TMO Mode.
• Encryption of messages transmission in the DMO Mode (the radio cannot be in call).
• Encryption of position data (GPS) transmission in the TMO and DMO Modes.
• Transfer of Operational Tactical Address (OPTA) in the TMO and DMO Modes.
• Management of encryption keys in the TMO Mode.
4.21.1

Enabling or Disabling SIM Card End-to-End Encryption

Prerequisites:
Ensure that:
• the SIM card is inserted in the radio.
• the radio is not in an active call.
• you cannot press the PTT button.
Procedure:
To enable or disable the SIM card End-to-End Encryption, choose one of the following ways:
If...
If the One-Touch button is configured by
your service provider,
If you want to operate from the menu,
Your radio displays prompts indicating your current encryption state: an appropriate status icon
and the Encryption On or Encryption Off message.
4.21.2

Setting Clear Call Alarm

The Clear Call Alarm menu is used to configure an alarm tone to notify on any clear transmission.
Procedure:
1 From the home screen, press the Menu key.
2 Select More . . . → Crypto Menu → Clear Call Alarm.
3 Select Simplex Calls or Duplex Calls.
Then...
press the One-Touch button.
perform the following actions:
a Press Menu → Crypto Menu → Crypto
Function.
b Select Encryption On to enable or En-
cryption Off to disable encryption.
MN002041A01-AH
Chapter 4: Main Menu
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