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ZIP2x2 User’s Manual
If the far end phone rejects the request to enable encryption, your phone beeps three times
through the audio channel you are using, and displays:
The phone holds this display for two seconds, until you press a key, or go on hook.
7.4.2.4
Answering a Call With Encryption Normally On or Normally Off
Your phone automatically configures itself to engage or not engage encryption depending on the
request from the calling device. Your phone makes no sound and makes no change to the LCD.
It lights the LED on the
Encrypt
button continuously green if encryption is engaged.
7.4.2.5
When the Other Party Turns on Encryption During a Call
If your phone has been configured to allow encryption, the phone immediately accepts the
encryption request and lights the LED on the
Encrypt
button continuously. The speech is now
secure. Your phone makes no sound and makes no change to the LCD.
7.4.2.6
When You Turn Off Encryption During a Call
To turn off encryption on a call prior to dialling:
•
If the phone is configured so that encryption is
normally off
, the phone does not attempt to
encrypt the call when you initiate it.
•
If the phone is configured so that encryption is
normally on
, press a free call appearance
button then press the encrypt button.
If you turn off the encryption during a call, your phone turns off the LED on the
Encrypt
button.
The speech is no longer encrypted and therefore not secure.
If you try to turn off encryption and the other person is using a device that can accept only
encrypted speech, the other device will reject the request and your phone will flash the
Encrypt
LED for two seconds (250 ms on and 250 ms off). The speech will remain encrypted and thereafter
the
Encrypt
LED remains lit continuously.
7.4.2.7
When the Other Party Turns Off Encryption During a Call
If the person with whom you are talking turns off the encryption, your phone beeps three times
through the audio channel that you are using, turns off the LED on the
Encrypt
button, and
displays:
The phone holds this display for two seconds, until you press a key, or go on hook.
1. Can’t Encrypt
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1. Can’t Encrypt
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Содержание ZIP2x1
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Страница 139: ...A Menu Structure 129 Self Test section 8 6 Ping Loop switch Buttons keys LEDs LCD Audio Audio Return...
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Страница 195: ...Index 185 Z ZIP2x1 features 2 ZIP2x2 features 2...
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