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Configure DTMF mode system-wide:
Flags, DTMF automatic
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| Check system-wide DTMF mode:
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| The connection automatically switches over to DTMF mode after it is successfully set up.
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| Each keystroke on the dialing keypad transmits a DTMF signal.
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| Check temporary DTMF mode:
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| Enter code *53 after the connection is successfully set up.
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| Each keystroke on the dialing keypad transmits a DTMF signal.
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| Use the input procedure to lock the telephone.
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| After the communication system has been programmed, you can no longer place the external calls prohibited by the class of service.
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| Lift the handset at the station.
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| The telephone connects to the hotline destination as configured (immediately or after a timeout).
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| When the LED on the Mobile PIN key lights up, the feature is activated.
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| The LED goes out when you terminate the call.
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| Trunks, Assign lines (B channels) to the correct routes
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| Set up a series of connections in the affected routes.
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| Check the status of the boards to see whether a B channel on the required route was seized each time.
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