AASTRA 6739i User Guide EN - Manual (Page 173)

Additional Features
41-001317-05 REV01 – 06.2013
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Display DTMF Digits
A feature on the 6739i allows users to enable or disable DTMF (dual-tone multi-frequency) digits to display to the IP phone
when using the keypad to dial, or when dialing from a programmed key.
DTMF is the signal sent from the phone to the network that you generate when you press the phone’s touch keys. This is
also known as “touch-tone” dialing. Each key you press on your phone generates two tones of specific frequencies. One
tone is generated from a high-frequency group of tones and the other from a low frequency group.
If you enable the Display DTMF Digits parameter, the digits you are dialing from the keypad or from a programmable key
display to the IP phone’s LCD display. This parameter is disabled by default (no digits display when dialing).
You can enable the "Display DTMF Digits" parameter using the Aastra Web UI.
Configuring Display of DTMF Digits
Use the following procedure to configure the display of DTMF digits on the IP phone:
Aastra Web UI
Note:
"Display DTMF Digits" is disabled by default.
1. Click on Basic Settings->Preferences->General.
2. Enable the "Display DTMF Digits" field by checking the check box.
Disable this field by unchecking the box). Default is disabled.
3. Click Save Settings.