Yealink SIP-T48G Administrator's Manual page 286

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Details of Configuration Parameters:
features.dtmf.hide
Description:
Enables or disables the IP phone to suppress the display of DTMF digits during an
active call.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the DTMF digits are displayed as asterisks.
Web User Interface:
Features->General Information->Suppress DTMF Display
Phone User Interface:
None
features.dtmf.hide_delay
Description:
Enables or disables the IP phone to display the DTMF digits for a short period before
displaying asterisks during an active call.
0-Disabled
1-Enabled
Note: It works only if the parameter "features.dtmf.hide" is set to 1 (Enabled).
Web User Interface:
Features->General Information->Suppress DTMF Display Delay
Phone User Interface:
None
To configure suppress DTMF display and suppress DTMF display delay via web user
interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Suppress DTMF Display.
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Parameters Permitted Values Default
0 or 1
0 or 1
0
0