Administrator's Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
It enables or disables the IP phone to display the DTMF digits for a short period before displaying asterisks
during an active call.
Description
Note: It works only if "features.dtmf.hide" is set to 1 (Enabled).
Permitted
0-Disabled
1-Enabled
Values
Default
0
Web UI
Features->General Information->Suppress DTMF Display Delay
Transfer via DTMF
Call transfer is implemented via DTMF on some servers. The IP phone sends specified DTMF digits to the server for trans-
ferring calls to third parties.
Topic
Transfer via DTMF Configuration
Transfer via DTMF Configuration
The following table lists the parameters you can use to configure the transfer via DTMF.
Parameter features.dtmf.replace_tran
It enables or disables the IP phone to send DTMF sequences for transfer function when pressing the
Description
Tran/Transfer soft key or TRAN/TRANSFER key.
0-Disabled, the IP phone will perform the transfer as normal when pressing the Tran/Transfer soft key or
TRAN/TRANSFER key during a call.
Permitted
Values
1-Enabled, the IP phone will transmit the designated DTMF digits to the server for performing call transfer
when pressing the Tran/Transfer soft key or TRAN/TRANSFER key during a call.
Default
0
Web UI
Features->General Information->DTMF Replace Tran
Parameter features.dtmf.transfer
It configures the DTMF digits to be transmitted to perform call transfer. Valid values are: 0-9, *, # and A-D.
Example:
Description
features.dtmf.transfer = 123
Note: It works only if "features.dtmf.replace_tran" is set to 1 (Enabled).
Permitted
String within 32 characters
Values
Default
Blank
Web UI
Features->General Information->Tran Send DTMF
Local DTMF Tone
Local DTMF tone allows IP phones to play a local DTMF tone during an active call. If this feature is enabled, you can
hear the DTMF tone when pressing the IP phone's keypad during a call.
Topic
366
<y0000000000xx>.cfg
<y0000000000xx>.cfg