Yealink SIP-T2 Series

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
834
Parameters
Permitted Values
Default
Web User Interface:
None
Phone User Interface:
None
features.dtmf.volume
Integer from -33
to 0
-10
Description:
Configures the frequency level of DTMF digits (in db).
Web User Interface:
None
Phone User Interface:
None
features.dtmf.min_interval
Integer from 0 to
300
50
Description:
Configures the minimum inter-digit time (in milliseconds) between digits when a sequence
of DTMF tones is played out automatically.
Web User Interface:
None
Phone User Interface:
None
To configure the method of transmitting DTMF digits via web user interface:
1. Click on Account->Advanced.
2. Select the desired account from the pull-down list of Account.
3. Select the desired value from the pull-down list of DTMF Type.
If SIP INFO or RFC2833 + SIP INFO is selected, select the desired value from the
pull-down list of DTMF Info Type.