Polycom SIP 2.2.0 사용자 설명서
Configuration Files
A - 25
Dual Tone Multi-Frequency <DTMF/>
This configuration attribute is defined as follows:
Attribute
Permitted
Values
Values
Default
Interpretation
tone.dtmf.level
-33 to -3
-15
Level of the high frequency component of
the DTMF digit measured in dBm0; the
low frequency tone will be two dB lower.
the DTMF digit measured in dBm0; the
low frequency tone will be two dB lower.
tone.dtmf.onTime
positive
integer
integer
50
When a sequence of DTMF tones is
played out automatically, this is the length
of time in milliseconds the tones will be
generated for; this is also the minimum
time the tone will be played for when
dialing manually (even if key press is
shorter).
played out automatically, this is the length
of time in milliseconds the tones will be
generated for; this is also the minimum
time the tone will be played for when
dialing manually (even if key press is
shorter).
tone.dtmf.offTime
positive
integer
integer
50
When a sequence of DTMF tones is
played out automatically, this is the length
of time in milliseconds the phone will
pause between digits; this is also the
minimum inter-digit time when dialing
manually.
played out automatically, this is the length
of time in milliseconds the phone will
pause between digits; this is also the
minimum inter-digit time when dialing
manually.
tone.dtmf.chassis.masking
0, 1
0
If set to 1, DTMF tones will be substituted
with a non-DTMF pacifier tone when
dialing in hands-free mode. This prevents
DTMF digits being broadcast to other
surrounding telephony devices or being
inadvertently transmitted in-band due to
local acoustic echo.
with a non-DTMF pacifier tone when
dialing in hands-free mode. This prevents
DTMF digits being broadcast to other
surrounding telephony devices or being
inadvertently transmitted in-band due to
local acoustic echo.
Note: tone.dtmf.chassis.masking should
only be enabled when tone.dtmf.viaRtp is
disabled.
only be enabled when tone.dtmf.viaRtp is
disabled.
tone.dtmf.stim.pac.offHookOnly
0, 1
0
Not currently used.