4.27 DTMF Settings
Value Range
Default Value
4.27 DTMF Settings
DTMF_METHOD_n
For details about parameter names that include lower-case letters (e.g., "_n", "y", "x", or "m"), see
"4.2.1 Configuration File Parameters".
Value Format
Description
Value Range
Default Value
Web User Interface Reference
OUTBANDDTMF_VOL
Value Format
Description
Value Range
Default Value
INBANDDTMF_VOL
Value Format
Description
Value Range
Default Value
DTMF_SIGNAL_LEN
Value Format
Description
Value Range
Default Value
294
Administrator Guide
•
0: Narrow Band
•
1: Wide Band
1
INTEGER
Specifies the method to notify the DTMF.
•
0: RFC2833
•
1: Inband
•
2: SIP INFO
•
3: RFC2833 & SIP INFO
Note
•
RFC2833 refers to Outband DTMF.
•
Inband refers to Inband DTMF.
0
DTMF Type
INTEGER
Specifies the volume (in decibels [dB]) of the DTMF tone using RFC
2833.
-63–0
-5
INTEGER
Specifies the volume (in decibels [dB]) of in-band DTMF tones.
-46–0
-5
INTEGER
Specifies the length of the DTMF signal, in milliseconds.
60–200
180
Document Version: 2020-04