Yealink SIP-T48G

Configuring Basic Features
385
DTMF.
Parameter:
features.dtmf.duration
Configure the frequency level
of DTMF digits.
Parameter:
features.dtmf.volume
Local
Web User Interface
Configure the method of
transmitting DTMF digits and
the payload type.
Navigate to:
http://<phoneIPAddress>/servl
et?p=account-adv&q=load&ac
c=0
Configure the number of times
for the IP phone to send the end
RTP Event packet.
Navigate to:
http://<phoneIPAddress>/servl
et?p=features-general&q=loa
d
Details of Configuration Parameters:
Parameters
Permitted Values
Default
account.X.dtmf.type
0, 1, 2 or 3
1
Description:
Configures the DTMF type for account X.
0-INBAND
1-RFC 2833
2-SIP INFO
3-RFC2833 + SIP INFO
If it is set to 0 (INBAND), DTMF digits are transmitted in the voice band.
If it is set to 1 (RFC 2833), DTMF digits are transmitted by RTP Events compliant to RFC
2833.
If it is set to 2 (SIP INFO), DTMF digits are transmitted by the SIP INFO messages.
If it is set to 3 (RFC2833 + SIP INFO), DTMF digits are transmitted by RTP Events
compliant to RFC 2833 and the SIP INFO messages.