Configuring Basic Features
247
same codec as your voice and is audible to conversation partners.
SIP INFO
DTMF digits are transmitted by the SIP INFO messages when the voice stream is
established after a successful SIP 200 OK-ACK message sequence. The SIP INFO
message is sent along the signaling path of the call. The SIP INFO message can transmit
DTMF digits in three ways: DTMF, DTMF-Relay and Telephone-Event.
Procedure
Configuration changes can be performed using the configuration files or locally.
Configuration File
<MAC>.cfg
Configure the method of
transmitting DTMF digit and the
payload type.
Parameters:
account.X.dtmf.type
account.X.dtmf.dtmf_payload
account.X.dtmf.info_type
<y0000000000xx>.cfg
Configure the number of times
for the IP phone to send the end
RTP Event packet.
Parameter:
features.dtmf.repetition
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
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