Configuring Basic Features
133
INBAND
DTMF digits are transmitted within the audio of the IP phone conversation. It uses the
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 support
transmitting 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.
For more information, refer to
DTMF
on page
343
.
<y0000000000xx>.cfg
Configure the number of times
for the IP phone to send the end
RTP Event packet.
For more information, refer to
DTMF
on page
343
.
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
To configure the method of transmitting DTMF digits via web user interface:
1.
Click on Account.
2.
Select the desired account from the pull-down list of Account.
Summary of Contents for Yealink SIP-T28P
Page 1: ......
Page 28: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 12 ...
Page 76: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 60 ...
Page 226: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 210 ...
Page 238: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 222 ...
Page 253: ...Configuring Security Features 237 ...
Page 265: ...Resource Files 249 ...
Page 279: ...Troubleshooting 263 ...