Configuring Basic Features
457
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 on per-line basis.
Parameters:
account.X.dtmf.type
account.X.dtmf.dtmf_payload
account.X.dtmf.info_type
Configure the method of
transmitting DTMF digit and the
payload type for IP call.
Parameters:
account.17.dtmf.type
account.17.dtmf.dtmf_payload
account.17.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 duration time for
DTMF.
Parameter:
features.dtmf.duration
Configure the frequency level
of DTMF digits.
Parameter:
features.dtmf.volume
Summary of Contents for CD860
Page 1: ......
Page 45: ...Getting Started 23 For SIP T42G T41P T40P Desk Mount Method Wall Mount Method Optional ...
Page 47: ...Getting Started 25 For SIP T23P T23G Desk Mount Method Wall Mount Method Optional ...
Page 122: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 100 ...
Page 840: ...Administrator s Guide for SIP T2 Series T19 P E2 T4 Series CP860 IP Phones 818 ...
Page 995: ...Appendix 973 ...