Yealink SIP-T33G Administrator's Guide

Audio Features
182
Description
It configures the value of DTMF payload.
Note: It works only if “account.X.dtmf.type” is set to 1 (RFC2833) or 3 (RFC2833 + SIP INFO).
Permitted
Values
Integer from 96 to 127
Default
101
Web UI
Account > Advanced > DTMF Payload Type(96~127)
Parameter
account.X.dtmf.info_type
[1]
<MAC>.cfg
Description
It configures the DTMF info type.
Note: It works only if “account.X.dtmf.type” is set to 2 (SIP INFO) or 3 (RFC2833 + SIP INFO).
Permitted
Values
1-DTMF-Relay
2-DTMF
3-Telephone-Event
Default
1
Web UI
Account > Advanced > DTMF Info Type
Parameter
features.dtmf.repetition <y0000000000xx>.cfg
Description
It configures the repetition times for the phone to send the end RTP Event packet during an active call.
Permitted
Values
1, 2 or 3
Default
3
Web UI
Features > General Information > DTMF Repetition
Parameter
features.dtmf.duration
[2]
<y0000000000xx>.cfg
Description
It configures the duration time (in milliseconds) for each digit when a sequence of DTMF tones is
played out automatically.
Note: If the time interval between two DTMF digits is less than this value, two or more same DTMF
digits could be identified as one DTMF digit. This may cause the loss of one or more DTMF digits. For
example, 2662 may be identified as 262. If so, you can modify the value of this parameter to a little
lower than the default value.
Permitted
Values
Integer from 0 to 700
Default
100
Parameter
features.dtmf.volume <y0000000000xx>.cfg
Description
It configures the volume of the DTMF tone (in dB).
Permitted
Values
Integer from -33 to 0
Default
-10
Parameter
features.dtmf.min_interval <y0000000000xx>.cfg

Yealink SIP-T33G Specifications

General

Wall Mountable	Yes
Local Phonebook	1000 entries
Opus Codec	Yes
Lines	4
Supported Codecs	Opus, G.722, G.711(A/μ), G.729AB, G.726, iLBC
Headset Port	RJ9
Network	Dual-port Gigabit Ethernet
PoE	Yes (IEEE 802.3af)
Audio Features	HD voice
SIP Accounts	4
Buttons	4 context-sensitive soft keys
Headset Support	Yes
Supported Protocols	SIP
Operating Temperature	0 ~ 40°C
Humidity	10% to 90% (non-condensing)