Yealink SIP-T48G Administrator's Guide

Configuring Basic Features
387
Parameters
Permitted Values
Default
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860)
Note: It works only if the value of parameter “account.X.dtmf.type” is set to 2 (SIP
INFO) or 3 (RFC2833 + SIP INFO).
Web User Interface:
Account->Advanced->DTMF Info Type
Phone User Interface:
None
features.dtmf.repetition
1, 2 or 3
3
Description:
Configures the repetition times for the IP phone to send the end RTP Event packet
during an active call.
Web User Interface:
Features->General Information->DTMF Repetition
Phone User Interface:
None
features.dtmf.duration
Integer from 0 to
300
100
Description:
Configures the duration time (in milliseconds) for DTMF.
Note: If the time interval to 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.
Web User Interface:
None
Phone User Interface:
None
features.dtmf.volume
Integer from -33
to 0
-10
Description:

Yealink SIP-T48G Specifications

General

Expansion module support	Yes
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	-
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
AC adapter input voltage	100 - 240 V
Number of handles included	1 pc(s)

Weight and Dimensions

Width	266 mm
Height	185 mm