Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
161
!250/200,0/1000, 200+300/500,200+500+800+1500/1000).
Note: It works only if “voice.tone.country” is set to Custom.
Permitted
Values
String
Default
Blank
Web UI
Settings > Tones > Dial
Parameter
features.partition_tone
[1]
<y0000000000xx>.cfg
Description
It enables or disables the phone to play the different dial tones when there is no active account.
Note: It works only if “voice.tone.dial” is configured.
Permitted
Values
0-Disabled
1-Enabled. If there is an active account, the phone will play the default dial tone. If there is no active
account, the phone will play the dial tone configured by “voice.tone.dial”.
Default
0
Parameter
voice.tone.secondary_dial <y0000000000xx>.cfg
Description
It customizes the secondary dial tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String
Default
350+440/3000
Web UI
Settings > Tones > Secondary Dial
Parameter
voice.tone.ring <y0000000000xx>.cfg
Description
It customizes the ringback tone.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String
Default
Blank
Web UI
Settings > Tones > Ring Back
Parameter
voice.tone.busy <y0000000000xx>.cfg
Description
It customizes the tone when the callee is busy.
The value format is Freq/Duration. For more information on the value format, refer to the parameter
“voice.tone.dial”.
Note: It works only if “voice.tone.country” is set to Custom. If you want to disable this warning tone, set
it to 0.
Permitted
Values
String

Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm