Yealink SIP-T27G Administrator's Guide

Audio Features
150
pstn.account.1.ring_type = Common
It means PSTN account 1 will use the ring tone selected for the IP phone configured by the parameter
“phone_setting.ring_type”.
Permitted
Values
Common, Ring1.wav, Ring2.wav, Ring3.wav, Ring4.wav, Ring5.wav, Ring6.wav, Ring7.wav,
Ring8.wav, Silent.wav, Splash.wav or custom ring tone name (for example, Customring.wav)
Default
Common
Supported
Devices
CP920
Web UI
Account > Basic > Ring Type
Phone UI
Menu > Settings > Basic Settings > Sound > Ring Tones > PSTN Account X
Parameter
ringtone.url <y0000000000xx>.cfg
Description
It configures the access URL of the custom ring tone file.
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Settings > Preference > Upload Ringtone > Custom Ring > Upload Ringtone
Other Phones:
Settings > Preference > Upload Ringtone
Parameter
ringtone.delete <y0000000000xx>.cfg
Description
It deletes all custom ring tone files.
Permitted
Values
http://localhost/all
Default
Blank
Parameter
phone_setting.ringing_timeout <y0000000000xx>.cfg
Description
It configures the duration time (in seconds) in the ringing state.
If it is set to 180, the phone will stop ringing if the call is not answered within 180 seconds.
Permitted
Values
Integer from 1 to 3600
Default
120
Parameter
phone_setting.ring_for_tranfailed <y0000000000xx>.cfg
Description
It configures the ring tone when the phone fails to transfer a call and display "Transfer failed" on the
screen.
Permitted
Values
Ring1.wav, Ring2.wav, Ring3.wav, Ring4.wav, Ring5.wav, Ring6.wav, Ring7.wav, Ring8.wav,
Silent.wav or Splash.wav
Default
Ring1.wav
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42G/T42U/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2; for T19(P) E2/CP920, X=1.

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