Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
499
Default
1
Web UI
Features > General Information > Reserve # in User Name
Busy Tone Delay
The busy tone is an audible signal to indicate that the call is released by the other party. You can define the amount
of time that the busy tone lasts.
Topic
Busy Tone Delay Configuration
Busy Tone Delay Configuration
The following table lists the parameter you can use to configure busy tone delay.
Parameter
features.busy_tone_delay <y0000000000xx>.cfg
Description
It configures the duration (in seconds) that the busy tone lasts when the call is released by the remote
party.
Permitted
Values
0-the phone will not play a busy tone.
3-3s, a busy tone lasts for 3 seconds on the phone.
5-5s, a busy tone lasts for 5 seconds on the phone
Default
0
Web UI
Features > General Information > Busy Tone Delay (Seconds)
CFG File Version Information
You can customize the version information for the CFG configuration file and then check the version information via
phone/web user interface. With this feature, you can easily know which version of the CFG configuration file the IP
phone is configured.
Topic
CFG File Version Information Configuration
CFG File Version Information Configuration
The following table lists the parameters you can use to configure CFG file version information.
Parameter
static.auto_provision.config_version.com <y0000000000xx>.cfg
Description
It configures the version information of the Common CFG configuration file.
After configuration, you can check the configuration file version information at the path: Menu > Status
> Phone > COM Version (phone user interface) or Status > Status > Version > COM Version (web
user interface).
Permitted
Values
String
Default
Blank
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
static.auto_provision.config_version.mac <y0000000000xx>.cfg
Description
It configures the version information of the MAC CFG configuration file.

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