Yealink SIP-T27G Administrator's Guide

Call Features
372
T19(P) E2/CP920 phones; handset and Speakerphone key are not applicable to CP920 phones; the
off-hook key is only applicable to CP920 phones.
Permitted
Values
String within 1024 characters
Default
Blank
[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.
Live Dialpad
Live Dialpad allows the phones to automatically dial out the entered phone number without pressing the send key
after a designated period of time.
Topic
Live Dialpad Configuration
Live Dialpad Configuration
The following table lists the parameters you can use to configure live dialpad.
Parameter
phone_setting.predial_autodial <y0000000000xx>.cfg
Description
It enables or disables the live dialpad feature.
Permitted
Values
0-Disabled
1-Enabled, the phone will automatically dial out the entered phone number on the pre-dialing screen
without pressing a send key.
Default
0
Web UI
Settings > Preference > Live Dialpad
Parameter
phone_setting.inter_digit_time <y0000000000xx>.cfg
Description
It configures the delay time (in seconds) for the phone to automatically dial out the entered phone
number without pressing a send key.
Note: It works only if “phone_setting.predial_autodial” is set to 1 (Enabled).
Permitted
Values
Integer from 1 to 14
Default
4
Web UI
Settings > Preference > Inter Digit Time (1~14s)
Auto Redial
You can set the phone automatically redial the last dialed number when the callee is temporarily unavailable. Both
the number of attempts and waiting time between redials are configurable.
Topic
Auto Redial Configuration
Auto Redial Configuration
The following table lists the parameters you can use to configure auto redial.

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