Yealink SIP-T27G Administrator's Guide

Audio Features
146
Audio Features
This chapter describes the audio sound quality features and options you can configure for the IP phone.
Topics
Alert Tone
Touch Tone
Ring Tones
Distinctive Ring Tones
Ringer Device
Audio Volume
Tones
Audio Codecs
Packetization Time (PTime)
Early Media
Headset Prior
Dual Headset
Acoustic Clarity Technology
DTMF
Voice Quality Monitoring (VQM)
Alert Tone
You can configure the following audio alert for the phone:
l Redial tone: allow the phones to continue to play the dial tone after inputting the preset numbers on the dialing
screen.
l Voice mail tone: allow the IP phone to play a warning tone when receiving a new voice mail. You can customize
the warning tone or select specialized tone sets (vary from country to country) for your IP phone.
l Send tone: allow the IP phone to play a key tone when you press the send key. It works only if the key tone is
enabled.
l Dial tone: allow the IP phone to play a specific dial tone for a specified time.
l Key tone: allow the IP phone to play a key tone when you press any key.
Topic
Alert Tone Configuration
Alert Tone Configuration
The following table lists the parameters you can use to configure the alert tone.
Parameter
features.redial_tone <y0000000000xx>.cfg
Description
It configures that after you enter a specific number on the dialing screen, the phone will replay the dial
tone.
Example:
features.redial_tone = 123
The phone will continue to play the dial tone after entering “123” on the dialing screen.
Permitted
Values
Integer within 6 digits
Default
Blank
Web UI
Features > Audio > Redial Tone

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