Yealink SIP-T27G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
167
Phone Model Supported Audio Codecs
Default Audio
Codecs
CP920
G.722.1c (48kb/s), G.722.1c (32kb/s),
G.722.1c (24kb/s), G.722.1 (24kb/s), G722,
PCMU, PCMA, G729, G726-40, G726-32,
G726-24, G726-16, G723_53, G723_63,
Opus, iLBC_15_2kpbs, iLBC_13_33kpbs
G.722.1c (48kb/s),
G.722.1c (32kb/s),
G.722.1c (24kb/s),
G.722.1 (24kb/s),
G722, PCMU, PCMA,
G729
Audio Codecs Configuration
The following table lists the parameters you can use to configure the audio codecs.
Parameter
account.X.codec.<payload_type>.enable
[1]
<MAC>.cfg
Description
It enables or disables the specified audio codec.
The name (payload_type) of the audio codec:
g722_1c_48kpbs-G.722.1c (48kb/s) (only for CP920)
g722_1c_32kpbs-G.722.1c (32kb/s) (only for CP920)
g722_1c_24kpbs-G.722.1c (24kb/s) (only for CP920)
g722_1_24kpbs-G.722.1 (24kb/s) (only for CP920)
g722-G722
pcmu-PCMU
pcma-PCMA
g729-G729
g726_16-G726-16
g726_24-G726-24
g726_32-G726-32
g726_40-G726-40
g723_53-G723_53
g723_63-G723_63
opus-Opus
ilbc_15_2kpbs-iLBC_15_2kbps
ilbc_13_33kpbs-iLBC_13_33kbps
Example:
account.1.codec.g722.enable = 1
Note: The name of the audio codec in this parameter should be the correct one as listed in the above
example, otherwise the corresponding configuration will not take effect.
Permitted
Values
0-Disabled
1-Enabled
Default
Default:
When the audio codec is G.722.1c (48kb/s), the default value is 1;
When the audio codec is G.722.1c (32kb/s), the default value is 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