Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
385
Values 1-Enabled, the phone can automatically answer the IP call.
Default
0
Web UI
Features > General Information > IP Direct Auto Answer
Parameter
features.auto_answer.first_call_only <y0000000000xx>.cfg
Description
It enables or disables the phone to only automatically answer the incoming call when the phone is
idle.
Note: It works only if “account.X.auto_answer” or “features.ip_call.auto_answer.enable” is set to 1
(Enabled).
Permitted
Values
0-Disabled. If there is an incoming call arrived when the phone is in a call or dialing, the phone will
automatically answer after you end the current call or cancel the dialing.
1-Enabled. The phone can only automatically answer the incoming call arrived when the phone is
idle. If there is an incoming call arrived when the phone is in a call or dialing, you have to manually
pick up the incoming call.
Default
1
Parameter
features.auto_answer_delay <y0000000000xx>.cfg
Description
It configures the delay time (in seconds) before the phone automatically answers an incoming call.
Note: For the call coming from a SIP account, it works only if “account.X.auto_answer” is set to 1
(Enabled).
Permitted
Values
T48G/T46G/T42G/T41P/T29G:
Integer from 1 to 4
Other Phones:
Integer from 1 to 60
Default
1
Web UI
Features > General Information > Auto Answer Delay
Parameter
features.auto_answer_tone.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to play a warning tone when an incoming call is automatically
answered.
Note: For the call coming from a SIP account, it works only if “account.X.auto_answer” is set to 1
(Enabled).
Permitted
Values
0-Disabled
1-Enabled
Default
1
Web UI
Features > General Information > Enable Auto Answer Tone
Parameter
features.auto_answer.ring_type <y0000000000xx>.cfg
Description
It configures a ring tone the phone plays before the incoming call is automatically answered.
Note: It works only if “features.auto_answer_tone.enable” is set to 1 (Enabled).
Permitted
Values
0 (beep tone)
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)
For T3 phones:

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm