Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
407
(Enabled).
Permitted
Values
Integer greater than or equal to 0
Default
6
Parameter
forward.no_answer.on_code <y0000000000xx>.cfg
Description
It configures the no answer forward on code to activate the server-side no answer forward feature.
The phone will send the no answer forward on code and the pre-configured destination number (con-
figured by the parameter “forward.no_answer.target”) to the server when you activate the no answer
forward feature on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T30P/T30/T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > No Answer Forward > On Code
Phone UI
Menu > Features > Call Forward > No Answer Forward > On Code
Parameter
forward.no_answer.off_code <y0000000000xx>.cfg
Description
It configures the no answer forward off code to deactivate the server-side no answer forward feature.
The phone will send the no answer forward off code to the server when you deactivate the no answer
forward feature on a phone basis.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 0
(Phone) (except T30P/T30/T19(P) E2/CP920 phones).
Permitted
Values
String within 32 characters
Default
Blank
Web UI
Features > Forward&DND > Forward > No Answer Forward > Off Code
Phone UI
Menu > Features > Call Forward > No Answer Forward > Off Code
Call Forward in Custom Mode Configuration
The following table lists the parameters you can use to configure call forward in custom mode.
Parameter
account.X.always_fwd.enable
[1]
<MAC>.cfg
Description
It triggers always forward feature to on or off.
Note: It works only if “features.fwd.allow” is set to 1 (Enabled) and “features.fwd_mode” is set to 1
(Custom).
Permitted
Values
0-Off
1-On, incoming calls to the account X are forwarded to the destination number (configured by the para-
meter “account.X.always_fwd.target”) immediately.
Default
0
Supported
Devices
All phones except T30P, T30, T19(P) E2 and CP920

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