Yealink SIP-T31G Administrator's Guide

Call Features
406
(Phone) (except T30P/T30/T19(P) E2/CP920 phones). DND activated on the IP phone deactivates the
local No Answer Forward settings.
Permitted
Values
0-Off
1-On, incoming calls are forwarded to the destination number (configured by the parameter “for-
ward.no_answer.target”) after a period of ring time.
Default
0
Web UI
Features > Forward&DND > Forward > No Answer Forward > On/Off
Phone UI
Menu > Features > Call Forward > No Answer Forward > No Answer Forward
Parameter
forward.no_answer.target <y0000000000xx>.cfg
Description
It configures the destination number of the no answer forward 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 > Target
Phone UI
Menu > Features > Call Forward > No Answer Forward > Forward to
Parameter
forward.no_answer.timeout <y0000000000xx>.cfg
Description
It configures ring times (N) to wait before forwarding incoming calls.
The incoming calls will be forwarded when not answered after N*M (M is configurable by “phone_set-
ting.ring_duration”) seconds.
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
Integer from 0 to 20 (determined by “features.forward.no_answer.show_ring_times”)
Default
2
Web UI
Features > Forward&DND > Forward > No Answer Forward > After Ring Time (0~120s)
Phone UI
Menu > Features > Call Forward > No Answer Forward > After Ring Time
Parameter
features.forward.no_answer.show_ring_times <y0000000000xx>.cfg
Description
It configures the permitted values of the ring times (N) to wait before forwarding incoming calls.
Example:
features.forward.no_answer.show_ring_times = 0,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19
Note: It works only if “forward.no_answer.enable” or “account.X.timeout_fwd.enable” is set to 1
(Enabled).
Permitted
Values
String within 512 characters
Default
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20 (1 is not applicable to BroadSoft users)
Parameter
phone_setting.ring_duration <y0000000000xx>.cfg
Description
It configures the interval (in seconds) of the ring for the no answer forward feature.
Note: It works only if “forward.no_answer.enable” or “account.X.timeout_fwd.enable” is set to 1

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