Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Parameter
auto_redial.enable <y0000000000xx>.cfg
Description
It enables or disables the phone to automatically redial the last dialed number when the callee is tem-
porarily unavailable.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Features > General Information > Auto Redial
Phone UI
Color Screen Phones:
Menu > Features > Others > Auto Redial > Auto Redial
Black-and-white Screen Phones:
Menu > Features > Auto Redial > Auto Redial
Parameter
auto_redial.interval <y0000000000xx>.cfg
Description
It configures the interval (in seconds) for the phone to wait between redials.
The phone redials the last dialed number at regular intervals untill the callee answers the call.
Permitted
Values
Integer from 1 to 300
Default
10
Web UI
Features > General Information > Auto Redial Interval (1~300s)
Phone UI
Color Screen Phones:
Menu > Features > Others > Auto Redial > Redial Interval
Black-and-white Screen Phones:
Menu > Features > Auto Redial > Redial Interval
Parameter
auto_redial.times <y0000000000xx>.cfg
Description
It configures the auto redial times when the callee is temporarily unavailable.
The phone tries to redial the callee as many times as configured till the callee answers the call.
Permitted
Values
Integer from 1 to 300
Default
10
Web UI
Features > General Information > Auto Redial Times (1~300)
Phone UI
Color Screen Phones:
Menu > Features > Others > Auto Redial > Redial Times
Black-and-white Screen Phones:
Menu > Features > Auto Redial > Redial Times
Parameter
features.redial_via_local_sip_server.enable <y0000000000xx>.cfg
Description
It configures the phone to redial via local SIP server or remote SIP server.
Permitted
Values
0-Remote SIP Server
1-Local SIP Server
Default
1

Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm