Yealink SIP-T40G Administrator's Guide

Account Settings
296
Note: It is used in conjunction with the parameter "account.X.reg_failed_retry_max_time" to determine
how long to wait. The algorithm is defined in RFC 5626. We recommend that you set this value to an
integer between 10 to 120 if needed. If the values of this parameter and the parameter "accoun-
t.X.reg_failed_retry_max_time" are set to 0, the interval configured by "account.X.reg_fail_retry_inter-
val" will be used.
Permitted
Values
Integer greater than or equal to 0
Default
0
Parameter
account.X.reg_failed_retry_max_time
[1]
<MAC>.cfg
Description
It configures the maximum time to wait (in seconds) for the phone to retry to re-register after the
account registration fails.
Note: It is used in conjunction with the parameter "account.X.reg_failed_retry_min_time" to determine
how long to wait. The algorithm is defined in RFC 5626. We recommend that you set this value to an
integer between 60 to 1800 if needed. If the values of this parameter and the parameter "accoun-
t.X.reg_failed_retry_min_time" are set to 0, the interval configured by "account.X.reg_fail_retry_inter-
val" will be used.
Permitted
Values
Integer greater than or equal to 0
Default
60
[1]
X is the account ID. For T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G, X=1-16; for
T53W/T53/T43U/T42G/T42U/T42S, X=1-12; for T41P/T41S/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21
(P) E2, X=1-2; for T19(P) E2/CP920, X=1.
[2]
Y is the server ID. Y=1-2.
PSTN Account Configuration
The following table lists the parameters you can use to register the PSTN account.
Parameter
pstn.account.X.enable
[1]
<MAC>.cfg
Description
It enables or disables the PSTN account X.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Supported
Devices
CP920
Web UI
Account > Register > Line Active
Phone UI
Menu > Settings > Advanced Settings (default password: admin) > Accounts > Active Line
Parameter
pstn.account.X.label
[1]
<MAC>.cfg
Description
(Optional.) It configures the label to be displayed on the LCD screen for PSTN account X.
Permitted
Values
String within 99 characters
Default
Blank
Supported
Devices
CP920

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