Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
528
Values 1-Enabled
Default
0
Parameter
account.X.custom_ua
[1]
<MAC>.cfg
Description
It configures the suffix of User-Agent in SIP request messages from the phone.
Permitted
Values
String within 256 characters
Default
Blank
Parameter
account.X.call_id_mode
[1]
<MAC>.cfg
Description
It configures the constitution of caller ID.
Permitted
Values
0-Use random digits
1–Use the combination of the digits and letters
2–Use random digits plus MAC address
Default
0
Parameter
account.X.path.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to carry the Supported:path header in the REGISTER request mes-
sage.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.insert_outbound_in_route.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to add outbound server address as the topmost Route header in the
request message.
Note: It works only if the received 200 OK response for the REGISTER request contains the Service
route header.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Parameter
account.X.invite_with_rpid_header.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to add the Remote-Party-ID (RPID) header in the initial INVITE mes-
sage.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Supported
Devices
All phones except T48G, T46G, T42G, T41P and T29G
Parameter
account.X.third_part_request_with_route.enable
[1]
<MAC>.cfg
Description
It enables or disables the phone to carry the Route header in the request message which is sent to
the third-party server (for example, a Music On Hold server).
Note: It works only if the received 200 OK response for the REGISTER request contains the Service
route header.
Permitted
0-Disabled

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