Yealink SIP-T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Capturing the Packets via Web User Interface
For Yealink phones, you can export the packets file to the local system and analyze it.
Yealink devices support the following two modes for capturing the packets:
l
Normal: Export the packets file after stopping capturing.
l
Enhanced: Export the packets file while capturing.
Topics
Capturing the Packets in Enhanced Way
Capturing the Packets in Normal Way
Capturing the Packets in Enhanced Way
Procedure
1. From the web user interface, navigate to Settings > Configuration.
2. Select Enhanced from the Pcap Type drop-down menu.
3. Click Start in the Pcap Feature field to start capturing signal traffic.
4.
Reproduce the issue to get stack traces.
5. Click Stop in the Pcap Feature field to stop capturing.
6.
Select a location for saving the packets file on your local system while capturing.
Note: The steps may differ for different web browsers.
Capturing the Packets in Normal Way
Procedure
1. From the web user interface, navigate to Settings > Configuration.
2. Select Normal from the Pcap Type drop-down menu.
3. Click Start in the Pcap Feature field to start capturing signal traffic.
4.
Reproduce the issue to get stack traces.
5. Click Stop in the Pcap Feature field to stop capturing.
6. Click Export to open the file download window, and then save the file to your local system.

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