Yealink SIP-T40G User Manual

User Guide for T4 Series IP Phones
184
7. Select the desired channel to listen from the pull-down list of Channel.
8. Click Confirm.
Note
Using Multicast Paging
Sending RTP Stream via a Multicast Paging Key
Procedure:
1. Press the multicast paging key when the phone is idle.
The phone sends RTP to a preconfigured multicast address (IP: Port).
Both the sender’s and receiver’s phones play a warning tone and the multicast RTP session
will be automatically answered on the receiver’s phone in the hands-free (speakerphone)
mode.
On the SIP-T48S/T48G IP phone, the multicast paging key icon indicator will become
and solid. On other IP phones, the multicast paging key LED glows green.
The following figure shows a multicast RTP session on the phone:
The priorities of listening addresses are predefined: 1 with the highest priority, 31 with the lowest.
Downloaded from ManualsNet.com search engine

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