Yealink T40G Configuring Guide

Troubleshooting
77
Source
Device
Source IP
Source Port
Destination
Device
Destination IP
Destination Port
(Listening port)
Protocol
Description of destination port
of voice
gateway
of IP
phone or
voice
gateway
by the
destination
device.
IP phones
phones
destination device to send or
receive the audio stream.
TR-069
Server
IP address
of TR-069
Server
1024~65535
TCP
TR-069 protocol port, it is used
to communicate with
TR-069server.

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries