Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
2
There are many ways to set up a phone network using Yealink IP phones. The following shows an
example of a network setup:
Initialization Process Overview
The initialization process of the IP phone is responsible for network connectivity and operation of the IP
phone in your local network. Once you connect your IP phone to the network and to an electrical supply,
the IP phone begins its initialization process.
Topics
Loading the ROM File
Configuring the VLAN
Querying the DHCP (Dynamic Host Configuration Protocol) Server
Contacting the Provisioning Server

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