Yealink SIP-T54W Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
21
Initialization Process Overview
The initialization process of the device is responsible for network connectivity and operation of the device in your
local network. Once you connect your device to the network and to an electrical supply, the device begins its ini-
tialization process.
Topics
Loading the ROM File
Configuring the VLAN
Querying the DHCP (Dynamic Host Configuration Protocol) Server
Contacting the Provisioning Server
Updating Firmware
Downloading the Resource Files
Loading the ROM File
The ROM file resides in the flash memory of the device. The device comes from the factory with a ROM file pre-
loaded. During initialization, the device runs a bootstrap loader that loads and executes the ROM file.

Yealink SIP-T54W Specifications

General

Connectivity	Dual-port Gigabit Ethernet
SIP Accounts	16
Opus Codec Support	Yes
Audio Features	HD voice with Yealink Acoustic Shield technology
Expansion Module	Supports up to 3 EXP50 expansion modules
Power over Ethernet (PoE)	Yes
Headset Support	Yes, RJ9 headset port, USB headset support, Bluetooth headset support
Resolution	480 x 272 pixels
Bluetooth	Yes, Bluetooth 4.2
USB Ports	2 (USB 2.0)