___________________________________________________________4/24Call Waiting .......................................................................................... 22Line Monitoring ..................................................................................... 22Call Parking and Retrieval ....................................................................... 23Ringing Group Pickup ............................................................................. 24

Introduction

Getting Started

Router

Connection Failure

Know Your Phone

Screen Icons

Using Your Phone

Messages

Phone Functions

Call Features

Making a Call

Call Connected Options

Receiving a 2nd Call

Way Conference Calling

Voice Mail

Advanced Phone Features

Call Parking and Retrieval

Ringing Group Pickup

Yealink T48G Setup & User Manual

T48G

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Initialization Process Overview

Loading the ROM File

Updating Firmware

Phone Network

IP Addressing Mode Configuration

IPv4 Configuration

IPv6 Configuration

DHCP Option for IPv4

DHCP Option 66, Option 43 and Custom Option

DHCP Option 42, Option 2 and Option 100

DHCP Option 120

DHCP Option 60

DHCP Option for IPv6

LLDP Configuration

CDP Configuration

Manual VLAN Configuration

DHCP VLAN

VLAN Setting Configuration

Real-Time Transport Protocol (RTP) Ports

Network Address Translation (NAT)

Keep Alive Configuration

Rport Configuration

Internet Port and PC Port

VPN Related Files

VPN Configuration

Voice and SIP QoS Configuration

x Authentication

TR-069 Device Management

TR069 Configuration

Phone Provisioning

Configuration Files

Resource Files

Files Download Process

Provisioning Methods

Provisioning Methods Priority

Central Provisioning

Setting Up a Provisioning Server

Supported Provisioning Protocols

Supported Provisioning Server Discovery Methods

Configuring a Provisioning Server

Keeping User's Personalized Settings after Auto Provisioning

Auto Provisioning Flowchart for Keep User's Personalized Configuration Settings

Example: Deploying Phones from the Provisioning Server

Firmware Upgrade

Firmware Upgrade Configuration

Phone Customization

Language

Language Display Configuration

Language Customization

Example: Setting a Custom Language for Phone Display

Wallpaper

Wallpaper Customization

Adding a Wallpaper from a USB Flash Drive

Transparency Configuration

Screensaver Display Customization

Custom Screensaver Picture Limit

Screensaver Configuration

Adding a Screensaver Picture from a USB Flash Drive

Supported Backlight Options

Label Length for Line Key Display

Label Length Display Configuration

Label Alignment Display Configuration

Linekey Length Shorten Rules

Page Switch Key

Phone Page Tips

Expansion Module Page Tips

Time and Date

Time Zone

NTP Settings

DST Settings

Time and Date Manually Configuration

Time and Date Format Configuration

Date Customization Rule

Idle Clock Display

Custom Logo Picture Limit

Custom Logo Configuration

Example: Setting a Custom Logo Display

Call Display Configuration

Display Method on Dialing

Key As Send Configuration

Softkey Layout

Softkey Layout File Customization

Softkey Layout Configuration

Example: Setting the Soft Keys Layout in Talking State

Input Method

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Before You Begin

T48S/T48G Hardware

T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G Hardware

Power LED Indicator

Line Key LED

Calls Screen

T48S/T48G Icons in the Status Bar

T41S/T41P/T42S/T42G Icons in the Status Bar

Line Key Icons

T42S/T42G/T41S/T41P Line Key Icons

Using the Phone Keypad and Dial Pad

Entering Characters on T46S/T46G/T42S/T42G/T41S/T41P/T40P/T40G

Placing a Call from the Dialer

Placing a Call Back to the Last Incoming Number

Dialing a Hotline Number

Placing an Anonymous Call

Placing Calls to Google Contacts

Answering a Call

Answering a Call Automatically

Disabling Call Waiting

Rejecting Calls with Do Not Disturb (DND)

Rejecting Calls with DND on a Specific Line

Ending Calls

Muting/Unmuting Audio

Holding and Resuming Calls

Resuming a Held Call

Forwarding All Incoming Calls on a Specific Line

Forwarding an Incoming Call Manually

Transferring Calls

Performing Transfer with a Transfer Key

Performing a Semi-attended/Attended Using a Transfer Key

Local Conference

Merging Two Calls into a Conference

Managing Conference Participants

Recording Using a USB Flash Drive

Pausing/Resuming a Recording

Pausing/Resuming a Playback

Fast Forwarding/Rewinding a Playback

Multicast Paging

Sending a Paging by a Multicast Paging Key

Setting a Paging Group

Receiving Multicast Paging

Advanced Call Features

Call Pickup

Picking up a Group Call Directly

Picking up a Call with a Group Pickup Key

Parking a Call in the FAC Mode

Parking or Retrieving a Call in the Transfer Mode

State Indicator of the Park/Retrieve key

Retrieving a Parked Call using a Retrieve Key

Audio Alert for BLF Pickup

Setting a BLF Key

Transferring a Call by BLF Key

Parking a Call to a Monitored Line

State Indicator of Remote Line by BLF List Key

Ring Type for BLF Parked Call Monitor

Picking up a Remote Call by BLF List Key

Performing a Semi-attended/Attended Transfer

Retrieving a Call Parked to the Monitored Line

Placing Calls on a Shared Line

Retrieving a Held Call on a Shared Line

Pulling a Shared Call on a Shared Line

State Indicator of the Intercom key

Picking up an Incoming Call of the Target Extension

Short Message Service (SMS)

Sending a Text Message

Using the Hot Desking

Logging into the ACD System

Deleting Contact Groups

Viewing Contacts

Moving a Local Directory Contact to Blacklist

Adding an Existing Contact to Your Favorites

Deleting Favorites

Viewing Blacklist Contacts

Moving a Blacklist Contact to the Local Directory

Searching for Mobile Contacts

Google Contacts

Viewing Remote Phone Book Contacts

Call History

Saving a History Record to Blacklist

Disabling History Record

Customizing Your Phone

Changing Wallpaper on Idle Screen

Adding a Dsskey Screen Wallpaper from a USB Flash Drive

Screen Saver

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about this guide

Product Overview

SIP Components