Yealink SIP- T28P - User Manual

Yealink SIP- T28P Specifications

General

Brand	Yealink
Model	SIP- T28P
Category	IP Phone
Language	English

Summary

Overview

Hardware Component Instructions

Explains the physical parts of the phone.

Getting Started

Phone Installation

Provides step-by-step instructions for setting up the phone.

Phone Initialization

Basic Network Settings

Guides on configuring IP address and network parameters.

Customizing Your Phone

Contact Management

DSS Keys

Account Management

Account Registration

Guides on registering SIP accounts on the IP phone for network services.

Dial Plan

Replace Rule

Basic Call Features

Placing Calls

Instructions for initiating calls via handset, headset, or speakerphone.

Answering Calls

Call Hold;Resume

Do Not Disturb (DND)

Call Forward

Configures forwarding of incoming calls to alternative destinations.

Call Transfer

Explains methods for transferring active calls to other parties.

Conference

Call Park

Advanced Phone Features

Busy Lamp Field (BLF)

Call Recording

Intercom

Voice Mail

Troubleshooting

Why does the phone display Network Unavailable?

Why does the phone display No Service?

Why can’t I receive calls?

How to upgrade firmware?

Step-by-step guide to update the phone's firmware.

How to reset the phone?

Procedure for resetting the phone to factory default settings.

Regulatory Notices

Safety Instructions

General and environmental safety precautions for device usage.