Yealink T48G Quick Start Guide

Yealink T48G manual cover
Pages 12
Year 2017
Language(s)
English en

Yealink T48G Specification

The Yealink T48G is a high-end business IP phone designed to provide a seamless communication experience. It features a 7-inch color touchscreen display with a resolution of 800x480 pixels, offering a user-friendly interface and easy navigation. The device supports up to six SIP accounts, making it suitable for multi-line usage in busy office environments. It is equipped with dual-port Gigabit Ethernet, allowing for fast and reliable network connectivity. The phone includes PoE (Power over Ethernet) support, eliminating the need for additional power adapters.

The T48G offers advanced audio features, including Optima HD voice technology, which enhances audio clarity and provides a more natural sound. It supports a full-duplex speakerphone with AEC (Acoustic Echo Cancellation) and has a dedicated RJ9 headset port. The phone is compatible with a wide range of codecs, including G.722 and G.729AB, ensuring flexibility in various network environments.

Security is a key feature, with support for protocols such as HTTPS, 802.1x, TLS, and SRTP, ensuring secure communication and data protection. The device also supports a variety of network protocols, including IPv6, OpenVPN, and LLDP. The T48G offers extensive customization options, allowing users to personalize ringtones, wallpapers, and DSS keys.

Additionally, the phone is compatible with Yealink's expansion modules, enabling users to enhance functionality for receptionist or administrative roles. The Yealink T48G is designed for easy deployment and management, featuring auto-provisioning capabilities and compatibility with leading IP-PBX platforms. Overall, the Yealink T48G is a versatile and robust IP phone, ideal for businesses seeking a high-quality communication solution with advanced features and exceptional usability.

Yealink T48G F.A.Q.

How do I reset the Yealink T48G to factory settings?

To reset the Yealink T48G to factory settings, navigate to Menu > Advanced, then enter the admin password (default is 'admin'). Select 'Reset to Factory' and confirm.

How can I update the firmware on my Yealink T48G?

To update the firmware, download the latest firmware from the Yealink support website. Access the phone's web interface, go to 'Upgrade' > 'Basic', and upload the firmware file.

What should I do if there's no dial tone on my Yealink T48G?

Ensure that the handset is properly connected. Check the network connection and verify that the SIP account is registered. Reboot the phone if necessary.

How do I set up a conference call on the Yealink T48G?

During a call, press the 'Conference' button, dial the number of the second party, and then press 'Send'. Once connected, press 'Conference' again to join the calls.

How do I configure the voicemail on my Yealink T48G?

Access the phone's web interface, navigate to 'Account' > 'Basic', and enter the voicemail number in the 'Voice Mail' field. Press 'Confirm' to save the settings.

What can I do if my Yealink T48G is not connecting to the network?

Check the Ethernet cable and ensure it is securely connected. Verify that the network settings are correct under 'Settings' > 'Network' > 'WAN Port'.

How do I adjust the display brightness on the Yealink T48G?

Go to 'Menu' > 'Settings' > 'Basic Settings' > 'Display', then select 'Brightness' and adjust the level using the slider.

Can I customize the ringtone on my Yealink T48G?

Yes, you can customize the ringtone by going to 'Menu' > 'Settings' > 'Basic Settings' > 'Sound' > 'Ring Tones' and selecting your preferred tone.

How do I enable Do Not Disturb (DND) on the Yealink T48G?

To enable Do Not Disturb, press the 'DND' soft key on the home screen. To disable it, press the 'DND' key again.

What should I do if the Yealink T48G touchscreen is unresponsive?

Reboot the phone by unplugging and reconnecting the power supply. If the issue persists, perform a factory reset after backing up your settings.