Yealink T48S Quick Start Guide

Yealink T48S manual cover
Pages 8
Year 2017
Language(s)
English en

Yealink T48S Specification

The Yealink T48S is a high-end business IP phone designed for executive use, featuring a sleek design and advanced functionalities. It boasts a 7-inch touchscreen with a resolution of 800 x 480 pixels, providing a user-friendly interface and vibrant display. The phone supports HD voice technology, ensuring crystal-clear audio quality during calls. It operates on the SIP protocol, making it compatible with a wide range of VoIP systems.

The T48S is equipped with dual-port Gigabit Ethernet, PoE support, and a USB 2.0 port for enhanced connectivity and flexibility. It offers a rich suite of features, including 16 SIP accounts, call hold, call transfer, call forward, 3-way conferencing, and a comprehensive phonebook with up to 1000 entries. The phone also supports Bluetooth, Wi-Fi via a USB dongle, and seamless integration with Yealink’s EXP40 expansion module for added functionality.

Security is robust with support for TLS and SRTP encryption protocols, ensuring secure communications. The T48S is powered by Yealink's Optima HD Voice software and the Opus codec, which further enhance audio performance. It is equipped with a full-duplex speakerphone and a hands-free mode for convenience. The phone is highly customizable, supporting XML Browser, action URL/URI, and a range of ringtones and wallpapers.

The Yealink T48S is compatible with a range of provisioning and management tools, including Yealink’s Redirection and Provisioning Service (RPS) and the Yealink Device Management Platform, making deployment and maintenance straightforward. Overall, the Yealink T48S is an ideal choice for businesses seeking a reliable, feature-rich, and aesthetically pleasing IP phone for their communication needs.

Yealink T48S F.A.Q.

How do I set up a conference call on the Yealink T48S?

To set up a conference call, press the 'Conference' button during a call, dial the number of the second party, and press 'Send'. Once the call is connected, press 'Conference' again to join all parties.

How can I update the firmware on my Yealink T48S?

Download the latest firmware from the Yealink website. Access the phone's web interface, navigate to 'Upgrade', then 'Select and Upgrade Firmware'. Choose the downloaded file and follow the on-screen instructions.

What should I do if the Yealink T48S screen is not responding?

If the screen is unresponsive, try restarting the phone by unplugging the power and plugging it back in. If the issue persists, check for firmware updates or perform a factory reset.

How do I transfer a call on the Yealink T48S?

During an active call, press 'Transfer', enter the recipient's number, and press 'Transfer' again. You can also use 'Blind Transfer' for direct transfer without announcement.

How can I access the voicemail on my Yealink T48S?

Press the 'Message' button, then follow the voice prompts to listen to your voicemails. Ensure that your voicemail service is configured properly.

What steps should I take if there is no sound during calls?

Check the volume settings on the phone and ensure the mute function is not activated. Verify that the handset, headset, or speakerphone connections are secure.

How do I configure the network settings on the Yealink T48S?

Access the phone's web interface, go to 'Network', then 'Basic' or 'Advanced' settings. Configure DHCP or static IP settings as required. Save changes and restart the phone.

What is the procedure for resetting the Yealink T48S to factory settings?

Press and hold the 'OK' button for about 10 seconds until you see a prompt to reset. Confirm the reset and the phone will restart with factory settings.

How can I customize the ringtone on the Yealink T48S?

Go to 'Menu' > 'Basic' > 'Sound' > 'Ringtones'. Select the desired ringtone from the list and press 'Save'. You can also upload custom ringtones via the web interface.

How do I connect a Bluetooth headset to the Yealink T48S?

Ensure the Bluetooth USB dongle is inserted into the phone. Go to 'Menu' > 'Basic' > 'Bluetooth'. Enable Bluetooth, search for devices, and pair with your headset.