Yealink SIP-T48S Quick Start Guide

Yealink SIP-T48S manual cover
Pages 8
Year 2016
Language(s)
English en

Yealink SIP-T48S Specification

The Yealink SIP-T48S is an advanced IP phone designed for executives and professionals seeking top-tier communication solutions. It features a 7-inch color touchscreen with a resolution of 800x480 pixels, offering a user-friendly interface and easy navigation. The phone supports up to 16 SIP accounts, enabling users to manage multiple lines efficiently. It utilizes Yealink's Optima HD Voice technology, ensuring crystal-clear audio quality for both handset and speakerphone use.

This model is equipped with dual Gigabit Ethernet ports, providing rapid network connectivity and PoE (Power over Ethernet) support for simplified installation. The SIP-T48S is compatible with a wide range of SIP-based PBX systems and supports a variety of audio codecs, including Opus, G.722, G.711(A/μ), G.729AB, and G.726, ensuring broad compatibility and superior performance.

The phone's advanced features include a USB 2.0 port for Bluetooth, Wi-Fi, and USB recording, offering flexible connectivity options. It supports up to six expansion modules, making it highly adaptable for busy professionals who require additional line keys and features. Security features such as TLS and SRTP encryption ensure secure communication, while IPv6 support and dual-stack capability future-proof the device.

The Yealink SIP-T48S also provides a comprehensive suite of management features, including auto-provisioning and centralized management via Yealink's Device Management Platform. Its design incorporates a sleek and modern aesthetic, complemented by a tilting base for ergonomic use. Overall, the Yealink SIP-T48S is a robust and versatile IP phone that meets the demanding needs of modern business environments.

Yealink SIP-T48S F.A.Q.

How do I configure a SIP account on the Yealink SIP-T48S?

To configure a SIP account on the Yealink SIP-T48S, access the phone's web interface by entering the IP address in a web browser. Log in with the default credentials (admin/admin), navigate to the 'Account' tab, and fill in the required fields such as SIP Server, User Name, and Password. Save the settings to apply the configuration.

What should I do if the Yealink SIP-T48S phone is not getting a dial tone?

Ensure that the phone is properly connected to the network and receiving power. Check the cable connections and try restarting the phone. If the issue persists, verify that the SIP account is correctly configured and registered.

How can I update the firmware on my Yealink SIP-T48S?

Download the latest firmware from the Yealink website. Access the phone's web interface, go to the 'Upgrade' section, and upload the firmware file. Follow the on-screen instructions to complete the update process.

What is the default administrator password for the Yealink SIP-T48S?

The default administrator password for the Yealink SIP-T48S is "admin". It is recommended to change this password to enhance security.

How do I reset the Yealink SIP-T48S to factory settings?

To reset the Yealink SIP-T48S to factory settings, press and hold the 'OK' button for about 10 seconds until the display shows "Reset to factory settings?". Confirm by pressing 'OK' again.

How can I set up call forwarding on the Yealink SIP-T48S?

To set up call forwarding, navigate to the 'Features' menu on the phone, select 'Call Forward', and choose the type of forwarding (Always, Busy, or No Answer). Enter the forwarding number and save the changes.

What should I do if the Yealink SIP-T48S screen is unresponsive?

Try restarting the phone by unplugging the power and plugging it back in. If the screen remains unresponsive, check for any firmware updates or perform a factory reset as a last resort.

How can I access the voicemail on the Yealink SIP-T48S?

To access voicemail, press the 'Message' button on the phone. Follow the voice prompts to listen to, save, or delete your messages.

How do I connect a headset to the Yealink SIP-T48S?

To connect a headset, plug it into the headset port on the back of the phone. You can toggle between the headset and handset by pressing the 'Headset' button on the phone.

How do I customize the ringtone on the Yealink SIP-T48S?

To customize the ringtone, go to 'Menu' > 'Settings' > 'Basic Settings' > 'Sound' > 'Ring Tones'. Select the desired ringtone from the list and save the changes.