What are the main features of the Yealink T48S?
The Yealink T48S has a 7-inch touchscreen display, HD voice, Gigabit Ethernet, PoE support, dual-port Gigabit Ethernet, up to 16 VoIP accounts, a USB port for Bluetooth and Wi-Fi, and compatibility with expansion modules. How do I set up the Yealink T48S for the first time?
Connect the handset and headset, then connect the network cable to the LAN port, plug in the power adapter (if not using PoE), and configure the phone settings as instructed on the screen. Does the Yealink T48S support Wi-Fi?
Yes, the Yealink T48S supports Wi-Fi with an optional USB dongle (Yealink WF40/WF50). Can I use a Bluetooth headset with the Yealink T48S?
Yes, the Yealink T48S supports Bluetooth headsets with an optional USB dongle (Yealink BT40/BT41). How do I configure VoIP accounts on the Yealink T48S?
Enter the phone's IP address into a browser to access its web interface, log in with the default credentials, and proceed to the Account tab to configure VoIP account settings. What is the display resolution of the Yealink T48S touchscreen?
The resolution of the 7-inch touchscreen display is 800x480 pixels. Does the Yealink T48S support PoE (Power over Ethernet)?
Yes, the Yealink T48S supports PoE, which eliminates the need for an additional power adapter. How do I update the firmware on the Yealink T48S?
Download the latest firmware from the Yealink website, then launch the phone's web interface, navigate to the Settings tab, select Upgrade, and upload the firmware file. What codecs does the Yealink T48S support?
The Yealink T48S supports various codecs, including G.722, G.711(A/μ), G.723.1, G.729AB, G.726, and iLBC. How do I reset the Yealink T48S to factory settings?
Go to Menu > Settings > Advanced Settings, enter the admin password, select Reset to Factory, and confirm the reset. Can the Yealink T48S be used with other SIP-based phone systems?
Yes, the Yealink T48S is compatible with a variety of SIP-based telephone systems. What is the warranty period for the Yealink T48S?
The Yealink T48S typically has a one-year limited warranty, but this may vary depending on the vendor. How many VoIP accounts can the Yealink T48S handle?
The Yealink T48S supports up to 16 VoIP accounts. Does the Yealink T48S support expansion modules?
Yes, the Yealink T48S can accommodate up to six expansion modules for additional line keys and functionality. How do I configure the network settings on the Yealink T48S?
Navigate to Menu > Settings > Advanced Settings, enter the admin password, and configure the network settings under Network. What type of Ethernet ports does the Yealink T48S have?
The Yealink T48S features dual-port Gigabit Ethernet (10/100/1000 Mbps). Can the Yealink T48S be wall-mounted?
Yes, the Yealink T48S can be wall-mounted with the optional wall mount bracket. How do I transfer calls on the Yealink T48S?
During an active call, press the Transfer soft key, then enter the destination number and press Transfer again. What is Yealink Optima HD Voice technology?
Yealink's Optima HD Voice technology improves call audio quality by utilizing advanced acoustic algorithms and wideband audio codecs. How do I access the voicemail on the Yealink T48S?
To access your voicemail messages, press the Message button on your phone, enter your voicemail password, and then follow the prompts.
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