About This Item
The Yealink SIP-T48S is a full-featured Gigabit IP desktop phone engineered for executives and busy professionals who demand a premium communication experience. Centered around a vivid 7-inch 800x480-pixel backlit color touch screen, the SIP-T48S delivers intuitive navigation between applications, directories, and call screens. Yealink Optima HD Voice technology — incorporating wideband codecs including G.722, AMR-WB, and Opus — ensures lifelike, crystal-clear audio on every call. The phone supports up to 16 SIP accounts simultaneously and features dual-port Gigabit Ethernet for high-speed network connectivity. Power over Ethernet (IEEE 802.3af) eliminates the need for a separate power supply. A USB 2.0 port enables optional Bluetooth (via BT40/BT41 dongle), Wi-Fi (via WF40/WF50 dongle), USB call recording, and USB headset connectivity. The SIP-T48S supports up to 6 EXP50 expansion modules for up to 240 additional DSS keys, making it ideal for receptionists and power users. Built-in security features include TLS/SRTP encryption, OpenVPN, and IEEE 802.1X. Compatible with major IP PBX platforms including 3CX, BroadSoft BroadWorks, and most SIP-based systems. Power supply is not included.
