The Yealink T46U advanced 16-line SIP IP phone. Dual Gigabit Ethernet, 
dual USB ports, large color display, HD Voice, Smart Noise Filtering, 
Gigabit PoE. Top-of-the-range T4 Series. Microsoft Teams-certified variant 
available. Compatible with 3CX, Asterisk, and Teams Phone. Touchline —
authorized Yealink dealer, South India.