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Upgrade from T27P: Dual Gigabit Ethernet ports
Yealink Optima HD voice
Wideband codec: G.722
Narrowband codec: G.711(A/??), G.723.1, G.729AB, G.726, iLBC
3.66" 240x120-pixel graphical
LCD with backlight
Up to 6 SIP accounts
Paper label free design
PoE support |
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