Yealink SIP-T43U telefono SIP migliorato firmware unificato T43U Gigabit VoIP 12 linee

Up to 12 SIP accounts. T42U (pending)/T43U/T46U/T48U firmware unified. Opus codec support. Dual firmware images. PoE support. USB headset and EHS support. Does not support EHS36 and EXP40.

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