3CX, Phone System, SIP-T41S, SIP-T42S, SIP-T46S, SIP-T48S, SIP-T53, T20P, T22P, T26P, T28P, T32G, T38G, Yealink

manually download phone firmware for 3cx phone system

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You can download the latest supported phone or handset firmware for 3CX from here: https://www.3cx.com/support/phone-firmwares/

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