Compatible Devices: Yealink IP Phones. Compatible Phone Models: Yealink IP Phones: SIP-T18G, SIP-T20P, SIP-T22P, SIP-T26P, SIP-T28P, SIP-T41P, SIP-T42G, T40G, T23G, T21, T21P, T21P-E2, T19, T19P, T19P-E2, W52P, W52 See more.
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