The Yealink EXP50 Color-screen Expansion Module for Yealink T5 Series IP phones, including SIP-T58V / SIP-T58A / SIP-T56A / SIP-T54S / SIP-T52S. The functionality of Yealink T5 Series IP phones will also be extended by the EXP50, you can set the provided multifunctional line keys as BLF, speed dial, call forward, transfer, call park, call pickup, etc.
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