Yealink EXP50 Nero Grigio 23 pulsanti SIP-T58V/SIP-T58A/SIP-T56A/SIP-T54S/SIP-T52S 196,5 x 124 x 137,5 mm Color-screen Expansion Module for T5 Series. Yealink EXP50 Key expansion module for VoIP phone.
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