This Quick Disconnect cord to connect OvisLink Call Center headset with Yealink T5 series IP phones and T4 series's SIP-T48S, SIP-T46S, SIP-T42S and SIP-T41S. OvisLink created the first Yealink IP phone compatible headset OVHS084-YEA years ago to be compatible with Yealink IP phone models T48G, T46G, T42G, T41G, T38G, T32G, T29G, T23G, T28P, T27P, T26P, T23P.
*** OvisLink headsets already come with Quick Disconnect cord. Purchase this cord only when you changed the phone from other brand to Yealink, or want to use the same headset with different phone brands.
*** This cord is only compatible with OvisLink headset, can't be used with other headset brands.