Supervoice SVC-QD301 headset QD to RJ9 Connecting Bottom Cable

SVC-QD301 Compatibility list:

Grandstream IP Phones:
GXP1200, GXP1400, GXP1405, GXP1610, GXP1625, GXP2020, GXP2100, GXP2110, GXP2120, GXP2124, GXP2130, GXP2140, GXP2160, GRP2612P, GRP2612W, GRP2613, GRP2614, GRP2615, GRP2616

Fanvil:
C600 IP Video Phone

Yealink IP Phones:
SIP-T19P, T20P, T21P, T22P, T23P, T23G, T26P, T27P, T28P, T29G, T32G, T38G, T41P, T42G, T46G, T48G,T21PE2,T19PE2

Akuvox IP Phones:
SP-R50P, SP-R52P, SP-R53P, SP-R55P,SP-R59P, SP-R55G, SP-R59G,SP-R63G, SP-R67G, VP-R47P, VP-R49G, R15P

Cisco Unified IP Phones (no headset jack):
7902(G), 7905(G), 7906(G), 7910(G), 7911(G) & 7912(G)

Dlink:
DPH-150S

Escene:
GS330, GS292, CC800, ES620, ES410, ES330, ES320, ES310, ES290, ES282, ES280, ES220, ES206, ES205

Huawei:
ET325, ET525

Panasonic IP Phones:
KX-HDV130, KX-HDV230, KX-HDV330

Snom IP Phones:
320, 360, 370, 710, 720, 760, 820, 821 & 870