




Compatible Brand and Model List (Include but not limited):
How to adjust if l can't hear any sound when the headset is connected to the landline?
First, check whether the headset plug is connected to the device stably.
Second, select headset button in the device to active the headset for calling and the volume is max.
Finally, check whether speaker mute is turned on or not.
Why can't l hear myself when l talk?
These headsets do not monitor the input into the headset audio output. Monitoring playback can typically be achieved in computer settings.
How about the volume control?
The volume control of headset is independent of the phone sound system. If you want to increase the volume, you need to adjust the volume of both the inline control and the phone simultaneously.




Compatible Brand and Model List (Include but not limited):
| Panasonic | ?(KX-TGxx Series) KX-TGF373S, KX-TGF374S, KX-TGF375S, KX-TGEA20, KX-TGE26, KX-TGE262S, KX-TGE263S, KX-TGE23, KX-TGE232B, KX-TGE240B, KX-TGE242B, KX-TGE243B, KX-TGE244B, KX-TGE245B, KX-TGF35, KX-TGF350N, KX-TGF352N, KX-TGF353N, KX-TGE212B, KX-TG7642M, KX-TG7643M, KX-TGF382M, KX-TG6841B, KX-TG9541B, KX-TG8051GB ?KX-DT321, KX-DT333, KX-NT136, KX-NT343, KX-NT346, KX-NT366 ,KX-T7603, KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-T7730, KX-T7735 and more. |
|---|---|
| AT&T | SL82418, SL82318, SL82118, SL80108, SB67158, SB67148, TL88002, TL86103, TL86003, TL76108, TL7610, TL88102, TL86109, TL86009, CL82550, CL82500, CL8230, CL82309, CL82350, CL80109, ML17928, ML17959, ML17939, ML993 and more |
| Vtech | DS6151, DS6152, DS6250, CM18045, CM18245, CM18445, AM18047, AM18247, AM18447, IS8101, IS8102, IS8151-3, IS8151-4, IS8151-5 |
| Uniden | TRU9465, TRU9385, TRU9380, TRU9360, TRU9496, TRU9488, TRU5885, TRU8860 TRU9466, TRU9460, TRU9480, TRU9485, TRU9565, TRU9585, DECT4096, DECT1060, DECT4086, DECT4066, DECT3080 DECT2085, DECT2080, DECT2060, DECT1080, etc |
| Cisco Linksys | CIT200, CIT300, CIT310, CIT400 SPA921, SPA922, SPA941, SPA942, SPA962 |
| Cisco SPA | 303, 501G, 502G, 504G, 508G, 509G, 525G 512G 514G,525G2 |
| Cisco | 7985 Unified IP phones |
| RCA | ViSYS 25425RE1, 25424RE1, 25423RE1, 25214, 25423, 25424, 25414, 25413RE3-A |
| Grandstream | GXP-2010, GXP-2020, GXP-2100, GXP-2110, GXP-2120, GXP-280, GXP-285,BT200, BT201 GXP-2000(Version 1.0 higher with 2.5mm Headset Socket) |
| Polycom | IP320, IP321, IP330, IP331, SoundPoint Pro SE-220, SE-225 |
| Zultys Technologies | ZIP 4x4, ZIP 4x5 IP Phones |
| Gigaset | C430, C430A, C430H, C430HX, C450A, C470, C475, C455, C530, C530A, C590, C595, CX610, C610A, C610 IP, C620, C620H, CL600 HX, DL500A, DX600A, DX800A, CX810, S4prof., S400, S450, S67H, S68H, S675, S680, S685, SX680, SX685, S79H, S795, S810, S810H, S810A, S850, S850HX, SL750H, SX353, E365, E630, E490, E495, E500, DX800, SL350A and more |
| Clarity | D724, D722, D714C, D712, D704, D703, D702, C4220, C420 |
| Cortelco | 1220, 1210, 1203, 1211, 9225, 9125, 9120, 8782, 8780, 8015, 2750, 2740, 2730, 2720, 2705, 2700 |
How to adjust if l can't hear any sound when the headset is connected to the landline?
First, check whether the headset plug is connected to the device stably.
Second, select headset button in the device to active the headset for calling and the volume is max.
Finally, check whether speaker mute is turned on or not.
Why can't l hear myself when l talk?
These headsets do not monitor the input into the headset audio output. Monitoring playback can typically be achieved in computer settings.
How about the volume control?
The volume control of headset is independent of the phone sound system. If you want to increase the volume, you need to adjust the volume of both the inline control and the phone simultaneously.
























