See Compatible Phone List in Description. Direct connect over the head landline telephone headsets work for Some Specific Phone Models from AVAYA Aastra Allworx Adtran Alcatel Lucent AltiGen Comdial Digium Gigaset InterTel Mitel Plantronics MiVoice.
High Sound Quality for Clear Communication: Wideband Sound telephone headset enables natural listening experience, features Noise Canceling Microphone to reduce background noise, Acoustic Shock Protection Circuit to protect your hearing.
SEE MORE COMPATIBLE PHONE LIST IN DESCRIPTION.Direct connect landline telephone headsets suitable for SOME SPECIFIC MODELS from NEC Aspire Dterm Nortel Norstar Meridian Plantronics Polycom ShoreTel Siemens ROLM Toshiba Zultys Packet8 NEC:Aspire Electra Elite IPK Dterm Series i DSX DTL DTP DTR DTU SERIES DT300 Northern Telecom (Nortel Norstar):1120E IP 1140E IP 1150E IP i2002 i2004 1210 1220 1230 2465 2564 NTZK23AA AB: M2008 M2216 M2616 M3903 M3904 M3905 M7208 T7208 M7308 M7310 M7316