Sennheiser Quick Disconnect Easy Connect Cord

The Sennheiser Quick Disconnect Easy Connect Cord is a replacement cord for connecting your Sennheiser corded headset to the Sennheiser Corded Headset Amplifier. In addition, you can even use this cord to connect your headset directly into specific Avaya, Cisco, Mitel, Nortel, Polycom, Siemens, and NEC phones (see models below)! Call us at 1-800-HEADSETS (1-800-432-3738) to check for compatibility.Compatible Avaya phone models:4600 IP Series, 5600 IP Series, 6400 IP Series, 8400 IP Series, Merlin Magix 4400 SeriesCompatible Mitel phone models:5000, 5100, 5200, 5500 IP Series, as well as Superset 1, 2, 3, 4, 7, 410, 420, 430, 4000, 4100 SeriesCompatible Nortel phone models:i2001, i2002, i2004, M3901, M3902, M3903, M3904, M3905, M5006, M5009, M5112, M5209, M5212, M7100, M7208, M7310, M7324, M7900, T7100, T7208, T7316, T7324Compatible Polycom phone models:Soundpoint IP300, IP400, IP500, IP600, IP501, IP601 SIP, IP310, IP501, IP601, IP650Compatible Siemens phone models:312 Series, 612 Se