This is the Jabra GN Adapter with 4 wire modular female connector and 2 prong PJ327 plug. This connector converts from a 2 prong connections to a modular connection. This adapter allows the GN/Jabra wireless headsets and Plantronics wireless headsets to be used with such a system.

Compatible with Nortel M2250 console,Avaya Attendant Console 302A, 302B, 302C, 50B, 551, 557, VMC

Important note on Returns: Due to the manufactures policy, this is a special order item.  All Sales are FINAL.  It's not returnable, not refundable under any circumstance.  If it's defective, Jabra will replace it for you under warranty