Nec Electronic Hook Switch Adapter (Rj-9 To Rj-9) For Jabra Gn9300E Series. Pro 9400 Series. Go 6470 Wireless Headsets And Nec Dt 700 Series. Supports Sip-Based Phones Only. N-Sip On The Sv Platforms Is Presently Not Supported By The 14201-31 Adapter.
