What EHS (Electronic Hook Switch) cable do I need with my handset?

NEC SL1100, SL 2100 uses BE113158 (DX7NA-WHA-A1)

NEC SV9100 DT430 uses APN-91 

Aria 9224 and other LIP handsets 9000 series uses EHSA adapter

Aria 8000 series uses LIP-EHS (1492-30)

Corded NEC SL1100 and 2100 uses A10-16 Plantronics cable 

Corded LG Aria phones uses Polaris cable