NEC
- Aspire
- Topaz
- C410
- C460
- NC10
- NC23
- NC23SE
- NC230
- NC460
- NA820
- NCA20
- NCX23
- ND10A
- ND10B
- ND20A
- ND20B
- ND20S
- NEAX-61 (K, L, M & S)
- NEAX-61E
- NEAX-61E Remote
- NESXS (Nippon Electric step-by-step based on license from Western Electric)
- M100
- NEAX31 (Discrete Electronic CPU, 4-stage Crossbar switching fabric, PBX)
- NEAX22 (Analog / Digital hybrid PBX)
- NEAX 2000/1000
- NEAX2400 (Fully Digital PBX)
- XN120
- NEC Univerge SL1000 (Small or Medium Sized, VoIP And TDM)
- Enterprise IP Systems
- NEC Univerge SV7000 (Fully IP, VoIP and TDM) Pure IP Communication server
- NEC Univerge SV8100 (Fully IP, VoIP and TDM)
- NEC Univerge SV8300 (Fully IP, VoIP and TDM) Pure IP Communication server
- NEC Univerge SV8500 (Fully IP, VoIP and TDM) Pure IP Communication server
Read more about this topic: List Of Telephone Switches