Avaya
- Currently Available Avaya Switches
- Application Server 5300 (AS5300)
- Communication Manager
- S8800
- S8730
- S8510
- S8400
- S8300D
- INDeX
- IP Office
- PARTNER ACS (Advanced Communications System)
- PARTNER Small Office Edition
- Discontinued Avaya Switches
- 1A2 Key System (Electro-mechanical Key System made by Western Electric)
- DEFINITY BCS (Business Communications System)
- DEFINITY ECS (Enterprise Communications Server)
- DEFINITY G3R (Rack)
- DEFINITY Communications System Generic 2 (Formerly, System 85)
- DEFINITY Communications System Generic 3 (Formerly System 75)
- DIMENSION (Previously made by AT&T)
- G3MCC (Multi-Carrier Cabinet)
- HORIZON (Previously made by AT&T)
- MERLIN ("Classic", Originally made by AT&T)
- MERLIN PLUS ("Classic", Originally made by AT&T)
- MERLIN II ("Classic", Originally made by AT&T)
- MERLIN LEGEND
- MERLIN MAGIX, Integrated Communications System
- PARTNER
- PARTNER II
- PARTNER PLUS
- S8700 & S8720
- S8500
- S8300 a,b & c
- SPIRIT
- System 25 (Previously made by AT&T)
- System 75 (Previously made by AT&T)
- System 75 XE (Previously made by AT&T)
- System 85 (Previously made by AT&T)
Read more about this topic: List Of Telephone Switches