Key Players
- Aptar Group
- AudioCodes
- Avaya Inc
- The Vanguard Group
- Ericsson
- Gerresheimer
- HUAWEI Technologies Co Ltd
- Klockner Pentaplast Group
- Microsoft Metaswitch Portfolio
- Nokia Corporation
- Oracle Communications
- Ribbon Communications Inc
- Sangoma Technologies
- Carl-Zeiss-Stiftung
- Specialist Players