Key Players
- Top 3 (VMware, Cisco, Nokia)
- Rest of Top 5 (Huawei, Ericsson)
- Emerging Players (Amdocs, NEC, Juniper Networks)
- Niche Providers (Affirmed Networks, Ribbon Communications, Metaswitch)
- VMware
- Cisco
- Nokia
- Huawei
- Ericsson
- Juniper Networks
- Amdocs
