Sophos UTM - Sophos UTM integrates complete security software within a single appliance.
ShoreTel - Cloud phone system & contact center software & services
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
CorvisaOne - CorvisaOne is another cloud-based communications suite that is specially designed for companies that need features for managing inbound or outbound call centres.
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
8x8 X Series - X Series connects teams across channels and around the globe, giving you access your most critical information securely, from any location.