1. SIP Bridging for Hoot n Holler Hydra-Link TM Florida Reliability Coordinating Council Solutions for:

2. Key Differentiators: Flexible Software only (option) Point and Click User Interface Central Management Easy to Trouble Shoot Built in Voice Recorder Built in Encryption Scalable Port Capacity 10 - 8,000 ports in one server Purchase in blocks of (10 ports) High Availability Real Time database replication 1:1 Hot and warm standby configuration 1:1 Load Shared configuration Robust Carrier Grade SIP Stack RAID – 1 Mirrored Hard Drives Redundant AC/DC power supplies Linux Operating System DEBS/CE Compliant Hydra-Link TM Hoot n Holler Deliver and Manage Hoot n Holler Voice Circuits Over MPLS or Internet With Reliably Analog VOIP

3. VMware vSphere VMware Linux OS Installation Options Virtual Machine 4 Core – 250 Ports 8 Core – 500 Ports 16 Core – 750 Ports 24 Core – 1,000 Ports General Resource Reservation 8 GB RAM 40 GB HDD On Premise Machine 4 Core – 250 Ports 8 Core – 500 Ports 16 Core – 750 Ports 24 Core – 1,000 Ports General 8 GB RAM 40 GB HDD Hydra-Link App Linux OS Hydra-Link App

4. Hydra-Link Use Cases

5. Overview: CS-74 is 4-channel SIP Hoot n Holler Desktop Device that allows users to Push to Talk (PTT) or Simultaneously Monitor up to (4) different Talk Groups. CS-74 integrates seamlessly with ETC’s SIP Bridging Platform (HydraLink). Key Differentiators: Purpose built design with 4-channels Direct SIP Integration with HydraLink SIP Bridge Expansion limited to Ethernet switch ports Requires a single CAT 5 cable Easy to install and support Affordable SIP Desktop Station

6. Miami Office SIP MPLS SIP Hoot n Holler Over MPLS SIP SIP Bridge San Francisco SIP OPTIONAL Off Premise Voice Recorder SIP PSTN / Cell Network

7. Application Management Framework P2P, P2V, or V2V FAILOVER vCenter Server OS Hydra-Link vCenter Server OS Hydra-Link MONITORING REPLICATION FAILOVER SWITCHBACK ROLLBACK MONITORING REPLICATION FAILOVER SWITCHBACK ROLLBACK Persistent Connection Layer SECONDARY SERVERPRIMARY SERVER Fully Monitored Redundancy Framework (Heartbeat) HEARTBEAT CHANNEL Heartbeat Diagnostics WAN LAN + High Availability

8. Key Takeaways The Hydra-Link TM SIP based Bridges can be deployed as “Active/Active Hot Standby”, ensuring 99.999% availability The Hydra-Link TM can scale to ‘000s of ports, supporting large number of simultaneous Meet-me conferencing, H-n-H sessions and ARDs/MRDs. The Hydra-Link TM platform can support both IP Unicast and Multicast network interfaces. The Hydra-Link TM platform provides multiple Information Assurance features for enhanced platform security. Conference recordings are encrypted using AES256 standard. The Hydra-Link TM voice gateways convert CAS TDM or Analog voice to VoIP and vice-versa. These gateways have proven interoperability within Global Enterprises. 8

9. XOP Networks - Confidential Lackland Air force base Air National Guard Customers in Different Verticals

10. FREE PILOT Dave Harding President Essential Trading Systems 860-295-8100 x113 dharding@essentialtel.com 10