The document provides an overview of the Mitel 5000 Communications Platform Release 3.1. It discusses key features of the platform such as supporting digital, IP, or hybrid phone systems. It also outlines enhancements in Release 3.1 including expanded integration with Mitel applications and additional peripheral support to provide flexibility and connectivity for small to medium-sized businesses.

1. Mitel 5000 Communications Platform Release 3.1 Overview February 2009

2. Agenda Mitel 5000 Communications Platform (CP) Overview What’s New in Release 3.0 Overview of Mitel Application Suite (MAS) 1.2 for 5000 CP

3. Mitel 5000 Communications Platform Overview Mitel ® 5000 Communications Platform (formerly Inter-Tel ® 5000 Network Communications Solutions) enables organizations to blend their voice system into their data network Designed to deploy more easily and cost-effectively in converged network environments Based on Internet-style networking to more easily support a wider variety of best-of-breed productivity and business process applications Expanded digital phone capability is ideal for the small- and medium-sized businesses as well as for legacy migration opportunities

4. Mitel 5000 Communications Platform Overview Target Customer Profile Businesses with under 200 employees Who want to add digital and IP capability to their existing phone systems Businesses with under 100 employees Who need flexibility in digital, analog or IP capability Businesses with under 50 employees Who want a cost-effective, simple and easy to install system that can deliver digital, IP or a hybrid phone system All businesses that need applications to improve their bottom-line performance and business communications with their employees and customers

5. Mitel 5000 Communications Platform Overview Customer Value Proposition Delivering lower costs and enhanced value from your network infrastructure investment Streamlining and enhancing customer interactions Integrating with critical business process applications Improving employee productivity, mobility and efficiency Lowering overall communications costs

6. Mitel 5000 Communications Platform Overview Customer Value Proposition Increased employee efficiency Mitel’s powerful, easy-to-use interfaces and centralized directories put users in control of their communications and devices Faster information flow Mitel’s presence awareness and intelligent call routing applications provide quicker and more reliable connections Anytime, anywhere connectivity Wireless support enables instant voice and data connections from anywhere Flexible and cost-effective growth Expands to support up to 250 users and multiple sites. Functionality can be added with Mitel and third-party applications and devices

7. Mitel 5000 Communications Platform Overview Key Features Designed to provide a hybrid (digital, IP or combination of both) solution for the SMB Optimizes high quality voice in data networks Supports Mitel multiprotocol phones IP networking capability Music-on-hold from multiple sources Built-in conferencing Built-in voicemail Voicemail storage on compact flash Additional industry-leading voicemail and unified communications applications Compact design Linux-based operating system Full-featured WAN survivability within a networked system Enables remote database programming Offers web-based diagnostics

8. Mitel 5000 Communications Platform Overview Phone Support IP Phones Mitel 5212 and 5224 IP Phones Mitel 5330 IP Phone Cordless handset and headset Mitel 5340 IP Phone Cordless handset and headset Mitel 8622 IP Phone Mitel 8662 IP Phone Mitel Gigabit Ethernet (GigE) Stand Digital Phones Inter-Tel Model 8500 Inter-Tel Model 8520 Mitel Attendant Console Wireless Phones Inter-Tel Model 8601 Inter-Tel Model 8664 Inter-Tel Model 8665 Mitel Wireless LAN (WLAN) Stand

9. Mitel 5000 Communications Platform Overview Digital Expansion Interface (DEI) The DEI compliments the 5000 CP and provides businesses with flexibility in deploying digital and analog solutions, complimenting full IP capability The DEI offers: 1U rack mount form factor Three modular bays Supports up to three digital (or analog) phone modules (16 ports each) Allows for the connection of up to 48 digital phones Up to three DEI’s can be added to a Mitel CS-5200 while 4 DEI’s can added to Mitel CS-5400 and CS-5600, enabling you to deploy up to 192 digital phones per DEI

10. 06/08/09 slide What’s New in Release 3.1

11. What’s New in Release 3.0 Summary Integration with Mitel Application Suite Expanded DEI Capability Persistent MOH (music on hold) and File-based Music Sources Dual Filter Echo Cancellation (ECAN) Additional Peripherals and Accessories ISDN 2B Transfer and Volume 11 Support Enhancements to BVM, Caller ID and VPIM support O, A, and M enhancements

12. Integration with Mitel Application Suite Mitel Applications Suite (MAS) is a robust communications solution that unifies mission-critical applications required by small and medium sized businesses (SMBs) in an easy-to-use, cost-effective solution Mitel Applications Suite simplifies communication while increasing productivity, enhancing customer service and reducing total cost of ownership (TCO). Mitel Applications Suite allows SMBs to unify their diverse workforce by bringing together their multiple locations Mitel Applications Suite integrates seamlessly with the 5000 CP and delivers unified messaging, Speech Auto-Attendant, and sophisticated audio and web conferencing

13. Summary Ideally suited for today's business-conscious SMBs Supports a wide variety of productivity and business process applications Hybrid platform that is easy and cost-effective to deploy in converged networks 5000 CP delivers Simplicity – Technology Leadership – Customer Focused

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