1. Vertical Non-Disclosure – Timing and Content Subject to Change Product Overview

2. Vertical Non-Disclosure – Timing and Content Subject to Change >INTRODUCTION >SALES POINTS >PRODUCT COMPONENTS Contents

3. Vertical Non-Disclosure – Timing and Content Subject to Change Introduction

4. Vertical Non-Disclosure – Timing and Content Subject to Change SBX IP 320 Solutions for SMB SBX IP 320 basic service unit provides a variety of features for enterprise communications including VM, CID as basic services SBX320 will scale from its’ current configuration to a larger configuration. Also, VoIP technology, allows SBX320 to offer IP extensions, system networking, and SIP trunks. Simplified Architecture/Easy to Use Its simplified architecture provides plug & play facility with full hybrid extensions scalability up to 12x32 capacity and user friendly OAM tools Powerful Basic Telephony Services/Cost Effective Expansion & Converged System

5. Vertical Non-Disclosure – Timing and Content Subject to Change Value proposition of SBX IP 320 Basic service unit with no options Powerful telephony features such as CID, LCR, SMDR, Conference, LAN connection Call cost control, etc,. 100s of features IP Networking IP telephones SIP trunks >Optimized SMB Converged KTS Voice Mail Auto Attendant UCD >Latest digital Key System Features >Advanced IP Telephony System

6. Vertical Non-Disclosure – Timing and Content Subject to Change Full converged telephone System with various services for SMB >SMB telephone system reaching 12 x32 in 3x8 increments >Caller ID service for CO line & SLT >Conference, SMDR, LCR, Call duration control Collect call barring, Mobile extension >Other services for enterprise communications Alarm detection, External door phone control, External paging interface, External music source interface, RS232 or LAN administration >User friendly install/setup. 2 default programs that cover 85% of anticipated configurations!

7. Vertical Non-Disclosure – Timing and Content Subject to Change >Built-in type auto attendant/voice mail service >4 ports / 2 hours On touch record, call screen, notification >Remote system access (LAN, Modem) for maintenance with GUI interface program > Hybrid ports can be wired either as digital or analog extension Latest digital key system providing advanced optional features

8. Vertical Non-Disclosure – Timing and Content Subject to Change IP enabled telephone system >IP Endpoint support (teleworker) >IP Networking for multiple office connectivity >SIP trunk capability

9. Vertical Non-Disclosure – Timing and Content Subject to Change Sales Points

10. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Flexible configuration Analog Extension - SLT, FAX PSTN Digital Extension Max. 12 Analog CO 32 Ext. Simplified Configuration for Operation & Expansion ► ► Full hybrid extension, station ports can be configured as digital OR SLT ► ► Automatic fax tone detection for PSTN ► ► Card expansion in each cabinet (3/08>6/16>9/24>12>32)

11. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Advanced built-in services – CID display  Caller ID display on digital & analog extensions ► CID detection (DTMF, FSK) from PSTN line ► CID distribution by ring assignment, follows call transfer ► CID for single line extensions PSTN 123-4567 CID SLT Digital Keyset 123-4567 Call Transfer

12. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Advanced built-in services – Conference  Simplified Collaboration ► Conference room – 15 users/9 conference rooms ► Optional password entry ► Attendant station can view # of parties in room, cancel ► Conference – multi-line conference, add-on conference DISA Mobile Network PSTN Ext. 100 Ext. 101 Ext. 108 Conference Room #1~#9

13. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS User friendly administration  On-site & off-site Maintenance – RS-232c, Modem, Ethernet ► Telephone programming ► Off line, on line programming (client program) ► diagnostics, s/w upgrade, PC admin ► User Tools! Speed editor for speed dial User-level admin program – adjustable level program PSTN Dial-up Connection Off-site (Remote) Maintenance Data Network On-site maintenance Digital Terminal Admin Maintenance Console

14. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Uniform Call Distribution  10 groups / 24 members per group  RAN announcements (3 per group) ► Primary, secondary, Guaranteed Message  Overflow timer  Alternate group support  Music Source per group  Wrap up timer  Supervisor Monitor/CIQ view on LCD  Statistics printout ► (Total calls, average ring time, average call time, unanswered call count, average & longest queue time)

15. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Voice Mail / Auto Attendant   4 port / 2 hour capacity   VMIB can be used as RAN announcement   CCR routing, 3 levels route to station or hunt group   Day/Night/Weekend greeting types ► ► Auto schedule   One-touch record, call screen, outbound notification, Caller ID callback   Integrated administration ► ► Greetings and setup ► ► TUI and GUI

16. Vertical Non-Disclosure – Timing and Content Subject to Change Optimized SMB Hybrid KTS Call Processing Features   Call forwarding station/CO, manual/preset, external   Hot desk to support mobile or remote workers   Call coverage   Direct transfer to mailbox   SMDR and Traffic reporting   Account Codes (Verified, non-verified, walking COS)   Hunt groups (Circular, terminal, all ring, or pickup types)   Weekly scheduler for time of day modes   Tenant Service 5 groups (ATT, ICM dialing, co-access, scheduler)

17. Vertical Non-Disclosure – Timing and Content Subject to Change SIP Proxy Advanced IP telephone system SIP Trunk SIP Server Platform IP Network SIP Trunking SIP Operator Networking  Cost Savings Over Traditional Copper  SIP stack for trunk support, Certification with multiple carriers  ROI over traditional copper, Traditional copper is there for failover  DID routing tables

18. Vertical Non-Disclosure – Timing and Content Subject to Change Advanced IP telephone system IP Switch for IP Extensions IP Soft-phone PC IP Phone IP Network IP Soft-phone Lap TOP PC LAN Remote Extension  Max. 8 Channels IP Switch (4 channel VOIP card + 4 ch. VOIP exp. Card)  QoS (Diffserv), G.711, G.723.1, G.729,G.729A, NAT traversal  IP Soft phone – PC version  Remote IP extension – Max. 16 (does not decrement from digital station count)  Utilizes 3808/3824 IP telephones

19. Vertical Non-Disclosure – Timing and Content Subject to Change Advanced IP telephone system IP Networking   IP Networking ► ► Net Call ► ► Identification Service ► ► Transfer ► ► Call Forward ► ► Conference ► ► Do-Not-Disturb (DND) ► ► CO Transit – In / Out ► ► Message Waiting Indication ► ► Absent Text Message ► ► Centralized VM / Attendant ► ► Centralized SMDR for Transit Call ► ► Busy Lamp Field (BLF) ► ► Net Follow-Me Forward Headquarters IP Networking Branch #1 Branch #N (Max. 72 branches) BLF Manager Centralized ATD

20. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components

21. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components Key Service Unit (BKSU, EKSU) >Line/Ext. interface : 3 Analog PSTN & 1 digital+7 Hybrid Ext. >PSU with ring generator >Other service units.1 Power failure back-up.Battery Back-up circuit.1 External Paging, 1 MOH interface.1 RS-232C.1 Alarm, 1 relay.RJ-45 for Ethernet connection! >Basic configuration - BKSU >Line/Ext. interface : 3 Analog PSTN & 8 Hybrid Ext. >PSU with ring generator >Other service units.1 Power failure back-up.Battery Back-up circuit >Basic configuration- EKSU Basic KSU Expansion KSU

22. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components CO Line and Hybrid Board (3 CO + 8 HYB) External.   Provides 3 circuits Loop start CO line interface.   DTMF or pulse signaling to line   Loop current detection   FSK & DTMF CID detection.   Call progress tone detections.   PFT circuit [CO1  the last SLT port (STA8)] Internal.   Provides 8 digital Stations or 8 SLT station circuits.   FSK & DTMF CID detection and Generator.   +36V Power Circuit for SLT feeding   SLT feeding Current is 20mA at 600ohm loop impedance.

23. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components MODEM board MODU analog modem connection for remote administration. Installs on the MBU Supports Bell, ITU-T, V.34, V.32BIS, V.90 Protocol 300bps up to 33Kbps speed rate Automatic rate negotiation

24. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components   VMIU provides 4 channel Record/Play   VMIU provides Time & System prompt   All message are saved in Flash memory   Max record time - Prompt : 8 Min. - System greeting : 24 Min - User record time : 99 Min   Max. Number of User Voice Message: 800ea Note : User Greeting does not lost by system power off or reset Note : User Greeting does not lost by system power off or reset because of this message is stored in FLASH memory because of this message is stored in FLASH memory Voice Mail Interface Unit

25. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components ItemSpecification LAN Interface10 / 100 Base-T Ethernet(IEEE 802.3) Speed10 Mbps (Auto-Negotiation) DuplexHalf Duplex or Full Duplex(Auto-Negotiation) VoIP ProtocolH.323 Revision 2, SIP Voice Compression G.711/G.726/G729/G.723.1 Voice/Fax SwitchingT.38 Echo cancellationG.165 VOIB can be installed on the basic MBU Provides the Ethernet interface for S/W applications and VoIP features. Optional VoIP daughter board.(VOIU) Maximum Capacity: 8 channels -VOIB provides four(4) VoIP channels. -VOIU provides four(4) VoIP channels. Voice over Internet Protocol Interface Board

26. Vertical Non-Disclosure – Timing and Content Subject to Change Product Capacities DESCRIPTIONCAPACITY/BOARDTOTAL Time Slots128 CO Line Ports3/MBU, 3/EMBU, 3/CHB308Max. 12 Max Direct Station (DKT, SLT, DSS) Connections 8/MBU, 8/EMBU, 8/CHB308Max. 32 Max. Door phone16/MBU, 16/EMBU32 LANMBU, VOIB2 MODEM Channel1/MODU1 Attendant Positions5/System Intercom LinksNon-Blocking Paging - All Call - Internal 1 zone 5 zones Station Speed Dial100/station, 24 digits each500 System Speed Dial24 digits each500 Last Number Redial15 ~ 50(by admin programming)32 digits

27. Vertical Non-Disclosure – Timing and Content Subject to Change Product Capacities DESCRIPTIONCAPACITY/BOARDTOTAL CO Line Group88 Station Group10 Conference3~15 PartyAll ports are available Multi-Conference3~15 PartyMax. 3 groups Internal MOH (13 Music Sources)1/MBU1 External MOH1/MBU1 External Paging port1/MBU1 External Relay Contact2/MBU, 2/EMBU4 Alarm Input1/MBU1 RS-232C Port1/MBU1 FSK Receiver channels12 chs/MBU12 chs (FSK sender: 16chs) DTMF Receiver channels15 chs/MBU15 chs (DTMF sender: No Limit) PFT Circuit1/MBU, 1/EMBU, 1/CHB3084

28. Vertical Non-Disclosure – Timing and Content Subject to Change Product Description and Part Numbers MODELDESCRIPTION 4000-00Basic KSU 4002-00Expansion KSU 4032-003x8 Expansion Board 4030-00Modem Unit 4037-004 port VoIP Board 4037-104 Port VoIP Expansion Board 4001-00BKSU and VM Package 4000-604 port 2 Hour AA/VM 3808-718 Button IP Telephone 3824-7124 Button IP Telephone 4008-002 Line LCD, 8 Flexible Buttons 4024-003 Line LCD, 24 Flexible Buttons 4010-0048 Button DSS Console 4060-00Door Phone Box

29. Vertical Non-Disclosure – Timing and Content Subject to Change Product Components Digital Keysets LDP-DPB Door phone 8-button entry level 24-button executive

30. Vertical Non-Disclosure – Timing and Content Subject to Change Summary  Packaged & priced competitively for small businesses ► Cost-effective feature-rich converged platform  Feature Rich ► Creates a professional image for smaller organizations with Voicemail, Auto Attendant  Future-Ready with IP Built-in ► Provides advanced functionality to support workplace or growth requirements  5 Year Warranty! ► All components  Coming Soon! ► Q1/2008