1. MX Groups

2. Page 2 Multiple Sites – What Most are Offering Centralized Intelligence Survivable Gateways at remote sites DISASTER AT MAIN SITE ONLY BASIC FEATURES ARE AVAILABLE!

3. Page 3 Redundancy with Centralized Intelligence $ No problem? –just duplicate all your centralized intelligence in a different location? –not very cost effective! $

4. Page 4 The Peer to Peer Approach WAN All Systems Have All Features - Distributed Failure at one site Feature set locally at sites remains the same

5. Page 5 MX Group – Peer to Peer communication Build a group of up to 32 systems –MX250 or MX30 systems (Release 3.0) Seamless calling between locations –choice of dial plan schemes –unique extensions or prefix for locations

6. Page 6 MX Group – Features, 1 Synchronized global address book –view presence and communicate with IM –select buddies from any office Incoming calls reach the user anywhere Transfer calls between locations Forward calls to another location

7. Page 7 MX Group – Features new in Release 3.0 Dial by name directory across the group Forward voice mail and faxes between MX systems (locations) If WAN is down to user’s home MX system –call comes in for user –voice mail stored locally on MX –forwarded to home MX when WAN link comes up

8. Page 8 System Administration Administrators can be anywhere Secure authentication to join a group Administrators can be restricted to their own location –or can manage multiple locations Easy to see all employees in the enterprise –with indication of “home” location

9. Page 9 Extra Benefits Compression between sites –uses G.729A to minimize bandwidth Encryption between sites –phones and MX250 use AES 128-bit algorithm –highly secure to prevent man in the middle