1. ROI for VoIP in the Enterprise A business case for Zultys VoIP Solutions

2. Purpose of Enterprise VoIP Legacy PBX no longer supported Expensive to upgrade legacy PBX Expensive to maintain legacy PBX

3. Strategic Considerations Adopt SIP for technology platform –open standards –widely embraced worldwide –widely deployed by ITSP for alternative service –retains market value of system –provide choice in additional equipment Deploy purely IP based system –provides native PC integration –quick deployment of offsite location –upgrade and maintain on LAN

4. Business Objectives Install enterprise wide VoIP platform –interconnect branch office –interconnect home workers Less billing for phone related costs –interoffice internal toll charges –toll charges between locations Gain more tools for less cost –more PC integrationm –faster access to voice messages

5. Constraints and Criteria Phone connectivity 50 users total –30 at headquarters –15 at branch office in another city –5 home workers Solution constraints –HQ to have broadband for 20 max voice calls 20 x 30 kb/s = 600 kb/s minimum dedicated for voice –branch to have broadband for 15 max voice calls 15 x 30 kb/s = 450 kb/s –home office to have broadband for 1 voice call 30 kb/s (DSL or cable modem)

6. Top Benefits of Upgrade Increase productivity among employees Reduce toll charges between offices Reduce personnel labor for maintenance Empower business users to make configurations Open standards protects market value Option to reduce all toll charges through ITSP

7. Challenges Broadband connectivity must be reliable LAN infrastructure must be ready –entirely switched network no hubs –logical IP visibility from all locations to a single IP Re-education of end users on phone system

8. Impact of Initiative Better call routing for customer –call handling rules, auto attendant Employee is more productive –manage voice mail and calls from PC Business Process –easier to make moves, adds, and changes Technology Infrastructure –need to ensure appropriate WAN infrastructure Competitive –less distraction to concentrate more on core competency

9. Additional Resources provided by Solution Centralized and local address books Hot desking for field employees Included corporate Instant Messaging Included corporate presence server Included DHCP, TFTP, NTP servers Included multiple ACD and operator groups Included auto attendant and IVR functionality Included call detail reports Optional fax server

10. Proposed Architecture at HQ MX250 LAN Broadband service Internet Firewall and NAT PSTN T1 service ZIP2x2

11. Proposed Architecture at Branch Office MX25 LAN Broadband service Internet PSTN analog FXO service ZIP4x5 ZIP2x2

12. Proposed Architecture at Home Office Broadband service Internet PSTN analog FXO service ZIP4x5 cable or DSL modem

13. Deployment Schedule Order broadband service for HQ –not required if enough bandwidth for voice Order broadband service for Branch Office –not required if enough bandwidth for voice Order broadband service for each home –not required if enough bandwidth for voice Two day system installation –day 1 to configure, install, and test –day 2 to cutover service and troubleshoot

14. Manufacturer’s Background Incorporated in 2001 Sales presence in over 93 countries Worldwide compliance for all products Market recognition for VoIP solutions

15. Return on Investment with Zultys Project cost is $37.5k in first year –$30k for system includes software maintenance and warranty –broadband service cost is $7500 per year System paid for in first year of savings –reduce phone charges by $9k –reduce personnel charges by $30k –reduce maintenance by $1500

16. Alternatives and Options Continue with legacy PBX –expensive maintenance –difficult to buy upgrades and parts Select another legacy PBX –dying technology –expensive maintenance Select another IP PBX platform –expensive infrastructure changes –expensive server prices –expensive professional services for installation –expensive maintenance