The document discusses best practices for implementing Asterisk-based open source telephony solutions in enterprises. It highlights the business, technical, and executive support required. Some key considerations include having Asterisk expertise, stable infrastructure, strong project management, and experience with systems integration. The document also provides examples of how Asterisk has been used successfully in various enterprise projects for applications like call centers, voicemail systems, and telemarketing dialers.

1. Asterisk in the Enterprise Best Business Practices in Implementing Asterisk-based Open Source Telephony Solutions Panel Prepared by: Terry L. Carpenter Jr. [email_address] (484) 334-4122

2. What’s it Take to Implement? Business Technical Executive support Tier 1 infrastructure Strong project mgmt Asterisk expertise Stable & skilled staff Telephony experience Innovative partners Systems integration Strong will to succeed Strong C programming * Asterisk community relations Version management experience (subversion) *

4. Business Driven Approach Drivers / Opportunities Inputs Inventories Requirements Capabilities End of Life Contracts Vendors Budgets Support Growth M & A Technology New Ventures $$$ Availability Future Capabilities

6. Risk Profile Matrix 8 4 6 1 9 Internal control External control 3 2 5 7 Delivery Risk High Low Low High Probability

14. Business value & approach to integrating voice features with Asterisk Digium Theater - Expo Floor 2:00 PM 5:00 PM Prepared by: Terry L. Carpenter Jr. [email_address] (484) 334-4122 James A. Rothenberger [email_address] (484) 334-4123

19. Daily Average Usage (>15,000 Calls per Day)

20. (3) Peak Days - Usage by Hour

23. Asterisk Voicemail Recording Load Test

25. Technical Description - Architecture 120 UCD Lines SMDI 2-1111 SIP IAD (FXO) SIP Proxy ITSP Gateway Intranet PSTN Extensions 2-1111 6-1234 Mailboxes 6-2222 7-2222 6-2222 7-2222 T-1 6-1234 SIP Centrex IAD (T1)

27. Voicemail Signaling Call Flow