SIP Trunking A VASP Perspective

1. SIP TrunkingA VASP Perspective Thomas Roel Convergence Sales Engineer 651.796.7043 troel@nacr.com

2. --(BUSINESS WIRE)--In an environment where cutting costs and streamlining communications tools are critical for businesses to rapidly gain productivity and increased return on investment (ROI), SIP Trunking is an ideal solution for businesses of any size. “… simple and flexible … “ http://finance.yahoo.com/news/Sprint-SIP-Trunking-Provides-bw-3887565719.html?x=0&.v=1

3. International Deployment PRI-SIP Migration

4. Case #1 • Large e-commerce/TV broadcast company • ACD SIP Integration from acquire competitor to existing Call Processing engine • Remote Agents from competitor brought into new system with SIP endpoints • Presence in the Enterprise • Migration to SIP Trunking • One year cost-savings > $1.7M.

5. Case #2 • On-line Dating Company • Desire to create virtual Contact Center • SIP Trunking implemented • Inbound calls via SIP delivered to outsourced agents via IP • Derived Benefits • Centralized Reports • Centralized Recording • Centralized Call-delivery control • > $1M in first year

6. Case #3 • National Bus transportation company • Hundreds of locations • Was spending thousands of $$ each month on local and toll-free over traditional trunking methods • IP Flex enabled porting of local and 800 #s into primary Data Center • Single trial location derived $72K savings in very short period of time

7. We strongly recommend use of SBC for ALL SIP Trunk Deployments • Session Border Controller – “Firewall for SIP / VoIP” • Secure the borders of a VoIP network • Protect VoIP, video and UC sessions • Authentication, Encryption, NAT traversal, DoS protection • Fix protocol interworking issues • Assure & measure session quality • Monitoring, reporting, & troubleshooting (demarc) • Traditional firewalls cannot: • Prevent SIP-specific overload conditions and malicious attacks • Open / close RTP media ports in sync with SIP signaling • Track session state and provide uninterrupted service • Perform interworking or security on encrypted sessions • Scale to handle many 1000s of real-time sessions • Provide carrier class availability

8. SIP Trunking – the provider perspective Is this a certified configuration? WAN Service What services do you want? PSTN Multiple flavors of SIP trunking SIP Provider Call App Server Session Border Controller (SBC)

9. Do I send a 1? • Are you sending me 10 or 11 digits? • Is there a DID range? • Send a + for International? • # of digits for International? • Are trunks both inbound and outbound? • Route pattern choices if this fails? • Fax support? ? Common ‘s

10. [ ] NACR Checklist P

11. Deployment What Determines a Successful SIP Deployment?

12. IP Optimization Review • Introduction to VoIP Enterprise Preparedness • Evaluation of performance and stability of an existing data network before deploying a SIP solution • Call Servers translation and equipment analysis • Introduction to SIP • SIP Integration Assurance • Evaluation of performance and stability of an existing data network before deploying a VoIP solution • Call Server translation and equipment analysis • Covers the system components for SIP Trunking, such as SIP Proxy and Registrar Services, Session Border Controllers, and basic troubleshooting tools. • Provides voice professionals with a strong foundation in data networking protocols such as H.323, H248, as well as an introductory overview of SIP.

13. Thank you Thomas Roel Convergence Sales Engineer 651.796.7043 troel@nacr.com