SIP Trunking A VASP Perspective Thomas Roel Convergence

SIP Trunking A VASP Perspective Thomas Roel Convergence Sales Engineer 651. 796. 7043 troel@nacr. com

--(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

International Deployment PRI-SIP Migration

Case #1 § Large e-commerce/TV broadcast company o ACD SIP Integration from acquire competitor to existing Call Processing engine o Remote Agents from competitor brought into new system with SIP endpoints o Presence in the Enterprise o Migration to SIP Trunking o One year cost-savings > $1. 7 M.

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

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

We strongly recommend use of SBC for ALL SIP Trunk Deployments Session Border Controller – “Firewall for SIP / Vo. IP” Secure the borders of a Vo. IP network Protect Vo. IP, video and UC sessions Authentication, Encryption, NAT traversal, Do. S 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 1000 s of real-time sessions Provide carrier class availability

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

1. 2. 3. 4. 5. 6. 7. 8. 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

[P ] NACR Checklist

Deployment Architecture Design & Services Convergence (Voice&Data Teams) What Determines a Successful SIP Deployment? Customer (Training)

Enterprise Preparedness SIP Integration Assurance IP Optimization Review Introduction to SIP Introduction to Vo. IP 4 Evaluation of performance and stability of an existing data network before deploying a SIP solution 4 Call Servers translation and equipment analysis 4 Evaluation of performance and stability of an existing data network before deploying a Vo. IP solution 4 Call Server translation and equipment analysis 4 Covers the system components for SIP Trunking, such as SIP Proxy and Registrar Services, Session Border Controllers, and basic troubleshooting tools. 4 Provides voice professionals with a strong foundation in data networking protocols such as H. 323, H 248, as well as an introductory overview of SIP.

Thank you Thomas Roel Convergence Sales Engineer 651. 796. 7043 troel@nacr. com