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SIP Trunking A VASP Perspective. Thomas Roel Convergence Sales Engineer 651.796.7043 [email protected]. - PowerPoint PPT Presentation
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--(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
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 > $1.7M.
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
> $1M in first year
Case #3
National Bus transportation companyo 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 $72K savings in
very short period of time
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
SIP Trunking – the provider perspective
WAN Service
Call App Server
PSTNPSTNSIP ProviderSIP Provider
Session Border Controller (SBC)
Is this a certified configuration?
What services do you want?
Multiple flavors of SIP trunking
1. Do I send a 1?2. Are you sending me 10 or 11 digits?3. Is there a DID range?4. Send a + for International?5. # of digits for International?6. Are trunks both inbound and outbound?7. Route pattern choices if this fails?8. Fax support?
[ ] NACR Checklist
Deployment
What Determines a Successful SIP Deployment?
Evaluation of performance and stability of an existing data network before deploying a SIP solution
Call Servers translation and equipment analysisSIP Integration Assurance
IP Optimization Review 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.
Introduction to SIP
Provides voice professionals with a strong foundation in data networking protocols such as H.323, H248, as well as an introductory overview of SIP.
Introduction to VoIP
Enterprise Preparedness
