2. VoIP Billing Solutions Company www.portaone.com

3. PortaSIP

4. PortaSIP Architecture

5. Registration SIP Proxy RADIUS SIP  REGISTER  401 Unauthorized; WWW- Authenticate  REGISTER; Authorization  AUTH REQ  AUTH ACK  200 OK Benefits EEncrypted UUA may use dynamic and/or private IP BBilling Assisted A

6. SIP Registration Extensions In PortaBilling100

7. Call Setup  INVITE  401 Unauthorized; WWW- Authenticate  INVITE; Authorization  AUTH REQ – LOOKUP  AUTH ACK - # to Call  INVITE; Authorization  AUTH REQ  AUTH ACK – credit time  INVITE  TRYING – RINGING - OK  Start ACC (optional)  RTP Session  Alive ACC (optional) SIP Proxy RADIUS SIP B2BUA AB

8. Benefits  Integrated SIP proxy & B2BUA  RADIUS enabled SIP proxy & B2BUA  Billing assisted dial plan lookup

9. Dialing Plan Extensions In PortaBilling100

12. Call Teardown  BYE  BYE – Also (optional)  Closing RTP Session  OK  Stop ACC SIP Proxy RADIUS SIP B2BUA AB Benefits IIntegrated B2BUA OOptionally Calling Party (A) may be redirected to IVR

13. RTP proxy (optional)  INVITE If UA’s behind different NAT’s  Allocate Port Request  Port Allocated ACK  SIP messages with rewritten host:port in the sdp  RTP sessions SIP Proxy RADIUS SIP B2BUA AB RTP Proxy

14. Call Routing  INVITE  401 Unauthorized; WWW- Authenticate  INVITE; Authorization  AUTH REQ – LOOKUP  AUTH ACK - # to Call  INVITE; Authorization  AUTH REQ  AUTH ACK – credit time & Routing Info+Auth Info  INVITE  401 Unauthorized; WWW- Authenticate  INVITE; Authorization  TRYING – RINGING - OK  Start ACC (optional)  RTP Session  Alive ACC (optional) SIP Proxy RADIUS SIP B2BUA A SIP Proxy B

15. Benefits  Billing Assisted Routing  Billing Assisted Authentication with remote SIP servers (Vendors)  Integrated Web Interface

16. Vendor Auth Extensions In PortaBilling100

17. Routing Extensions In PortaBilling100

18. Why choose PortaSIP?  Open Source quality-assured components  Out of the box functionality  Integration with billing  Easy integration with CRM  Rapid delivery  Increased productivity  Reduced corporate risk

19. Users  E-mail Administrators  Web Developers  System Administrators  System Programmers  Quality Assurance and System Design Engineers  IS Managers  Database Administrators