1. www.basis-audionet.com BASIS AudioNet OpenSER implemented in a high-availability environment with geographic redundancy Benjamin Wolf, Project Director November, 8th - VON Autumm Expo, Berlin

2. www.basis-audionet.com2 BASIS AudioNet About Us  Established 1968  500 Employees in three divisions  Current offices include:  Hamburg, Germany (HQ)  Horsham, PA, USA  Solutions targeted to:  Carriers  Cable Network Operators  Internet Service Providers  Resellers

3. www.basis-audionet.com3 Three Areas of Core Competency INFORMATION TECHNOLOGY CONSULTING DEVELOPMENT INTEGRATION HOSTING HOUSING CUSTOMER CARE CUSTOMER PORTAL HOTLINE 1 st & 2 nd LEVEL HELPLINE MONITORING BILLING TELECOMMUNICATIONS CONSULTING ALLOCATION (ASP) DEVELOPMENT INTEGRATION

4. www.basis-audionet.com4 Why BASIS AudioNet Company longevity and stability Core competency include evolution and convergence strategiesfor large scale installations Offer end to end solutions and niche services quickly and cost effectively Currently supporting over 100K installed ports and over 6M calls per day Available 24/7/365 online system monitoring, on-site system support

5. Solution

6. www.basis-audionet.com6 BASIS AudioNet - Multi-Client Communication Suite Multi-Client Communication Suite

7. www.basis-audionet.com7 BASIS AudioNet - Multi-Client Communication Suite cSARU BRI / IP PRI / IP PRI / IP / SS7 DeveloperTest / Demo Small business Carrier 1+N Media Gateway / Media Server Voice & Video Application Server  Voice Mail / UMS video & voice  IVR / ACD, video & voice  Conferencing, video & voice  TTS/ASR

8. www.basis-audionet.com8 MCCS Middleware Web Application MCCS Software Architecture SOAP Interface Administration SIP Client SIP

9. www.basis-audionet.com9 BASIS AudioNet - Multi-Client Communication Suite SIP Client (UA)  IETF SIP 2.0 Compliant  SOAP Layer  Easy to customize  Media delivery modes  Peer-to-Peer  Media Proxy  HTTP tunneling  IM / presence  Voice and Video calling  3 way calling  Narrow band and wide-band  voice codec support:  G.711, G.726, G.729a, iLBC, Speex, GSM, …

10. OpenSER implemented in a high-availability environment with geographic redundancy

11. www.basis-audionet.com11 Challenge SIP Service  first line voice replacement  geographic redundancy  high-availability (>99,999%)  Interface to existing class 4 and class 5 switches  Interface to existing subscriber back-office ticketing system (API)  open Interfaces  mobility restriction

12. www.basis-audionet.com12 OpenSER customised high availability architecture

13. www.basis-audionet.com13 Middleware customised high availability architecture

14. www.basis-audionet.com14 Middleware customised high availability architecture

15. www.basis-audionet.com15 Learn more about our potentials with openSER and visit us at the Expo Hall 2, Booth 421 Thank You for your Attention!

16. www.basis-audionet.com EuropeNorth America Jessenstraße 4235 Gibraltar Road 22767 HamburgHorsham, PA 19044 GermanyUSA Phone +49 40 853114-0Phone +1 215 674 8600 Fax +49 40 853114-33Fax +1 215 674 5714 vertrieb@basis-audionet.desales@basis-audionet.com