1. Rohde & Schwarz Topex TOPEX Qutex - GSM Gateway July 2011

2. Agenda l Description l Topex Qutex characteristics l Applicability l Conclusions

3. Description l VoIP GSM Gateway enabling interconnection of VoIP & PSTN network with mobile networks l Assures international transport of voice channels via an Internet connection l Support for 10 GSM channels

4. Networks Mobile Networks: GSM, UMTS,CDMA2000 VoIP networks: SIP,H.323 Fixed networks: SS7,ISDN, R2

5. Building blocks l It starts with a rack-chase - dimension 3U l You add a VoIP card on the back-side of Topex Qutex rack l You have the mandatory cards (source and processor) on the back-side of the rack; l You have 5 available slots for GSM/UMTS cards in front of Topex Qutex rack chase l Optional 2E1 card can be also installed on the back-side l All the cards are hot-pluggable – no need for restart when replacing

6. Card components l Topex Qutex front-side cards can be: l GSM cards with 2 modules on each board l UMTS cards with 2 modules on each board l CDMA cards with 2 modules on each board l 2 E1 card

7. VoIP cards l Topex Qutex can perform both SIPv2 and H323v4 signaling l VoIP cards scale 8/16/30/60 RTP channels l Topex Qutex can perform transcoding functions l Its DSP “speak” G.711 A and U law, G.723 and G.729 l Topex Qutex can transmit T.38 Fax over IP

8. Fixed-line cards l ISDN-PRI signaling QSIG, DSS1, Q.931 l SS7 signaling – MTP1, MTP2, MTP3 and ISUP l CAS R2,CAS DTMF l Custom signaling for special applications

9. Administration l Windows based GUI l CLI – Linux SSH console l Configuration in “real-time” – modifications happen as we speak

10. Applications l Gateway between VoIP and Mobile Networks l Gateway between TDM and Mobile Networks l Hybrid telephony SME solution

11. Enterprise telephony solution PBX ISDN-PRI PSTN carrier Mobile network Enterprise Office IN & OUT VOIP Provider Call to GSM Least Cost Routing IP Call Least Cost Routing

12. Gateway between VoIP and Mobile Networks l Up to 10 mobile modules l Each module can connect to GSM,CDMA2000 and UMTS networks l Call Back capabilities: classic and cross connect Mobile Network 10 channels VoIP network IP PBX EnterpriseService Provider WAN Least cost Routing Call to IP1 Call Back IP1 IP2 IP30

13. Gateway between PSTN and Mobile networks Mobile Networks 10 channels PSTN network ❙ Up to 10 mobile modules ❙ Each module can connect to GSM,CDMA2000 and UMTS networks ❙ Wide range of frequencies: 450MHz, 800MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz

14. sales@topex.ro www.topex.rohde-schwarz.com Thank you!