1. Voxell ISDN

2. VOXELL ISDN Fixed-cellular 3G terminal for voice that can connect one PBX with ISDN-BRI ports or an ISDN telephone to 3G-UMTS networks.

3. TOPEX VOXELL ISDN 3G Terminal for voice that can connect one PBX with ISDN-BRI ports or an ISDN telephone to 3G-UMTS networks. ISDN version: TE/NT for digital PBX (1 or 2 voice channels)

4. Standard call to UMTS HSDPA 1 PBX trunk Analogue phone Analogue phone ISDN PBX PSTN HSDPA 2 Call to GSM Call to PSTN 0.20 cents Interconnection Tariff – 0.15 cents traditional, a mobile call is routed through the PBX to the PSTN network and then to the mobile network charges:- PSTN call - Interconnection tariff using a SIM card with 1000 included minutes, the monthly savings can reach 200 EUR

5. UMTS call using Voxell ISDN PSTN PBX trunk Least Cost Routing Call to GSM HSDPA 1 HSDPA 2 Group call Voxell ISDN BRI ISDN trunk by installing an interface, calls towards mobile networks bypass the PSTN network calls to mobiles become calls into the company’s group of mobiles charges: - one tariff negotiated with the mobile operator BRI ISDN trunk In & Out

6. Applications Fixed line substitution for voice PBX connection Using the automatic routing of the digital PBX, any call with a mobile network destination will be routed through Voxell ISDN.

7. Benefits Using the automatic routing of the digital PBX, any call with a mobile network destination will be routed through Voxell ISDN. Fixed calls to own mobile fleet become group calls Using external antenna offers excellent voice signal quality Small investment, fast savings Easy and simple install Friendly to use, easy maintenance

8. sales@topex.ro www.topex.ro Thank you!