1. By: Satya Mekala Multi GSM network Solution for Africa

2. Africa Today Only about 33% Africa covered with telephony Due to the remoteness and lack of ROI traditional operators are ignoring the rural markets 80% of the operator revenue still comes from voice calls Most African governments have plans and Universal Service Funds to develop rural telephony

3. Empowering Rural Africa Mobile Telephone Connection: Communication with the rest of the world Communication Center: Make telephone calls Access the Information Cyber Cafe + Internet Hotspot Money transfer Send and Receive Economical and Social development

4. The Opportunity Build rural GSM network at the lowest possible price that can be shared by mobile operators to offer their services Offer GSM backhaul service, (Infrastrcuture as a service) to th e MNOs within the country Offer WiFi, Cyber cafe and VOIP services in the village to ge nerate extra revenues. (Option) Build it into a profitable business

5. Stake Holders World Telecom L abs: Supplier of mi cro GSM + billing s olutions Rural Telephony Operator: Builds v illage micro GSM n etworks Satellite Provider: Supplier of the sat ellite modem plus t he Bandwidth Mobile Network O perator: Uses the Network to offer se rvices to villagers

6. Vivada Multi GSM Net work Network Within the village MNO MSC Village Central Office ISDN / SS7 / Camel + MAP

7. Call scenario The network is offered as a roaming network that can be shared by other operators. Subscriber in the village is registered on the local GSM Network Based on their IMSI number, Vivada identifies parent operator and transfers the call When subscriber makes a call WTL central switch will query his balance from MNO MSC via Camel For on-net calls queries the parent operator for balance and terminate the call within the network Off-net calls, will be terminated by the parent Operator’s network When the call ends the WTL central switch will inform Operators network for balance update and billing.

8. Advantages With WTL equipment on both sides means low bandwidth consumption 256Kbps per 30 simultaneous calls Low Capex per Village Low Opex (Low power and bandwidth consumption) Can expand one village at any time Easy install (can be up and running within a day) Telephony and SMS service can be launched in a remote village in a day Opportunity to get Government subsidies and funding Empowering villagers to grow economically, will in turn increase ARPU Opportunity to offer WiFi, Cyber café and VOIP services for additional revenues

9. Network Multi village Village 1 Village 2 Village 3 Central Offic e

10. Capex starts: €20,000 Vivada multi GSM BOM Village + central office Centralized control on every Village Multiple operators supported Bandwidth savings increase revenues 1000s of subscribers supported Cyber Café revenues are bonus SMS supported (Option) Roaming supported SS7 / Camel / MAP supported Central Office BOM Village BOM Capex starts at: 56,500

11. Revenue Streams The project generates multiple revenue streams GSM infrastructure service revenueVOIP revenue (Option)Cyber Cafe revenue (Option)Internet Hot Spot revenue (Option)Money transfer revenue (Option)

12. About us World Telecom Labs is a Belgium-based company which has long been a leader in the provision of VoIP switches, Pre-Paid applications and signalling gateways for emerging carriers and telecom service oper ators. WTL has an installed base of 100,000s of voice ports with service providers worldwide switching billions of minutes of VoIP traffic using WTL equipment. For more information about WTL and its product s, please visit www.wtl.be or email sales@wtl.be.www.wtl.besales@wtl.be World Telecom Labs Diegemstraat 42 1930, Zaventem BELGIUM Tel: +32 2 722 7200 Fax: +32 2 725 6006