1. tele-lynx Integrated Solutions Platform Overview Service Deployment VoIP VoATM and Compression Transmission Direct Routes Turnkey Solutions

2. tele-lynx SS7, Q.931, ADMCDR ISDN / CSMA-CD CBR / VBR / UBR Cost Effective Switching Architecture IADINX INX Point of Presence

3. tele-lynx AAL1 AAL5 AAL2 N x 64 Kbit/s to STM-1 ATM with IP and ATM Header Compression ‘Thin Layer’ ATM Transmission Intelligent Network eXchange Q.931 Voice, Fax, Data TDM VoIP / IPVoATM

4. tele-lynx Why ‘Thin Layer’ ATM Transmission? Intelligent Network eXchange Guarantees Quality of Service Support for ISDN traffic in the local loop Efficient transport for - Voice (IP, H.323, G.729a G.723.1) - Fax (T.30, T.38 / T.39) - Modem (V.33, V.90) - Data (IP, Frame Relay, X.25) - Video (IP, H.320, ISDN, MPEG)

5. tele-lynx IADINX Cost Effective Enhanced Services Unified Messaging - Voice  Text - Text  Text - Voice Mail - E Mail - Fax - SMS SS#7 Switch Integral ADM Card Platform Fax Store and forward Voice VPN Audio Bridging Voice Mail Call Back Audiotext Intelligent Network eXchange

6. tele-lynx ‘Thin Layer’ ATM Transmission ATM UNI 3.1 4.0 CBR, VBR and UBR AAL1 carriage of ISDN traffic VBR-RT / UBR for voice modem and fax (VoIP) ‘Econocell’ ATM header compression LZ STAC / VJHC Interfaces at N x 64 Kbit/s, E1, E2, E3 and STM-1 SDH self healing at 155 Mbit/s Intelligent Network eXchange IADINX H.323 Version 2 Gatekeeper server G.723.1, G.729a algorithms AAL2 Toll quality voice 24:1 Echo cancellation 32 ms ETL Silence suppression Real time fax bypass @ 14.4 Kbit/s, T.30 T.38, T.39 MPLS

7. tele-lynx Gate Keeper OLO MS Net Meeting Enhanced VoIP Gateway www NSP H.323 V2 Gateway Card Platform IVR Audio Bridging Incumbent PTT Intelligent Network eXchange IAD INX

8. tele-lynx Point to Point (International Route) Re-file Wholesale switch N x E1 ISDN, CAS or SS7 PSTN ATM Satellite Frame Relay Fibre ISDN IP A flexible choice Header Compression for extra efficiency Low delays for enhanced quality Voice and data services Intelligent Network eXchange IAD INX IAD INX

9. tele-lynx Turnkey solutions Incumbent PTT Single Line Multi-Line Basic Rate Primary Rate Meter Pulsing Diallers Transmission Echo cancellation Voice / Fax / Modem and ISDN services WAN IP / ATM CDR Billing Reports SQL Voice over IP Gate Keeper H.323 V2 G.729a G.723.1 Internet IN Switching SS7 Direct Access Enhanced Services Intelligent Network eXchange IAD INX IAD INX IAD INX IAD INX