Valiant Communications Limited Telecom Transmission Solutions Company Presentation INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi - 110015, India Phone: +91-11 4105 5601, 91-11 4105 5602 Fax: +91-11 4105 5604, 91-11 2543 4300 E-mail: getinfo@valiantcom.com Website: http://www.valiantcom.com U.S.A. Valcomm Technologies Inc. 4000 Ponce de Leon, Suite 470 Coral Gables, FL 33146 United States of America E-mail: us@valiantcom.com Website: http://www.valiantcom.com U.K. Valiant Communications (UK) Ltd 1, Acton Hill Mews, 310-328 Uxbridge Road, London W3 9QN, United Kingdom E-mail: gb@valiantcom.com Website: http://www.valiantcom.com Updated : March, 2007

Manufactures Telecom Transmission Solutions Valiant Communications Limited Manufactures Telecom Transmission Solutions Integrating voice, data and IP networks Fast Paced New Product Development Strategy Wide range of telecom solutions Exports to over 90 Countries…..

Reference Customers Cisco Systems Nortel Networks NEC Valiant Communications Limited Reference Customers Cisco Systems Nortel Networks NEC Lucent Technologies AVAYA ERICSSON Etisalat (UAE) CBS News Sprint Nokia Marconi Lockheed Martin Intel ADTRAN ASCOM Sri Lanka Airport Authority Qatar Gas RAS Gas

Telecom Transmission Solutions Valiant Communications Limited Telecom Transmission Solutions Digital Access Cross Connects - E1/T1, E3, DS3,10/100BaseT Ethernet Groomers for Hi-Z Non-Intrusive Hi-Impedance Monitoring - E1, T1, STM-1 Echo Cancellers & Voice Quality Enhancement Solutions - E1, T1, DS3 and STM-1 STM-1, STM-4 and STM-16 ADM SDH Multiplexers E1 Drop-Insert (Add-Drop) Voice and Data Multiplexers Ethernet Converters: E1, T1, E3, DS3, STM-1 (Ethernet over STM-1) E1 / T1 TDM over IP E1 PRI ISDN (Euro ISDN) Q.931 Multiplexers E1 Channel Banks E2 (4E1), 2/34 Mbps PDH Multiplexer, 34Mbps OLTE 1+1 APS (Automatic Protection Switching) Remote Site Monitoring Equipment

Digital Access Cross Connects Valiant Communications Limited Digital Access Cross Connects E1, T1, E3, DS3, 10/100BaseT Ethernet DACS 16 Port DACS 64 Port DACS Groomers (Hi-Z Non-Intrusive Hi-Impedance Monitoring) for billing, SS7 signalling monitoring, line tapping and fraud management on E1, T1 and STM-1 circuits 16 Port Hi-Z Monitoring 32 Port Hi-Z Monitoring 64 Port Plus Hi-Z Monitoring

Echo Cancellers and Voice Quality Enhancement Solutions Valiant Communications Limited Echo Cancellers and Voice Quality Enhancement Solutions E1 and T1 – 1U, 19 inch with telnet E1 and T1 – 19 inch, 3U high - 10 EC per Chassis E1 and T1 – QUAD High Density - 32 EC per Chassis DS3 Echo Cancellers with VQE STM-1 Echo Cancellers and Voice Quality Enhancement solutions APS (1+1) Automatic Protection Switching E1 16 Port APS (1+1) T1 16 Port APS (1+1) STM SDH Multiplexers

Multiplexers & Channel Banks Valiant Communications Limited Ethernet Converters Ethernet over E1 (1E1, 4E1, 8E1, 16E1) - Electrical and Optical E1 over Ethernet (TDMoIP) Ethernet over E3 Ethernet over DS3 Ethernet over STM-1 E1/T1 Data Converters Multiplexers & Channel Banks STM-1, STM-4, STM-16 SDH Add-Drop Multiplexers E1 Voice-Data Drop-Insert Multiplexers E1 PRI ISDN Q.931 Multiplexers E3, 2/34 PDH Multiplexers E1 Channel Banks With Answer Supervision E1 Channel Banks With VAD (Voice Activity Detection) E1 to V.35, V.36, RS530, Ethernet

E1 Drop-Insert (Add-Drop) Voice And Data Multiplexers Valiant Communications Limited E1 Drop-Insert (Add-Drop) Voice And Data Multiplexers Voice Interfaces FXO FXS E&M (2 Wire and 4 Wire) FXS-FXS (Hot-line) Data Interfaces RS232 G.703 @ 64 Kbps co-directional IDSL @ 128 Kbps V.35, n X 64 Kbps V.36, n X 64 Kbps X.21, n X 64 Kbps RS530, n X 64 Kbps 10BaseT - Ethernet Bridge 10BaseT - Router In-Band Management

STM-1, STM-4 and STM-16 Add-Drop Multiplexers Valiant Communications Limited STM-1, STM-4 and STM-16 Add-Drop Multiplexers E1 Interface T1 Interface E3 Interface DS3 Interface STM-1e (STM-1 electrical) STM-1o (STM-1 optical) E4 (140Mbps PDH) 8 x 10/100BaseT Ethernet (bridge only) Gigabit Ethernet (GigE)

Analog Intelligent Channel Banks Valiant Communications Limited Analog Intelligent Channel Banks Intelligent E1 Channel Banks Intelligent E1 Channel Banks with Voice Activity Detection Intelligent E1 Channel Banks with Answer Supervision

E1/T1 Voice Compression (DCME) Valiant Communications Limited E1/T1 Voice Compression (DCME) (Digital Circuit Multiplication Equipment) E1, Voice Compression DCME Applications include long distance telephony, cellular, pre-paid calling services, corporate, scalable call-center operators, rural applications. T1, Voice Compression DCME Applications include long distance telephony, cellular, pre-paid calling services, corporate, scalable call-center operators, rural applications. Thin Route Analog DCME Scalable call centers, telcos, voice over point-to-point satellite data links, dedicated data channels, rural, oil & mining IP networks.

E2 (4E1), 2/34 Mbps PDH Multiplexer, 34 Mbps OLTE Valiant Communications Limited E2 (4E1), 2/34 Mbps PDH Multiplexer, 34 Mbps OLTE A) E2 (4E1) E2 (4E1) with Telnet E1 75/120 Ohms option available RJ-45 Connectors B) E3 (16E1), 2/34Mbps PDH Multiplexer E3 PDH Multiplexer with Telnet

Remote Site Monitoring Equipment Valiant Communications Limited Remote Site Monitoring Equipment Used to monitor, control and manage remote sites from a central monitoring location over dedicated serial data (RS232) links or over the Internet (TCP/IP protocol Equipment Alarm(s) Relay Open/Relay Close (User Configurable Up to 32 Alarm Inputs per Site/Location Ideal for SCADA applications, power distribution lines, oil pipe lines, gas and water pipe lines Monitoring and Managing Remote (unmanned) Cellular Sites Managing and Monitoring Remote Radio Relay (unmanned) sites Managing and Monitoring Remote DLC or RSU (unmanned) telecom sites Security and Surveillance

Equipment Alarm(s) Relay Open/Relay Close (User Configurable) Valiant Communications Limited Remote Site Alarms Equipment Alarm(s) Relay Open/Relay Close (User Configurable) Up to 32 Alarm Inputs per Site/Location Intruder Alarm Fire Alarm Smoke Alarm Flooding Alarm AC Mains Power Failure Alarm etc.

Thank you for your attention Valiant Communications Limited Thank you for your attention For more details visit us at our Website at http://www.valiantcom.com INDIA Valiant Communications Limited 71/1, Shivaji Marg, New Delhi - 110015, India Phone: +91-11 4105 5601, 91-11 4105 5602 Fax: +91-11 4105 5604, 91-11 2543 4300 E-mail: getinfo@valiantcom.com Website: http://www.valiantcom.com U.S.A. Valcomm Technologies Inc. 4000 Ponce de Leon, Suite 470 Coral Gables, FL 33146 United States of America E-mail: us@valiantcom.com Website: http://www.valiantcom.com U.K. Valiant Communications (UK) Ltd 1, Acton Hill Mews, 310-328 Uxbridge Road, London W3 9QN, United Kingdom E-mail: gb@valiantcom.com Website: http://www.valiantcom.com