Private GSM/Mobile Network in Ships/ Islands/ Construction & Mining Sites Product is Registered Intellectual Property Rights of Coral Telecom Limited www.coraltele.com

Private GSM Network Private GSM networks with full feature functionality on GSM mobiles just like any PBX extensions. Cost effective & Rapid deployment of GSM services. Access Agnostic: Completely integrated with legacy connectivity's like E1 / PRI / E&M / Magneto / TWT / UHF / VHF & IP when the Location is in a far flung area. Supports Analog extensions, VoIP devices, SIP phones, GSM phones & key phones with equal ease thereby ensuring an environment with best of all the worlds. New Generation Soft switch at the core facilitates duplicated / redundant / distributed processing. Geographically distant locations could be seamlessly connected over IP backhaul to create a private network across multiple locations of an Mining/Constructions/Islands.

Network Diagram IRIS NGN Platform

Product Application

Product Application “Offshore Drilling Rigs” Communication over Private Links / V-Sat Disaster Management/ Rapid Deployment “In Building Solution” Spectrum Re-use

GSM SERVICES GSM SERVICES GSM SERVICES Product Application

Coral Air NGX - Advantages Converged Unified Solution with GSM-Landline- IP convergence. Standard product can be deployed on all situations or can be adapted for all future requirements. Quick deployment in disaster sites & easy setting up of communication network. Eliminates Use of separate handset for mobile extension All mobile phones become extensions of the same system which enables undisturbed communication through out irrespective of nature of connectivity tool Creates LCR for cost reduction. 7

The Seamless Network Soft switch with in-skin Mobile switching center (MSC) & base station controller (BSC). Versatile software defined radio (SDR) based Radio Access Network (RAN). Private HLR records. Superpico SDR based Cellular BTS that can support a range of frequencies 800, 900, 1800, 1900 MHz (700 MHZ and 2100 MHZ on road map) GSM support (GPRS & EDGE on roadmap). Interfaces MGCP / MAGACO / SIP / E1/ PRI /V5.2 / UHF / VHF / V-Sat Capacity 50 Trx

Other Target Markets DISASTER SITES CORPORATES & ENTERPRISES HOUSING COMPLEXES Other Target Markets DEFENCE & RAPID DEPLOYMENT SITES HOSPITALS SHIPS RURAL NETWORKS FACTORIES

Technical Specifications Sl. No. Parameter Specification 1 Frequency Bands 850 Mhz, 900 Mhz, 1800 Mhz, 1900 Mhz (700 Mhz and 2100 Mhz on road map) 2 Input Power 48 Volt DC or + 24 V DC. 30 Watts per Trx 3 Output RF Power 1 watt per carrier at antenna port 4 Backhaul IP over Ethernet or E1/ T1 5 Coral Air Interfaces Antenna ports: 50 Ohm N female GSM – BTS to BSC: GSM A-bis over IP 6 Supported Standards GSM (3GPP Release 99) (GPRS/ EDGE on roadmap) 7 Receiver Sensitivity (W/o diversity) GSM: -108 dBm/ 8 Capacity IRIS NGN MSC Supports 50 Trx 9 Operating Temperature -40 to + 50 degrees C 10 Storage Temperature -40 to + 85 degrees C 11 Operating Relative Humidity 5 to 95 % non-condensing 12 Regulatory Designed to meet 3 GPP & IP66 13 Coral Air IRIS NGN Interfaces supported E1/ PRI/ E&M/ Magneto/ IP/ SIP/ MGCP/ MAGACO/ I-SUB/ Quad Cables/ CNR

THANK YOU…. © Copyright 2011 CORAL TELECOM LIMITED The information provided in this document is not intended for use by or distribution to any person in any jurisdiction where such use or distribution would be contrary to the law or regulation or would subject Coral Telecom Limited or its third party agents to any regulatory requirements within such jurisdiction. You are required to satisfy yourself that you are not subject to any local requirement which restricts or prohibits you from using or distributing the information provided in this document. For more details visit: www.coraltele.com or Email: mahapatra@coraltele.com