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“Fixed Mobile Networks”
for Rural deployment
Coral Air NGX
Product is Registered Intellectual Property Rights of Coral Telecom Limited
www.coraltele.com
Innovative Product Offering for Rural Markets
 “Coral NGX” platform is a SIP based switching core, that is tested & tried in hundreds of
installations. New Generation Soft switch at the core facilitates duplicated / redundant /
distributed processing to maximize network uptime.
 “ Coral Air” is “ Coral NGX” switching platform that has MSC / BSC functionality
embedded on it. It is a switching platform seamlessly integrated with RAN (BSC - BTS &
CR). Ported on a standard robust SBC, to support GSM services
 Solution is “access agnostic” so it is independent of any connectivity available in the
village – PRI / IP / E1. It can also interface on E&M / Magneto / TWT / UHF & IP
 Low Power Consumption – Can be Powered by small Gen-sets / Solar Panels/ Jeep
Battery / Wind Power etc
 Geographically distant locations could be seamlessly connected over IP backhaul to
create a private network across multiple locations.
 Superpico SDR based Cellular BTS that can support a range of frequencies (800, 900,
1800, 1900 MHZ).
 Supports redundancy on critical backhaul connectivity and control cards
 Lightweight & Ruggedized
Network Diagram
IRIS NGN Platform
Coral Air - Network Diagram for Rural Deployment
C.R + S.D.R
Micro MSC + BSC + IP NGN
POTS
Super Pico Location #1
PSTN/
MSC
PRI/ E1
RTP
SIP
Coral
Super Pico Location # 2
IRIS NGX
A over IP
GSM Micro
MSC + BSC
Legacy PBX
Extensions
IP RAN Interfaces
Control/Signaling Interfaces
Super Pico Location # 3
RTP
Coral IRIS NGN with Inbuilt
Micro MSC + BSC + SDR
SIP Phone
Extensions
Socio Economic Differentiator – Rural Market

Entrepreneurship opportunities for local youth in setting up & owning small to medium size telecom
networks that are complete by themselves. They will have MSC / BSC and BTS capabilities locally
providing local switching while traffic outside the network can be backhauled for communication with
the world over various types of connectivity's available like PRI / E1 / IP trunk or V sat.

Supports Analog extensions, VoIP devices, SIP phones, GSM phones & key phones with equal ease
thereby ensuring an environment, where local entrepreneur can service a variety of customer
requirements. Land line phones can be provided for specific needs. SIP client loaded on computers
or on mobile phones will provide remote extensions outside the physical location as long as (long as)
subscriber is connected to the home location over IP connectivity.

Supports “in built” pre paid & budget based billing for “Self Sustaining small GSM networks” that
can be owned managed & operated by Local village youth.

Supports Least cost routing functions for differentiated tariff options.

Supports ADSL, Broadband service and also Wi-Fi carpeting for a cluster of villages that can be
provisioned for setting up of “Call centers & BPO operations” in the villages.

Entrepreneur will promote the usage with local applications to maximize billing. As they earn more,
they will start e-governance services & will set up “call centers”.

Village Infrastructure creation and local empowerment

Job creation for people who would work with entrepreneurs

Higher level of social inclusion : Village entrepreneurs will own networks and feeling of empowerment
and greater level of social inclusion in the money making business of ICT.
Public Private Network - Seamless Working
1. These rural networks will work as “private network”, but It is possible to
integrate these rural networks for seamlessness of call maturity by provisioning
of a separate numbering plan with a telecom operator operating in the nearby
area that has global roaming agreements. When subscriber is inside the village,
he is in “private network” and he roams in the rest of the world where the
subscriber is identified by a unique number that the partner Telco will provision
2. Seamless movement of Subscriber “on call” in the macro network into the
private network
3. Seamless movement of Intercom MS into macro network
4. Multiple adjacent villages can be seamlessly Interconnected.
Coral Air BTS - Advantages
1. Converged Unified Solution with GSM-Landline- IP
convergence. Standard product can be deployed on all
situations or can be adapted for all future requirements.
2. Quick deployment in disaster sites & easy setting up of
communication network.
3. Eliminates Use of separate handset for mobile
extension
4. All mobile phones become extensions of the same
system which enables undisturbed communication
through out irrespective of nature of connectivity tool
5. Creates LCR for cost reduction.
Salient Features
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.
Super-pico 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
HOUSING COMPLEXES
CORPORATES & ENTERPRISES
DISASTER SITES
Other Target Markets
DEFENCE & RAPID DEPLOYMENT SITES
HOSPITALS
10
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/ ISUB/ 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: [email protected]