enterpriseVoice SolutionsMeet the full range of your voice needs with our fl exible, global solutions.

www.tatacommunications.com

© 2008 Tata Communications Ltd. All Rights Reserved. 4P_TC_enterprise_voice_solutions_ver1.0_july-2008

IndiaTata Communications LVSB Kashinath Dhuru Marg Prabhadevi Mumbai 400 028Tel +91 22 6657 8765Fax +91 22 6639 5162

AsiaTata Communications 5 Shenton Way#34 – 10 UIC BuildingSingapore 068808Tel +65 6551 3600Fax +65 6423 0315

Tata Communications 2402 Bank of America Tower12 Harcourt RoadCentral, Hong KongTel +852 3693 8888Fax +852 3690 2022

AustraliaTata Communications King Street WharfSuite 503, 35 Lime StreetSydney NSW 2000 AustraliaTel +61 2 9299 2014Fax +61 2 9299 2019

North AmericaTata Communications 2355 Dulles Corner Blvd 7th fl oorHerndon, VA 20171, USATel +1 703 547 5900Fax +1 703 547 6555 Tata Communications 90 Matawan Rd – 3rd FloorMatawan, NJ 07747, USATel +1 732 888 6700Fax +1 732 888 6809

Tata Communications 1555 Rue Carrie-DerickMontréal (Québec)Canada, H3C 6W2Tel +1 514 868 7272Fax +1 514 868 7234

EuropeTata Communications Exchange Tower, Suite 7.032 Harbour Exchange SquareLondon, E14 9GE, EnglandTel +44 20 7519 4610Fax +44 20 7519 4609

Tata Communications 131 Avenue Charles de Gaulle92200 Neuilly sur SeineFranceTel +33 1 41 43 4200Fax +33 1 41 43 4200

Tata Communications Avenida de Europa 4, Bajo AParque Empresarial “La Moraleja”28108 Alcobendas Madrid, SpainTel +34 916 57 48 90Fax +34 916 62 06 79

Middle East & North AfricaTata Communications Hamdan Street, City Center BuildingBlock – A, 2nd Floor, Offi ce # 204P.O. Box 41660Abu Dhabi, United Arab EmiratesTel +971 2 626 6223Fax +971 2 627 2624

Tata Communications, a member of the $62.5 billion Tata Group, is a leading global provider of a new world of communications. The emerging markets communications leader leverages its advanced solutions capabilities and domain expertise across its global and pan-India network to deliver managed solutions to multi-national and Indian enterprises, service providers and Indian consumers. Tata Communications’ range of services include transmission, IP, converged voice, mobility, managed network connectivity, hosting and storage, managed security, managed collaboration and business transformation for global enterprises and service providers, as well as Internet, retail broadband and content services for Indian consumers. The Tata Global Network encompasses one of the most advanced and largest submarine cable networks, a Tier-1 IP network,

with connectivity to more than 200 countries across 300 Pops, and more than 1 million square feet of data center and co-location facilities. Tata Communications’ unique emerging market depth and breadth of reach includes a national fi ber backbone network and access to network in over 60 cities and 125 Pops in India, strategic investments in South African converged services operator, Neotel, Sri Lanka and Nepal and, subject to fulfi llment of conditions precedent, a 50% ownership in China Enterprise Communications (CEC) providing full country VPN coverage in China. Servicing customers from its offi ces in over 80 cities in 40 countries, Tata Communications is the number one global international wholesale voice operator and number one provider of international long distance, enterprise data and Internet services in India, the Company was named

“Best Wholesale Carrier” at the World Communications Awards in 2006, “Best Pan-Asian Wholesale Provider” at the 2006 and 2007 Capacity Magazine Global Wholesale Telecommunications Awards and was awarded “Best Progress in Emerging Markets” at the 2008 Mobile Communication Awards. Tata Communications Limited is listed on the Bombay Stock Exchange and the National Stock Exchange of India and its ADRs are listed on the New York Stock Exchange. (NYSE: TCL) www.tatacommunications.com

International Voice Service

_ Effi cient call completion and setup _ High availability and high voice quality_ High availability and high voice quality_ Transparent CLI delivery_ Seamless PSTN application support (fax)_ Fast, easy and effective commercial setup and technical provisioning

Enterprise Calling Card

_ No PIN or access codes to enter_ Easy Auto-Recharge_ 24x7 customer service_ Superior voice quality_ Transparent fee structure with consolidated billing_ Post-paid service

Suite of Access Services

_ Reaches more than 105 countries_ High retail call quality _ Short end-to-end provisioning lead time_ No change required for your existing toll free numbers

Local Number Service

_ City-specifi c numbers accessible from worldwide locations_ Short provisioning lead time_ No payphone and mobile surcharges

Enterprise Voice SolutionsEmpower seamless global communication

Comprehensive, Customizable Solutions

Tata Communications offers a combination of complementary services to meet the full range of your enterprise voice needs, including conferencing, call center and business support applications.

The Largest TDM-VoIP Hybrid Network

Our network carries billions of minutes for enterprises as well as mobile, broadband and traditional carriers. Our extensive coverage and expertise enhance your connectivity around the world.

Next-Generation Technology

Benefi t from our VoIP heritage and our Next Generation Network. We have the assets, vision and experience to offer solutions that evolve so you can seamlessly leverage technology and innovation trends.

Our suite of services work together to power your full range of voice applications.

International Voice Service

Our high-quality, international outbound calling service gives you a single solution to reach everywhere you call. We offer competitive international termination rates, with the option to connect through VoIP or TDM.

Enterprise Calling Card

Our Enterprise Calling Card enables businesses to offer cost-effective, reliable communications to employees traveling on business or stationed abroad.

With crystal-clear voice quality, 24x7 dedicated customer service and competitive rates to over 240 countries worldwide, Enterprise Calling Card is the best way to cost-effectively keep your employees connected.

Local Number Service

Meet your needs for a local presence in multiple areas with our Local Number Service. We offer cost-effective local access for your customers and employees. Look like a local player while calls are delivered to your platform through Tata Communications’ Global Voice Network.

Suite of Access Services

International Toll-Free Service (ITFS)

ITFS enables you to receive toll-free calls from payphones, landlines or mobile phones from more than 90 countries.

Universal International Free Phone Number (UIFN)

Our single toll-free number service provides a UIFN that spans more than 45 countries. Simplify your marketing efforts by using a single number across multiple countries.

Fast Track Toll-Free Solutions

Our International Toll-Free Service with Service Access Codes (SAC) is designed for companies looking for a global solution that rolls out quickly. Service Access Codes quickly identify traffi c originating from more than 75 countries and route it to your equipment.

Extensive coverage and expertise to enhance your connectivity