VSNL Deploys Aperto Networks PacketWAVE Gear in National Rollout Across India   Milpitas, Calif. and Mumbai,

India, (March 17, 2006) – Aperto Networks, developer of the world’s most advanced WiMAX base stations and subscriber units, and Videsh Sanchar Nigam Limited (VSNL), India’s leading telecommunications service provider, announced today that VSNL has completed deployment of Aperto’s PacketWAVE™ multi-service broadband wireless systems in over 65 cities across India. This is part of an initial deployment phase with the goal of growing the network to cover over 200 cities within twelve months.  

Aperto’s PacketWAVE™ family of base stations and subscriber units are a part of a country-wide network that enables high-speed wireless voice and data services for a wide variety of end users throughout India. Some examples of corporate end users benefiting from the broadband services delivered over this powerful network include Tata Motors, Hyundai Auto and Amadeus.  

“VSNL is a strong believer in WiMAX technology. We have worked with Aperto on our existing wireless initiatives and are looking forward to extending our solutions with Aperto to include WiMAX” said Mr. Alin Jayant, senior vice president of implementation and planning for VSNL. “Aperto is certainly among the leaders in WiMAX and has strong networking functionalities and proven Quality of Service (QoS) features.”  

Aperto has been working closely with VSNL since 2004 and has been involved in all phases of network design and deployment. VSNL has deployed hundreds of sectors of the PacketWAVE™ series of products in the 3.3GHz – 3.4GHz band.  

“We are delighted to be a partner to VSNL, a global leader in broadband services. We applaud VSNL’s vision and first mover advantage in deploying and providing high bandwidth and scalable connectivity throughout the Indian subcontinent using our products now, as well as our WiMAX Forum Certified™ products going forward.” said Reza Ahy, Chairman and CEO of Aperto Networks.  

“WiMAX technology and Aperto’s carrier grade WiMAX Forum Certified™ solutions are a perfect fit for the communications needs of the Indian subcontinent.” said Manish Gupta, vice president of marketing & alliances of Aperto Networks.  

About VSNL

Videsh Sanchar Nigam Limited (VSNL), a part of the Tata Group, is a leading international telecommunications company. VSNL has, with the acquisition of Teleglobe, become one of the world’s largest carriers of international voice complementing its emergence as the largest provider of submarine cable bandwidth. VSNL has a global presence including operations in USA, Canada, UK, South Africa, Singapore, Sri Lanka and India making it the first Indian truly global telecommunications company. Its range of service offerings include wholesale voice, private leased circuits, IP MPLS VPN, Internet access, hosting, mobile signaling and several other IP services. The company is now poised to offer managed data services and deliver end-to-end telecommunications solutions to carriers and enterprises globally. VSNL, a pioneer in offering Internet services to individual customers now offers a full slew of retail products in India like high-speed broadband, dial-up Internet, Wi-FI, net telephony and calling cards under the Tata Indicom brand name, and continues to be one of the leading retail Internet players in India. VSNL is listed on the major stock exchanges in India and also has its ADRs listed on the New York Stock Exchange. (www.vsnl.in

About Aperto Networks

Aperto Networks helps leading service providers deliver affordable wireless voice and broadband profitably by building the world’s most advanced WiMAX base stations and subscriber units. Aperto fundamentally changes the economics of delivering voice and broadband services through IP-rich, point-to-point and point-to-multipoint networks, allowing carriers to offer a wider variety of services to more customers using less equipment. Its carrier-class WiMAX technology offers industry-leading subscriber density, quality of service, ease of use and reliability. Aperto is a founding board member of the WiMAX Forum as well as a founder and lead contributor to IEEE 802.16 and the ETSI-BRAN standards. Serving more than 200 customers in 65 countries, Aperto Networks is based in Milpitas, California. For more information on Aperto Networks, go to www.apertonet.com.