deltathree Selects Pontis to Offer Personalized Promotion Support for joip, Its Newly Formed Consumer Brand

LONDON, UK July 12 2007 – Pontis today announced that the Pontis Marketing Delivery Platform (MDP) has been selected by deltathree, Inc. (NASDAQ: DDDC), a leading provider of SIP-based Voice over Internet Protocol (VoIP) solutions for service providers and consumers worldwide, to provide personalized promotion support to joip, deltathree's newly formed consumer brand. joip powers the VoIP service of Panasonic’s new GLOBARANGE hybrid landline/VoIP phone.

GLOBARANGE phone owners automatically become part of the global joip community, where members can call each other around the world for free, and enjoy a wide variety of advanced features and services. For enhanced customer service, joip will present members with individualized offers through the Pontis MDP. joip enabled GLOBARANGE phones will be available this summer in the United States, Canada, Brazil, Mexico, Australia, Hong Kong, the United Kingdom, Ireland, Spain, Germany, Austria and Russia.

”We look forward to collaborating with Pontis on customizing our VoIP offering to better serve our customers and to grow our joip business worldwide,” stated Tomer Treves, deltathree’s Consumer Group Managing Director. “Not only will joip be able to adapt to local needs, but it will be able to provide further convenience and cost-savings with individualized offers. The Pontis MDP supports our strategy of continuing to enhance the end-user experience and value, while expanding the foundations of the global joip community.”

“We are pleased to be supporting joip, the exclusive VoIP service provider for Panasonic’s GLOBARANGE series of hybrid 2-line cordless phones,” said Michael Kerbis,” CEO of Pontis. “Pontis supports the rapid implementation of a variety of compelling real-time marketing programs that provide subscribers with the most relevant offers at the most effective time. Pontis will also enable joip to analyze the effectiveness of its offers and respond rapidly to the needs of the market.”

About joip
joip, the newly formed consumer brand of deltathree, Inc., powers the Voice over IP (VoIP) service of Panasonic's GLOBARANGE hybrid phone. With joip, GLOBARANGE users get the best of VoIP technology, with access to the world's premier network for free peer-to-peer calling and premium services. Bridging the divide between conventional methods and innovative inroads, joip is committed to giving customers an optimal quality phone experience with the advanced features of VoIP technology. For more information on joip, please visit www.joip.com.

About deltathree Ltd.
Founded in 1996, deltathree, Inc. (NASDAQ: DDDC) is a leading provider of integrated Voice over Internet Protocol (VoIP) telephony services, products, hosted solutions and infrastructure. deltathree offers high quality Internet telephony solutions that are viable and cost-effective alternatives to traditional telephone services. Supporting hundreds of thousands of active users around the world, deltathree serves customers through its two primary distribution channels: the Service Provider / Reseller channel and the direct-to-consumer channel. deltathree’s advanced solutions offer service providers and resellers a full spectrum of private label VoIP products and services, as well as a back-office suite of services. Utilizing advanced Session Initiation Protocol (SIP) technology, deltathree provides all the components to support a complete VoIP service deployment. deltathree’s Consumer Group consists of the award-winning iConnectHere direct-to-consumer offering and joip, the newly formed consumer brand that powers the VoIP service of Panasonic’s GLOBARANGE hybrid phone. For more information about deltathree, please visit: www.deltathree.com.

About Pontis
Pontis is the creator of the world’s first Marketing Delivery Platform™ that enables Mobile, TV, and VoIP communication service providers to target customers with personalized marketing offers on the fly.

Pontis is dedicated to empowering communication service providers to provide customers with the optimal product offering and purchasing experience, while dramatically lowering costs and shortening time to market. The Marketing Delivery Platform™ provides an end-to-end solution for marketers to engage their customers in real time, using the right offer and the right terms, at just the right time.

Giving communication service providers the ability to mix and match highly relevant offers based on real time user behaviour and triggers, significantly enhances all aspects of customer relationship management and genuinely impacts their ARPU, customer loyalty and lifetime value.
To find out more about Pontis visit www.pontis.com.

Media Contacts:
Paul Stallard / Kirsten Scott
éclat Marketing
Tel: 0118 989 5600
pontis@eclat.co.uk