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VOXBONE ACHIEVES 100 PERCENT CALL RELIABILITY WITH FULLY DISTRIBUTED, REDUNDANT SIP TRUNK FEATURE

Ideally Suited for Distributed Call Centers and Other Businesses Requiring Fail-proof Backup Capabilities

LOS ANGELES, June 19, 2007 - Voxbone, a leading provider of international VoIP origination services to carriers, ITSPs, calling card operators, call centers and other businesses around the world, today released a new feature that transforms its standard SIP trunking into a distributed and fully redundant SIP trunk.

The new feature provides customers with 100 percent call reliability through backup capabilities in a highly cost-effective manner. Previously, Voxbone had enabled customers to configure load balancing on their SIP trunks, enabling them to share the load on different servers in a round robin fashion. The new feature adds a configurable backup SIP trunk on top of that.

According to Rodrigue Ullens, co-founder of Voxbone, “VoIP, in fact, can be more reliable then public switched telephone network (PSTN), if well configured. While achieving the same type of redundancy with PSTN is not impossible, it is very costly to implement and maintain.”

Ullens added, “Our redundant SIP trunk feature was the last missing piece to provide 100% resiliency for customers. When a customer activates this feature, our systems start monitoring its primary Uniform Resource Identifier (URI), which is configured by the customer. Whenever our system detects a failure, for example, because the server is down or there is a network problem in the datacenter, calls are automatically re-routed to the backup URI until the primary URI is live again.”

The new feature is particularly attractive to distributed call centers and other businesses in which 100 percent reliability is crucial. For example, a customer may have equipment in two datacenters, one on the East Coast and the other on the West Coast. The customer’s primary SIP trunk would connect to the first datacenter, while the backup SIP trunk would connect to its second datacenter. In the case of a failure on the primary SIP trunk, all calls would be re-routed to the backup SIP trunk, effectively preventing an outage.

With this new feature, every DID can be mapped to a backup URI in addition to a primary URI, and whenever Voxbone receives a call on a DID, its switches send the call to the currently active URI.

Voxbone leases international VoIP virtual phone numbers and worldwide origination services via VoIP to organizations in North and South America, Europe and Asia/Pacific regions. It delivers high-quality call origination and provides the global infrastructure that enables its customers to expand to international markets quickly and efficiently. Using local DID numbers also called virtual numbers from Voxbone, customers may receive inexpensive, locally dialed phone calls. Using standard VoIP hardware, customers utilize the Voxbone API or web portal for the configuration of the acquired DIDs and to choose to which IP appliance the calls are diverted.

About Voxbone (http://www.voxbone.com) Headquartered in Brussels, Belgium, Voxbone provides worldwide DID numbers and free phone numbers over a private intercontinental VoIP. The switchless architecture of the Voxbone network enables customers to realize the benefits of IP communications by rapidly deploying new services with local presence and simultaneously reducing costs.