Sherbrooke, QUEBEC, May 21, 2009 – Media5 Corporation, a leading developer of advanced VoIP products, technologies and services, today announced the successful completion of interoperability testing between pbxnsip’s award-winning SIP-based IP-PBX and the Media5-fone SIP client.

The interoperability gives iPhone application developers an assured, reliable, seamless solution that will eliminate the labor and expense requirements involved in testing and implementing PBX and SIP Client solutions.

"pbxnsip is working to bring the benefits of the powerful combination of our IP-PBX solution and the technologies of Media5 to the iPhone application developer’s world," said Kevin Moroz, COO at pbxnsip. "There are many looking for a robust, feature-rich softphone to be used with the pbxnsip offering. Now these developers have a softphone that is compliant with the pbxnsip solution and for the iPhone world.”

"Interoperability with pbxnsip’s SIP-based IP-PBX demonstrates Media5's flexibility and reliability in supporting leading-edge IP multimedia systems," said Samuel Guénette, General Manager of M5T. "As the market adoption for iPhone applications increases, developers are seeing real benefits in utilizing solutions that interop seamlessly."

About pbxnsip
pbxnsip makes SIP-based Private Branch Exchange (PBX) telephone systems. The Session Initiation Protocol (SIP) is used to talk to attached devices like telephones, PSTN gateways and SIP service providers. The pbxnsip PBX is used to put the components from different vendors together in an enterprise communication system. Customers benefit from a modern PBX feature set that includes mobility support, computer telephone integration, and vendor independency. pbxnsip also respects the security requirements of a business critical application. Customers may run the PBX on Microsoft Windows, Mac and Linux-based servers and on embedded appliances. pbxnsip Inc was incorporated in 2005 and is located in Andover, Massachusetts, USA and pbxnsip Europe Ltd was created in 2008 and is located in Leeds, United Kingdom.

About Media5 Corporation
Media5 Corporation has built upon the leading technologies of Mediatrix Telecom and M5T to develop advanced, secure, and survivable Voice over Internet Protocol (VoIP) products, technologies and services for Service Providers and Enterprise Networks. Media5 products and solutions are widely interoperable and have received commercial endorsement from some of the world’s leading manufacturers of telecommunications equipment as well as from large telecommunication carriers.

Powerful Expertise & Technology
Media5 will continue to offer the following industry leading brands of solutions:

• Mediatrix VoIP access devices and gateways, which are designed for the enterprise, SOHO, and Service Providers markets.
• M5T hardware and secure software technologies, which are aimed towards chipset manufacturers, equipment vendors, and service providers developing applications and products for real-time multimedia communications over IP.
• Media5Boss, an all-in-onesuite of solutions designed for security and survivability in multi-site, branch office environments.

Media5 has its corporate offices in the Sherbrooke area, in Canada, and regional offices in the United States, Europe and Middle East. For more information, please visit www.media5corp.com.

For more information, please contact:

Mike Spooner
Marketing Communications Manager
Media5 Corporation
Phone: + 1 819 829 8749 ext: 5210
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