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VoIP Switch - Voip-Pal.Com Integrates Lawful Intercept Patent Pending Technology into VoIP Switch Platform

November 19, 2012


Voip-Pal.Com, a provider of VoIP services to residential and business customers, has now integrated its lawful intercept patent pending technology into its VoIP switch platform.

The patent pending technology is the result of Voip-Pal's acquisition of Digifonica International Gibraltar. The application for the patent was filed back on November 29, 2007 and is called

“Intercepting Voice Over IP Communications and other Data Transmissions.”

Voip-Pal’s technology is similar to Microsoft (News - Alert) Corporation's "Legal Intercept" Patent Application, but its filing precedes that of Microsoft. Microsoft filed the patent application on December 23, 2009, two years after Voip-Pal/Digifonica's Lawful Intercept Patent Application date.

The Voip-Pal/Digifonica's Lawful Intercept technology explains an efficient way of intercepting voice over the Internet.  This revolutionary technology enables law agencies to perform scheduled and live intercepts (wire-taps) on digital voice telephone conversations. The solution has tested compliant at several relevant agencies in the U.K., and complies with ETSI (News - Alert) (European Telecommunications Standards Institute) and UK NHIS (National Handover Interface Standard) standards. Compliance with these rigorous mandates ensures that the technology can be adopted by all European Union member countries with ease.

Additionally, the technology finds relevance especially among European Union member countries that desire to terminate network providers who do not offer lawful intercept solutions. It will also find rapid adoption in India, a country that has recently made it mandatory to service providers to offer lawful intercept solution.

Voip-Pal/Digifonica's Lawful Intercept patent application has successfully completed the Patent Cooperation Treaty (PCT) International Phase.  After this, the patent application must pass through the National Phase and is expected to be examined by EU member countries in addition to the United States and Canada.

"Federal law enforcement agencies have expressed frustration in trying to track and record criminal and terrorist internet conversations," said Dennis Chang, president of Voip-Pal, in a statement. "Our Lawful Intercept technology would allow government agencies to 'silently record' VOIP communications.

“CALEA (Communications Assistance for Law Enforcement Act) requires telecommunications carriers and makers of communications equipment to enable their equipment so it can be used for surveillance purposes by federal law enforcement agencies,” Chang added.

Want to learn more about SIP Trunking and how to integrate it into your current UC strategy? Don’t miss the SIP Trunking- UC Seminars in South San Francisco on November 27, 2012.

Edited by Jamie Epstein

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Intro to Basic System Features

Accounts Overview
An account is a logical entity usually representing some logical or physical end point in the VoIP network.

Customers are logical entities in the system for which invoices will be generated. They may be termination partners, resellers of a service, or a virtual .

Tariffs and Rates
Tariff is logical entity in the system, which represents rules for rating and billing calls made by Account or Customer to which this Tariff has been assigned.

Balance and Credit Limit
In addition to Tariff, each Customer or Account, except Root Customer, has those two basic rating/billing parameters associated with it – Balance and Credit Limit.

Intro to Advanced System Features

On-Net Routing
On-Net Routing is the feature that allows placing calls from one account in the system to another account in the system.

Ability to Charging On-Net (Account-to-Account) Calls
In some cases it might be necessary to charge either caller or callee or both for the on-net call based on per-minute rate.

Automatic Database Backup
The Softswitch includes the system which allows performing automatic backup of the database periodically.

Ability to Get exchange rate using external script
Exchange rates can be set using external custom script.

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