By Michael Oleaga / m.oleaga@latinospost.com (staff@latinospost.com) | First Posted: Jun 20, 2013 05:17 PM EDT

Apple has another patent infringement trial to look for in regards to call forwarding.

Texas-based Bluebonnet Telecommunications served the latest lawsuit. Bluebonnet alleges the iPhone 5 and iPhone 4S smartphones of infringing their patent that covers a "method and apparatus for determining the telephony features assigned to a telephone," as stated in their 1996 patent.

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According to the lawsuit, "Apple induces end-user customers to use the accused smartphones, and specifically to use them in a manner that infringes the 511 patent. They do so by (1) providing instructions to their customers that explain how to use the features of the accused devices that are accused of infringement (specifically those features that allow call forwarding and the display of whether the feature is activated); and (2) by touting the accused features of the smartphone"

According to Apple Insider, Bluebonnet is seeking a permanent injunction enjoining Apple from specifically using patent 511 and financial compensation.

The case was filed at the U.S. District Court for the Eastern District of Texas as Civil Action No. 2:13-cv-00513.

To view the 1996 Bluebonnet patent, click here.

The lawsuit comes as Amazon and Apple failed to compromise on the term "app store" and will go to trial on Aug. 19. 

   Bluebonnet Telecommunications v. Apple