Levi & Korsinsky is investigating the Board of Directors of Tekelec (“Tekelec” or the “Company”) (NASDAQ: TKLC) for possible breaches of fiduciary duty and other violations of state law in connection with the sale of the Company to a consortium led by Siris Capital Group, LLC. Under the terms of the transaction, Tekelec shareholders will receive $11.00 for each share of Tekelec stock they own. The transaction has a total approximate value of $780 million. Click here to learn how to join the action: http://www.zlk.com/tekelec-tklc, or call: 877-363-5972. The investigation concerns whether the Tekelec Board of Directors breached their fiduciary duties to Tekelec stockholders by failing to adequately shop the Company before entering into this transaction and whether Siris Capital Group, LLC is underpaying for Tekelec shares, thus unlawfully harming Tekelec stockholders. In particular, at least one analyst set a price target of $16.00 per Tekelec share and Tekelec shares traded as high as $12.10 as recently as February 2011. If you own common stock in Tekelec and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at email@example.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or http://www.zlk.com. Levi & Korsinsky is a national firm with offices in New York, California and Washington D.C. The firm has extensive expertise in prosecuting investor securities litigation involving financial fraud and represents investors throughout the nation, concentrating its practice in securities and shareholder litigation. The attorneys at Levi & Korsinsky have been appointed by numerous courts throughout the country to serve as lead counsel on behalf of shareholders in major litigations involving mergers and acquisitions. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.