SINGAPORE, March 20, 2012 /PRNewswire/ -- Avaya Inc.

TEL AVIV, Israel, June 11 /PRNewswire-FirstCall/ -- Zohar Zisapel announced today that he is extending the expiration date of his pending tender offer to purchase 5.0% of the outstanding ordinary shares of RADVISION Ltd.

TEL AVIV, Israel, May 31 /PRNewswire-FirstCall/ -- Zohar Zisapel announced today that he has increased the offer price in his pending tender offer to purchase 5.0% of the outstanding ordinary shares of RADVISION Ltd. (Nasdaq: RVSN) (currently, 971,394 RADVISION shares) from $6.30 per share to $7.70 per share, net to the seller in cash, less any required withholding taxes and without interest.

TEL AVIV, Israel, April 30 /PRNewswire-FirstCall/ -- Zohar Zisapel announced today that he is commencing today a tender offer to purchase 5.0% of the outstanding ordinary shares of RADVISION Ltd.

RADVISION(R) Ltd.