7. Investments

9 Months Ended

Sep. 30, 2012

Notes to Financial Statements

Investments

During the quarter ended September 30, 2007 the Company purchased all the Series A Preferred Shares (the Series A Shares) of Unity Business Networks, LLC (Unity) for cash of $1.2 million, including transaction costs. The Series A Shares were convertible at any time at the Company’s option into 15% of Unity’s common stock on a fully-diluted basis. In addition, the Company had an option to purchase all the outstanding common stock of Unity based on a specified multiple of Unity’s 2008 revenues, as defined.

On September 30, 2009 the Company received a cash payment of $766,950 in connection with Telesphere Networks’ purchase of the VoIP services business of Unity, including Zoom’s preferred stock investment described above. The transaction called for additional periodic payments totaling $43,050 over 24 months beginning in October 2009 and a final payment of $150,000 on September 30, 2011, or $960,000 in total. As of December 31, 2011, all payments had been received with regard to this transaction.