ASPECT COMMUNICATIONS CORPORATION ANNOUNCES SHAREHOLDER APPROVAL OF ACQUISITION BY CONCERTO SOFTWARE INC.

San Jose, CA, September 22, 2005—Aspect Communications Corporation (Nasdaq: ASPT), a leading provider of enterprise customer contact solutions, announced today that at its special meeting of shareholders held Sept. 21, 2005, Aspect’s shareholders approved the terms and conditions of the proposed merger of Aspect with a wholly-owned subsidiary of Concerto Software Inc.

On July 5, 2005, Concerto and Aspect announced they had entered into an agreement for Concerto to acquire Aspect for $11.60 per share of Aspect Common Stock and an equivalent amount per share of Aspect Series B Convertible Preferred Stock on an as-converted basis. Consummation of the merger remains subject to other customary closing conditions and is currently expected to be completed imminently.

About Aspect Communications

Aspect Communications Corporation is a leading provider of contact center solutions and services that enable businesses to manage and optimize customer communications. Aspect's global customer base includes more than two-thirds of the Fortune 50 and leading corporations in a range of industries, including transportation, financial services, insurance, telecommunications, retail and outsourcing, as well as large government agencies. The company's leadership is based on two decades of expertise. Aspect is headquartered in San Jose, Calif., with offices in countries around the world.