Avaya vs Siemens

Avaya Inc. is an American multinational technology company headquartered in Santa Clara, California that provides multi-channel business communication solutions for customer & team engagement. Avaya currently services more than 95% of the Fortune 500 organizations- Asia Pacific; Caribbean, Latin America; Europe, Middle East & Africa; Middle East & Africa and United States and Canada. In 1995, the company that would become Avaya was a part of Lucent Technologies. Before that it had been a part of AT&T.

Siemens AG is a German multinational conglomerate company headquartered in Berlin and Munich. It is the largest engineering company in Europe. The principal divisions of the company are Industry, Energy, Healthcare, and Infrastructure & Cities, which represent the main activities of the company. The company is a prominent maker of medical diagnostics equipment and its medical health-care division, which generates about 12 percent of the company's total sales, is its second-most profitable unit, after the industrial automation division.