TestCom 2006 is the 18th event in a series of international workshops and conferences. Formerly TestCom was known as the International Workshop for Protocol Test Systems (IWPTS). Eight workshops took place:

1. IWPTS’89: Berlin, Germany, Oct. 1989
2. IWPTS'90: McLean, Virginia, U.S.A., Oct. 1990
3. IWPTS'91: Leidschendam, Netherlands, Oct. 1991
4. IWPTS'92: Montréal, Canada, Sept. 1992
5. IWPTS'93: Pau, France, Sept. 1993
6. IWPTS 94: Tokyo, Japan, Nov. 1994
7. IWPTS’95: Evry, France, Sept.1995
8. IWPTS'96: Darmstadt, Germany, Sept. 1996

In 1997 it became the International Workshop on Testing Communicating Systems (IWTCS). There were three workshops:

1. IWTCS'97: Cheju Island, Korea, Sept. 1997
2. IWTCS'98: Tomsk, Russia, Aug.-Sept. 1998
3. IWTCS'99: Budapest, Hungary, Sept. 1999

Since 2000 the conference is called the International Conference on Testing Communicating Systems (TestCom). The conference locations have been as follows:

1. TestCom'00: Ottawa, Canada, Aug.-Sep. 2000
2. TestCom'02: Berlin, Germany, March 2002
3. TestCom'03: Sophia Antipolis, France, May 2003
4. TestCom'04: Oxford, UK, 2004
5. TestCom'05: Montreal, PQ, Canada, 2005
6. TestCom'06: New York City, USA, 2006