The call is not activated. Is there a call right now?

Heiko

-----
Heiko Ludwig, Dr. rer. pol.
IBM TJ Watson Research Center, PO Box 704, Yorktown, NY, 10598
hludwig@us.ibm.com, tel. +1 914 784 7160,  mob. +1 646 675 8469
http://www.research.ibm.com/people/h/hludwig/