In Germany and Austria, von is defined as of or from and goes before a surname (family name) to show the family relationship or the place of origin.
An example of von used in a name is in Ludwig von Mises, which means Ludwig of Mises.
Of or from.
(Voice On the Net, Video On the Net) A trade show sponsored by pulver.com, Melville, NY (www.pulver.com) that covers the transport of voice and video over the Internet. Conceived by Jeff Pulver, a specialist in the Internet and IP telephony fields, the first VON conference was held in San Francisco in 1997. Pulver also produces The Pulver Report, an email newsletter covering the industry.