Top Definition
Integrated Special Services Network

In a phone system (notably AT&T), controls special user features and customer control options. Not to be confused with ISSN, the serial number used by the Library of Congress used to register magazines.
by LarstaiT November 06, 2003

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×