AT&T International Service Position System (ISPS)

(last updated: 16-May-2015 09:31)
 

Periodical Articles

  1. "International Dialing: No Longer a Novelty", BLR 57:1 Jan 1979 pgs 26-31.
     
  2. "The Whole Wide World is Just a Phone Call Away", Telephony 201:3 Jul 20 1981 pgs 24-27.