====== AUTOVON ======

AUTOVON, the Automatic Voice Network, was a military telephone network operated by AT&T. There's a lot more writing to do about it!

===== Resources =====

The Autovon Routing Guide or "Orange Book" ([[https://www.telephonecollectors.info/index.php/browse/bc-switching-library/western-electric/weco-switching-documents/13063-att-ll-apr71-autovon-routing-guide?highlight=WyJhdXRvdm9uIiwiYXV0b3ZvbidzIiwiYXV0b3ZvbidhY2Nlc3MiLCJhdXRvdm9uJ3dvcmxkd2lkZSIsInJvdXRpbmciLCJndWlkZSIsIidndWlkZSIsImd1aWRlJ3MiLCJhdXRvdm9uIHJvdXRpbmciLCJhdXRvdm9uIHJvdXRpbmcgZ3VpZGUiLCJyb3V0aW5nIGd1aWRlIl0=|available from TCI Library]]) is a valuable resource. Besides an in-depth explanation of the unique "polygrid" routing algorithm used in AUTOVON, it has a lengthy appendex with the prefixes assigned to each AUTOVON switch---serving as a list of users attached to each one.

===== Facilities =====

{{topic>autovon}}