Common ISDN Application Programming Interface
Common ISDN Application Programming Interface
(networking)Work on CAPI began in 1989, focussing on the German ISDNprotocol, and was finished in 1990 by a CAPI working groupconsisting of application providers, ISDN equipmentmanufacturers, large customers, user groups and DBP Telekom,resulting in COMMON-ISDN-API Version 1.1. Followingcompletion of the international protocol specification, almostevery telecommunication provider offers BRI and PRI withprotocols based on Q.931 / ETS 3009 102. Common-ISDN-APIVersion 2.0 was developed to support all Q.931 protocols.
Latest version: 2.0, as of 1998-09-07.
http://capi.org/.