Operation Manual
Features of CAPI
Controller A1 PCMCIA – 8 The AVM System Architecture 39
Features of CAPI
CAPI offers a number of important features:
l Support for basic call functions such as call set-up and
clear-down.
l Support for multiple B-channels for data and/or voice
connections
l Support for multiple logical connections for data trans-
mission within a single physical channel
l Selection of specific services and protocols for dialing
and answering incoming calls
l Transparent interface for protocols above OSI layer 3
l Support for one or several BRIs and PRIs through one or
several ISDN-Controllers
l Support for multiple concurrent applications
l Message definitions independent of operating systems
l A message-passing mechanism tailored to specific op-
erating systems for optimum system integration
l An asynchronous, event-driven mechanism for high
throughput
a1pcm_e.book Seite 39 Mittwoch, 18. Juli 2001 11:22 11