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(57) ABSTRACT A Voice processing System comprising a digital trunk pro cessor 135 and a system unit 145 incorporates a local voice recognition resource 185 provided on a digital Signal pro cessing board 180, and can access a remote voice recogni tion resource 320 in a server 300 via a local area network

250. The system provides a barge-in facility for the recog nition resource on the remote Server, whereby a prompt is played out to the user, and the incoming telephony Signal is fed into a voice activity detector on the digital trunk pro ceSSor. Responsive to a detection of incoming voice activity, the outgoing prompt is terminated, and the incoming data is