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...Gosub arg - Arguments for the Gosub routine Execute via Gosub the routine <x> for the *called* channel before connecting to the calling channel. Arguments can be specified to the Gosub using '^' as a delimiter. The Gosub routine can set the variable ${GO SUB_RESULT} to specify the following actions after the Gosub returns. ${GOSUB_RESULT}: ABORT: Hangup both legs of the call. CONGESTION: Behave as if line congestion was encountered. BUSY: Behave as if a busy signal was encountered. CONT...