(1) In programming, a statement that requests services from another subroutine or program. The call is physically made to the subroutine by a branch instruction or some other linking method that is created by the assembler, compiler or interpreter. The routine that is called is responsible for returning control to the calling program after it has finished processing. See stack.
(2) In communications, the action taken by the transmitting station to establish a connection with the receiving station in a dial-up network.
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