Crosstalk Mk.4

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Crosstalk Mk.4 was a commercially available PC telecommunications and terminal emulation software package originally produced by Atlanta-based Crosstalk Communications, from the late 1980s through 1990, and by Digital Communications Associates (DCA) until the mid-1990s. Crosstalk Mk.4 was one of a suite of products produced by the company; others included the famed Crosstalk XVI, Crosstalk Communicator, Crosstalk for Windows, and Remote 2.

Contents

Its CASL scripting language, though not the program behind it, was still supported (by Micro Focus) in 2018.

Overview

Featuring multisession communications capabilities, Crosstalk Mk.4 allowed multiple serial ports to be used and controlled simultaneously. A powerful programming language called CASL (Crosstalk Application Scripting Language) provided full program and communications activity control, and enabled users to create a wide variety of custom applications. [1]

The program was in widespread use globally and served the communications and equipment control needs of major conglomerates. The company having been acquired and reacquired, as of 2018 the CASL scripting language is supported by Micro Focus's InfoConnect Desktop offering. [2]

History

".. first announced in 1985 and then reannounced in mid-1987 ... well worth the wait" was the opening to a January 1988 PC Magazine review. [1] Actually, an earlier, functionally similar product named Crosstalk XVI, had been introduced in 1982. The XVI (16 in Roman numerals) represented the 16-bit processor of the PC; Mk.4 came somewhat later. [3]

Digital Communications Associates acquired Microstuf, makers of the Crosstalk Communications package together with their flagship product, the Crosstalk terminal emulation program, in 1986. [4] It was early 1987 when DCA won a look and feel lawsuit regarding Crosstalk. [5] [6]

Enhancements (including for Windows) continued into the early 1990s. [7]

Awards

Crosstalk Mk.4 received many accolades during its production, including PC Magazine Editors' Choice and PC World Product of the Year awards.[ citation needed ]

See also

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References

  1. 1 2 M. David Stone (January 12, 1988). "Crosstalk Mk.4". PC Magazine . pp. 237–242.
  2. ↑ "Upgrading to InfoConnect Desktop 16.1". April 1, 2018.
  3. ↑ "Crosstalk XVI 3.3x". WinWorldPC.
  4. ↑ Martin, James A. (October 13, 1987). "Digital Communications acquires micro software firm". Computerworld (archived by Google Books). Retrieved April 28, 2015.
  5. ↑ Peter H. Lewis (April 9, 1987). "Copyright suit fights Lotus 1-2-3". The New York Times .
  6. ↑ Brian Starfire (March 8, 1986). "Barbs for software pirates stinging legitimate users". Orlando Sentinel .
  7. ↑ "Crosstalk for Windows". InfoWorld . February 22, 1993. p. 78.
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