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Standard ECMA-218
Protocol for Computer Supported
Telecommunications Applications (CSTA) - Phase II
(December 1994)
This Standard specifies application protocol data units (APDUs) for
the services described in Standard ECMA-217, Services for Computer
Supported Telecommunications Applications (CSTA) Phase II. The field
of application of this Standard is the interconnection of switches
and computers in a private telecommunications environment.
Phase II of CSTA extendsthe range of features offered by CSTA Phase
I.
Section II (clause 5 to clause 7 inclusive) describes the concepts
underlying the Remote Operations model, notation and service.
Section III (clause 8 to clause 19 inclusive) contains CSTA-specific
protocol details and forms the main part of this Standard.
Further information on the CSTAtopic is also available.
The following files can be freely downloaded:
The above files are included in the current version of the ECMA CD-ROM.
The CD-ROM and printed copies of this Standard can be ordered, free
of charge, from documents@ecma.ch<
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