28Introduction to the New Maineframe: z/VSE Basics
A number of vendor roles exist to support software products on the
mainframe
7
. IBM has a centralized Support Center that provides entitled and
extra-charge support for software defects or usage assistance. There are also
information technology specialists and architects who can be engaged to
provide additional pre-sales and post-sales support for software products,
depending upon the size of the enterprise and the particular customer
situation.
Field technical sales support, systems engineer, or client representative
For larger mainframe accounts, IBM and other vendors provide face-to-face ...
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