January 2015
Intermediate to advanced
235 pages
6h 10m
English
Content preview from Managing the PSTN Transformation
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21
overarChIng toPICs
all the necessary steps that operators have to face during the PSTN
migration process.
Prior to the start of the migration, it is important to fulfill several
prerequisites. Drawing on the migration plan and all the variables
that form it (replacement products, resources needed, lines migrated,
etc.), the selected types and modes of migration are defined first.
Consequently, the operator is able to define the sales potential attached
to the migration and the best channel for notifying the customer about
the new services.
Once all the migration prerequisites have been defined, the IMS
migration—encompassing different stages—can take place. e
migration varies according to the customer (RES/BUS), the stage
(active/forced), and the ...
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