6
managIng the Pstn transformatIon
e experience from the countries have shown that PSTN migra-
tion is a complex project that requires aligned involvement of all
functions, which has proven to be highly complex and difficult to
manage. us, all business functions need to collaborate in an efficient
way—until all customers are migrated.
Based on this discussion, the involved parties are structured into
the functional topics represented by the work streams (overarching
topics, product portfolio roadmap, migration plan, NT/IT roadmap,
business case, go to market) leading to a cross-functional project orga-
nization. Human resources must be integrated from the beginning to
support and assure a comprehensive resource planning in the migra-
tion plan. ...