By Sandra Dornheim
ISBN-10: 1498701035
ISBN-13: 9781498701037
While there are a entire variety of scholarly books and papers out there concerning PSTN migration technical matters, literature describing completely how one can deal with the migration strategy economically is unusual. This publication displays the present wisdom at the demanding situations of migrating shoppers from the previous PSTN community to an All IP infrastructure. This PSTN migration blueprint, constructed with international locations Hrvatski Telekom (HT) and Makedonski Telekom (MKT), includes new conceptual ways and top practices so one can be certain wisdom move in the DT workforce.
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Additional resources for Managing the PSTN Transformation: A Blueprint for a Successful Migration to IP-Based Networks
Example text
6. The section on risks is dedicated to project risks, their multiple dimensions, and impacts. As an output from this section, the risk list with possible measures for mitigations is developed. End-to-End (E2E) process adjustments provide examples of processes that should be changed during the migration as well as new processes that could or should be introduced. 1 The PSTN Migration Process and Interdependencies The overall PSTN migration process shows the major process steps and the interaction between work streams.
It can also have an impact on the project timeline and thus influence the expected OPEX savings. • No fulfilled expectations for broadband penetration require a higher incremental CAPEX for PSTN migration and could also influence the timeline of the project. 3 Eco System Risks (Macro Environment) Macro environmental risks could occur because of changes in the regulatory or overall economic situation. ) • Additional not planned regulatory requirements could happen Even while there is a high probability that the regulatory agency will cause a significant delay in the decision-making process, the situation for each country has to be evaluated separately.
TDM-based switches are very old, which lead to the following challenges even if usage is prolonged: • No further production of hardware (processors already out of stock) • No software support by suppliers (even in the case of SLA extension) • Source code is not accessible for other suppliers • No guarantee for functioning exchange by suppliers Under these circumstances, risk of failure is increased on one side and on the other side there is no possibility for the introduction of additional functionalities (for example, by the regulatory body).