Fiber Access Network Migration for a Tier 1 Carrier Our client’s situation: A US Tier 1 carrier needed to migrate its customers to a ber access network while decommissioning its legacy copper network. Cartesian planned, managed and executed a Proof of Concept (PoC) for three switches to migrate customers and decommission the TDM switches. What we did: Validated the business case for the outcome of network transformation. Developed the process, conducted data cleansing and reconciliation, identied best practices for communications approach and handled regulatory lings, including: Cleansing and creating “single source” list of residential, business, carrier and internal circuits combining inventory and CRM data as part of the data preparation process. Filing NCN and 214 notices to FCC and

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