The LERG (Local Exchange Routing Guide) Routing Guide is a centralized reference used in telecommunications to facilitate the effective routing of calls between different telephone exchanges. It serves as an essential tool for both service providers and carriers to understand how calls should be routed across various networks. Key features and components of the LERG include: 1. **Routing Information**: It provides detailed information about the geographic areas served by different Local Exchange Carriers (LECs) and the numbering resources assigned to them.
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