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| network regions (The network hubs or backbones that are used in the configuration of call admission control, E9-1-1, and media bypass. They interconnect parts of a network across multiple geographic areas, and every network region must be associated with a central site) | |||
| regiones de red: 10 phrases in 3 subjects |
| Name of organization | 7 |
| Politics | 1 |
| United Nations | 2 |