| 摘要 |
Call management method and apparatus in a wireless communication network that route calls through multiple call switching centers. New calls are established when mobile stations seize radio links of a base station. As part of call setup, the base station determines whether the new call arrived to the base station through a hand-off technique or whether the call originated with the base station. If the call arrived by hand-off, the base station receives an identifier of a call switching center that administered the call prior to hand-off and routes the call to the identified call switching center. If the call originated with the base station, the base station communicates to the mobile station an identifier of a default call switching center that will handle the call and routes the call to the default call switching center.
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