UPT customer: a person or legal entity seeking UPT service from a service provider that needs a UPTN.
UPT客户：从业务提供商那里获取UPT服务、需要UPTN的个人或法人实体。
The GSN portion of the UPTN does not contain any identification of country (origin or destination) or service provider.
UPTN的GSN部分不包含任何国家（源地和目的地）或业务提供商标识。
The GSN portion of the UPTN does not contain any identification of country (origin or destination) or service provider.
UPTN的GSN部分不包含任何国家（源地和目的地）或业务提供商标识。
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