The service Provider shall ensure that all calls are attended to and the problem rectified base on service level agreed in appendix 1.
服务提供商应确保所有的电话都参加了这个问题，基于服务水平整流同意在附录一。
The service Provider shall ensure that all calls are attended to and the problem rectified base on service level agreed in appendix 1.
服务提供商应确保所有的电话都参加了这个问题，基于服务水平整流同意在附录一。
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