Training agreement: Article 22 of the Labor Contract Law clearly stipulates: "If an employer provides special training fees for laborers and provides them with professional and technical training, it may conclude an agreement with laborers to stipulate the service period. If the laborer violates the service period agreement, he shall pay liquidated damages to the employer in accordance with the agreement. The amount of liquidated damages shall not exceed the training expenses provided by the employer. The liquidated damages that the employer requires the laborer to pay shall not exceed the training expenses that should be shared for the unfinished part of the service period. If the employer and the employee agree on the service period, it will not affect the employee to improve the labor remuneration according to the normal wage adjustment mechanism during the service period. "

China Telecom has built a comprehensive service window to realize the service concept of "one-stop access and one-stop purchase" for customer service. Adopt the national unified special service access code, integrate all kinds of original special service numbers, and provide consultation, inquiry, acceptance and complaint services for all kinds of telecommunications services for users with telephone network as the main information exchange mode, and establish a rapid customer response center for basic telecommunications services and various telecom value-added services based on customer service platform.