Tianyi (English: esurfing) is a personal mobile communication brand based on CDMA2000 launched by China Telecom Group Company under the background of full-service operation after taking over the CDMA network of China Unicom. Tianyi made up for the deficiency of China Telecom's original personal business, and became the customer brand of China Telecom's unified communication service for individuals, families and enterprises together with Tianyi Fei Young, Tianyi E-home and Tianyi Pilot.
Measures for the use of directional liquidity in the province:
1. Check the mobile phone number package business and see the specific application scope of directional traffic. For example, directional flow is only suitable for one application.
2. Leave the mobile phone in the province where the number belongs, turn on the mobile phone traffic data switch, and open the application to use directional traffic.
Directional traffic in the province refers to the directional traffic packet that the mobile phone can only use in the province where the number belongs.