Value-added fixed-line busin£$'ess refers to the use of telec∑ "÷ommunications and in βformation services provided b₹↕δy public network infrastructure. At pr"↓₹esent, fixed-line value-added sπ±←₩ervices are mainly provided to us♦<₹ers through intelligent ne↔↕∏•tworks, voice platforms,≈★ and SMS platforms. Value-added s±±•λervices include: sma✔★€rt services, voice services, and ≠↔✘™fixed-line short messages. The sπ£ ervice provision capabilit∞βy is mainly based onδ the capabilities of the existing netw÷✘ork and the user terminal. It mainly p&±←rovides flexible billing capabil™®ities, the ability t☆•<o control the call process, and th∏×e ability to provide information.×ε©
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According to different functions> that can be achieved,₩≥÷ fixed-line value-added service≤™ 's are mainly divided in®'to 800 hotline numbers, 40↑≥♦0 hotline numbers and 95 call↔÷÷☆ numbers.