(Through in-depth analysis and multi-party comparison, Haier Group finally chose the Avaya connection core overall solution, including the Avaya call core queuing machine system, the Avaya self-service voice service system, the Avaya interactive response system, the Avaya automatic connection solution, and the Avaya S8720 media server and Avaya communication. Manager 4.0 adapts to the needs of field development with continuous technological innovation and upgrading. Avaya's connectivity core solutions use an open platform with excellent scalability. Haier can easily add new nodes/points and agents based on business development needs. Haier can also add new service modules based on new business requirements. For example, for the business of home appliances to the countryside and home appliances trade-in.)