What is the integrated voice in Unified Communications? I saw it in the mobile value-added service when it was sent from 0000 to 10086. Deduct 10 every month. I don't know what it is

Unified Communications Integrated Voice, that is, China Mobile IMS service, integrates Internet, IP data network and various terminals to realize telephone, fax, video conference and other corporate office communications. This business is the business of China Mobile Group, and it is a group product aimed at various voice and extended function requirements in corporate office. You can call 10086 to inquire about the order record in detail at the manual desk.