| 摘要 |
<p>The present invention relates to a method and an apparatus for virtualizing a private branch exchange by unifying resources of the private branch exchange into a virtual server thereby to form an internet-based (cloud) environment and using redistribution of the unified resources. A virtual system includes a virtual server configured to register terminals included in physical local system, which performs management to provide registration and services with terminal equipments included in the physical local system, and to redistribute the registered terminal equipments; and at least one virtual local system formed by redistributing the terminal equipments registered in the virtual server.</p> |
