Invention Grant
US08699680B2 Unscreened automatic number identification based on branch identifier 有权
基于分支标识符的无屏蔽自动号码识别

Unscreened automatic number identification based on branch identifier
Abstract:
Methods, devices, and storage media provide for receiving a message pertaining to setting up a telephone call; inserting in the message a branch identifier that indicates a branch office of an enterprise from which the message originated; transmitting the message including the branch identifier to a private branch exchange device; and generating billing information for the telephone call based on the branch identifier.
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