发明授权
US07424442B2 Method and apparatus to allocate and recycle telephone numbers in a call-tracking system 有权
在呼叫跟踪系统中分配和回收电话号码的方法和装置

Method and apparatus to allocate and recycle telephone numbers in a call-tracking system
摘要:
In one embodiment, the invention provides a method. The method includes dynamically allocating a telephone number to an advertisement on a just-in-time basis; and if the telephone number is not called for a predefined period of time then unallocating the telephone number.
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