| 摘要 |
A method and apparatus for enabling subscribers using any access technology and endpoint equipment to subscribe to VoIP network services and to use the advanced features provided by VoIP networks to receive incoming calls are disclosed. The present method enables subscribers to use a virtual number, which they can associate with any existing phone lines that they hav e already subscribed to, including traditional PSTN telephone lines, mobile phone lines, or even IP based phone lines. For example, subscribers can set up an advanced feature so that calls to this virtual phone number can be forwarded to the subscriber's phones serially or in parallel depending on the preferences of the subscriber and the identity of the incoming caller. All advanced feature s associated with VoIP services can be made available to subscribers through these virtual numbers.
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