| 摘要 |
In accordance with a particular embodiment of the present invention, a method for maintaining telephony Internet services includes providing a first pointer, the first pointer directing a terminal unit to access a first Internet server. A backup pointer is provided, the backup pointer directing the terminal unit to access one or more corresponding backup Internet servers. The first Internet server is accessed based on the first pointer. Upon system failure, the backup Internet server is accessed based on the backup pointer.
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