| 摘要 |
A method for re-using an existing IPSec tunnel for multiple services. The IPSec tunnel is established from customer premises equipment to the core network to support licensed frequency communications, such as a femtocell. UMA communication using unlicensed frequencies may be carried out by re-using the IPSec tunnel to securely route UMA communications from a UMA device to a UNC within the core network via the customer premises equipment. The network determines whether to redirect UMA communications through an existing IPSec tunnel by determining whether a newly established second IPSec tunnel for UMA communications originates from an access point collocated with a femtocell that has an existing IPSec tunnel.
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