| 摘要 |
One or more devices in a provider network receive provisioning information to migrate customer devices within a customer network from an original session border controller (SBC) device of the provider network to a new SBC device, where the provisioning information includes one or more fully-qualified domain names (FQDNs) associated with the original SBC device. The one or more devices update DNS server entries for the one or more FQDNs with an Internet Protocol (IP) address associated with the new SBC device and provide, to the customer devices within the customer network, DNS entry updates for the one or more FQDNs. The new SBC device then receives SIP session signal from the customer devices, and the configuration information associated with the customer may be deleted from the original SBC.
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