| 摘要 |
A method may include receiving a telephone number mapping query associated with a call from a calling party to a called party. The method may also include identifying, based on the query, first routing information that identifies a call session control component to process the call, and second routing information that identifies a border control component. The method may further include forwarding the first routing information to the querying device, and forwarding the second routing information to the querying device when the query originated from outside a network servicing the called party.
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