COMMUNICATION SYSTEM AND METHOD OF ROUTING CALLS TO AN END POINT
First Claim
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1. A method of routing a call, the method comprising:
- when a telephone number mapping (ENUM) database does not identify an internet protocol (IP) address associated with a called number in response to a first query, sending a second query, the second query directed to a local number portability (LNP) database to determine whether the called number comprises a ported number having a local routing number (LRN).
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Abstract
A method of routing a call includes sending a second query when a telephone number mapping (ENUM) database does not identify an internet protocol (IP) address associated with a called number in response to a first query. The second query is directed to a local number portability (LNP) database to determine whether the called number includes a ported number having an associated local routing number (LRN).
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Citations
20 Claims
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1. A method of routing a call, the method comprising:
when a telephone number mapping (ENUM) database does not identify an internet protocol (IP) address associated with a called number in response to a first query, sending a second query, the second query directed to a local number portability (LNP) database to determine whether the called number comprises a ported number having a local routing number (LRN). - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus comprising:
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a service provider node to send a first query to a service provider resource, the first query associated with a called number, wherein the service provider resource comprises a telephone number mapping (ENUM) database coupled to a local number portability (LNP) database; and when an internet protocol (IP) address associated with the called number is not provided by the service provider resource in response to the first query, the service provider node is to receive the response from the service provider resource after a second query, wherein the second query is sent from the ENUM database to the LNP database. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A service provider apparatus comprising:
a telephone number mapping (ENUM) database, the ENUM database configured to; provide an internet protocol (IP) address associated with a called number when the IP address is stored at the ENUM database in response to a first query; and when the IP address is not stored at the ENUM database, request a local routing number (LRN) associated with the called number via a second query sent from the ENUM database to a local number portability (LNP) database. - View Dependent Claims (15, 16, 17, 18, 19, 20)
Specification