Source: http://www.google.com/patents/US7787445?dq=7800613
Timestamp: 2014-03-14 13:30:08
Document Index: 284494523

Matched Legal Cases: ['Application No. 06844747', 'application No. 06844747', 'Application No. 00988270', 'Application No. 04751843', 'application No. 04751843', 'Application No. 06844747', 'application No. 07810606']

Patent US7787445 - Methods, systems, and computer program products for routing and processing ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe subject matter described herein includes methods, systems, and computer program products for routing ENUM queries to an ENUM database. According to one aspect, the subject matter described herein includes a method for routing ENUM queries to an ENUM database. The method includes receiving an ENUM...http://www.google.com/patents/US7787445?utm_source=gb-gplus-sharePatent US7787445 - Methods, systems, and computer program products for routing and processing ENUM queriesAdvanced Patent SearchPublication numberUS7787445 B2Publication typeGrantApplication numberUS 11/879,737Publication dateAug 31, 2010Filing dateJul 18, 2007Priority dateJul 20, 2006Also published asEP2047667A2, EP2047667A4, US20080019356, WO2008011101A2, WO2008011101A3Publication number11879737, 879737, US 7787445 B2, US 7787445B2, US-B2-7787445, US7787445 B2, US7787445B2InventorsPeter J. MarsicoOriginal AssigneeTekelecExport CitationBiBTeX, EndNote, RefManPatent Citations (107), Non-Patent Citations (111), Referenced by (13), Classifications (23), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetMethods, systems, and computer program products for routing and processing ENUM queriesUS 7787445 B2Abstract The subject matter described herein includes methods, systems, and computer program products for routing ENUM queries to an ENUM database. According to one aspect, the subject matter described herein includes a method for routing ENUM queries to an ENUM database. The method includes receiving an ENUM query including a subscriber identifier. An ENUM database is identified among a plurality of non-identically provisioned ENUM databases based on the subscriber identifier. The ENUM query is routed to the identified ENUM database.
RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Patent Application Ser. No. 60/832,084 filed Jul. 20, 2006; the disclosure of which is incorporated herein by reference in its entirety.
TECHNICAL FIELD The subject matter described herein relates to ENUM queries. More specifically, the subject matter relates to methods, systems, and computer program products for routing and processing ENUM queries.
BACKGROUND E.164 number mapping (ENUM) refers to the translation of E.164-formatted telephone numbers into uniform resource indicators (URIs) resolvable by a domain name system (DNS) server into Internet protocol (IP) addresses. ENUM has been extensively deployed worldwide in order to provide integration between IP networks, such as the Internet, and the public switched telephone network (PSTN). In one proposal, as described in RFC 2916, the telephone number format used in ENUM translation is the E.164 number format. According to ITU-T standards, an E.164 telephone number may include up to 15 digits and include a leading + symbol indicating that the number is globally unique. For example, a valid E.164 telephone number may include +420-123456789. ENUM translation of an E.164 number into an IP network identifier may include formulating an ENUM query including the E.164 number and querying an ENUM database containing one or more naming authority pointer (NAPTR) records that associate individual E.164 numbers with one or more IP network identifiers. A NAPTR record is a type of DNS record that supports regular-expression-based rewriting, where each network identifier within the NAPTR record may differentiated based on a variety of parameters. Thus, a NAPTR record may contain multiple URIs associated with a single telephone number, where each URI may be differentiated based on an order, a preference, and a service. For example, the E.164 telephone number +420-123456789 may be associated with SIP URI smith@domain.org, H.323 URI smith@domain.org, and email URI smith@domain.org within a NAPTR record located in an ENUM database.
SUMMARY The subject matter described herein includes methods, systems, and computer program products for routing ENUM queries to an ENUM database. According to one aspect, the subject matter described herein includes a method for routing ENUM queries to an ENUM database. The method includes receiving an ENUM query including a subscriber identifier. An ENUM database is identified among a plurality of non-identically provisioned ENUM databases based on the subscriber identifier. The ENUM query is routed to the identified ENUM database.
DETAILED DESCRIPTION The subject matter described herein includes methods, systems, and computer program products for routing and processing ENUM queries. FIG. 1 is a network diagram of an exemplary system for routing ENUM queries to an ENUM database. In FIG. 1, the system includes a range-based E.164-to-ENUM database identifier mapping data structure. Referring to FIG. 1, network 100 may include a signaling point (SP) 102, a flexible ENUM routing node 104, and ENUM databases 106, 108 and 110. SP 102 may be connected to flexible ENUM routing node 104 via a communications link, such as a signaling system number 7 (SS7) communications link, an IP communications link, or an SS7-over-IP communications link, for communicating signaling messages, such as ENUM query and response messages, with flexible ENUM routing node 104. Similarly, flexible ENUM routing node 104 may be connected to ENUM databases 106-110 via one or more suitable communications links for sending and receiving ENUM query messages and ENUM response messages with ENUM databases 106-110.
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