Internet Protocol for IP Private Branch Exchanges
First Claim
1. An Internet protocol query system for Internet protocol private branch exchanges, the system comprising:
- a private branch exchange that is connected to the public switched telephone network for that receives a call setup request, the private branch exchange comprising an internal name delivery database, the private branch exchange and the internal name delivery database being independent from and in communication with a carrier switch, the private branch exchange not being enabled to receive calling name delivery information from the carrier switch; and
an external calling name delivery database, independent of the carrier switch and the private branch exchange, that receives calling name delivery queries from the private branch exchange based on the call setup request;
wherein the private branch exchange is configured, in response to a determination that an incoming telephone number associated with the call setup request does not require calling name delivery information, to withhold sending calling name delivery queries to both the internal name delivery database and the external name delivery database.
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Accused Products
Abstract
An Internet protocol query for Internet protocol private branch exchanges including a private branch exchange that is connected to the public switched telephone network for receiving a call setup request, the private branch exchange not being enabled for receiving calling name delivery information from a telecommunications circuit; at least one of an incumbent local exchange carrier switch and a competitive local exchange carrier switch in communication with the private branch exchange, the at least one of the incumbent local exchange carrier switch and the competitive local exchange carrier switch having the telecommunications circuit not enabled for calling name delivery information retrieval; a network in communication with the private branch exchange; and a calling name delivery database in communication with the network for receiving calling name delivery queries from the private branch exchange based on the call setup request. Methods for routing calls based on ENUM information is also included.
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Citations
20 Claims
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1. An Internet protocol query system for Internet protocol private branch exchanges, the system comprising:
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a private branch exchange that is connected to the public switched telephone network for that receives a call setup request, the private branch exchange comprising an internal name delivery database, the private branch exchange and the internal name delivery database being independent from and in communication with a carrier switch, the private branch exchange not being enabled to receive calling name delivery information from the carrier switch; and an external calling name delivery database, independent of the carrier switch and the private branch exchange, that receives calling name delivery queries from the private branch exchange based on the call setup request; wherein the private branch exchange is configured, in response to a determination that an incoming telephone number associated with the call setup request does not require calling name delivery information, to withhold sending calling name delivery queries to both the internal name delivery database and the external name delivery database. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An Internet protocol query system for Internet protocol private branch exchanges comprising:
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a private branch exchange that is connected to a network for connecting an outbound telephone call from at least one communication device, the private branch exchange in communication with the at least one communication device and with an electronic numbering mapping database configured to receive electronic numbering mapping database queries from the private branch exchange based on a telephone number of the outbound telephone call; wherein the private branch exchange is configured, in response to a determination that the telephone number of the outbound telephone call does not require electronic numbering mapping information, to withhold sending electronic numbering mapping database queries to the electronic numbering mapping database. - View Dependent Claims (9, 10, 11, 12)
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13. A method for associating calling name directory information with an incoming telephone call comprising:
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receiving a call setup request including a telephone number from at least one communications device; determining whether the telephone number requires calling name delivery information; in response to determining that the telephone number requires calling name delivery information; querying one or more databases for calling name delivery information related to the call setup request; retrieving the calling name delivery information; and transmitting the calling name delivery information to the at least one communications device; and in response to determining that the telephone number does not require calling name delivery information, withholding sending calling name delivery queries to the one or more databases. - View Dependent Claims (14, 15, 16)
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17. A method for routing a call comprising:
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receiving a call setup request including a telephone number for an outbound call from at least one communications device; determining whether the telephone number requires electronic numbering mapping information; in response to a determination that the telephone number requires electronic numbering mapping information; querying one or more databases for electronic numbering mapping information related to the call setup request; retrieving the electronic numbering mapping information; and responsive to retrieving the electronic numbering mapping information, routing the call setup request to a network based on the retrieved electronic numbering mapping information; and in response to a determination that the telephone number does not require electronic numbering mapping information, withholding sending queries to the one or more databases. - View Dependent Claims (18, 19, 20)
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Specification