System and method for establishing PSTN calls via an IP request
First Claim
1. A method of establishing a call over a Public Switched Telephone Network (PSTN), said PSTN including an End Office (EO) serving a calling party'"'"'s Consumer Premises Equipment (CPE), the method comprising:
- (a) receiving at a network element of the PSTN a message requesting establishment of the call over the PSTN, said message being received over a packet-switched network and identifying the calling party'"'"'s CPE from which the call is to be placed; and
, (b) notifying the EO serving the calling party'"'"'s CPE of the request for establishment of the call such that the EO treats establishment of the call like a terminating call as opposed to an originating call.
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Accused Products
Abstract
A method of establishing a call over a Public Switched Telephone Network (PSTN) (20) is provided. The PSTN (20) includes an End Office (EO) (40) serving a calling party'"'"'s Consumer Premises Equipment (CPE) (10, 70). The method includes: receiving at a network element (22) of the PSTN (20) a message requesting establishment of the call over the PSTN (20), the message being received over a packet-switched network (30) and identifying the calling party'"'"'s CPE (10, 70) from which the call is to be placed; and, notifying the EO (40) serving the calling party'"'"'s CPE (10, 70) of the request for establishment of the call such that the EO (40) treats the call as a terminating call as opposed to an originating call.
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Citations
23 Claims
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1. A method of establishing a call over a Public Switched Telephone Network (PSTN), said PSTN including an End Office (EO) serving a calling party'"'"'s Consumer Premises Equipment (CPE), the method comprising:
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(a) receiving at a network element of the PSTN a message requesting establishment of the call over the PSTN, said message being received over a packet-switched network and identifying the calling party'"'"'s CPE from which the call is to be placed; and
,(b) notifying the EO serving the calling party'"'"'s CPE of the request for establishment of the call such that the EO treats establishment of the call like a terminating call as opposed to an originating call. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for establishing a call over a Public Switched Telephone Network (PSTN), said PSTN including an End Office (EO) serving a calling party'"'"'s Consumer Premises Equipment (CPE), the system comprising:
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a network element within the PSTN for receiving a message requesting establishment of the call over the PSTN, said message being received over a packet-switched network and identifying the calling party'"'"'s CPE from which the call is to be placed; and
,means for notifying the EO serving the calling party'"'"'s CPE of the request for establishment of the call such that the EO treats establishment of the call like a terminating call as opposed to an originating call. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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Specification