Methods for providing prepaid telephony service via an internet protocol network system
First Claim
1. A system for providing prepaid telephony service, the system comprising:
- a packetized voice switch configured to determine whether a telephone number, supplied to establish a prepaid call and received via a Public Switched Telephone Network (PSTN) telephone switch, matches a prepaid access telephone number; and
a relay station coupled to the packetized voice switch, wherein the relay station is configured as a media agent to terminate the prepaid call if a match is determined.
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Accused Products
Abstract
Methods are disclosed for providing prepaid telephony service via an Internet protocol (IP) network system. A first method provides controlling at least one media agent or call routing station/switch of an IP network system for allowing and/or blocking call media streams from traversing through the media agent. A second method provides directing all signaling messages transmitted by a signaling agent or station and all media packets transmitting voice and data communications through at least one common device within the IP network system. The methods further provide for continuously monitoring a subscriber'"'"'s account balance and terminating the prepaid telephony service if the account balance is less than a predetermined amount.
135 Citations
7 Claims
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1. A system for providing prepaid telephony service, the system comprising:
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a packetized voice switch configured to determine whether a telephone number, supplied to establish a prepaid call and received via a Public Switched Telephone Network (PSTN) telephone switch, matches a prepaid access telephone number; and a relay station coupled to the packetized voice switch, wherein the relay station is configured as a media agent to terminate the prepaid call if a match is determined. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification