Methods, apparatus and computer program products for routing phone calls to a PSTN or a packet switched network based on called number
First Claim
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1. A method of routing phone calls in a communication system, the method comprising:
- selectively routing a phone call to a public switched telephone network (PSTN) or to a packet switched network based on a called number to which the phone call is directed.
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Abstract
A phone call is selectively routed to a public switched telephone network or to a packet switched network based on a called number to which the phone call is directed. A phone call may be made as a Voice-Over-Internet-Protocol call through, for example, the Internet except when a user dials an emergency number, in which case the call is made to the public switched telephone network.
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Citations
24 Claims
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1. A method of routing phone calls in a communication system, the method comprising:
selectively routing a phone call to a public switched telephone network (PSTN) or to a packet switched network based on a called number to which the phone call is directed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A phone adapter comprising:
a controller that is configured to selectively route a phone call to a public switched telephone network (PSTN) or to a packet switched network based on a called number to which the phone call is directed. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A computer program product for routing calls in a communication system, the computer program product comprising program code embodied in a computer-readable storage medium, the computer program code comprising:
program code that is configured to selectively route a phone call to a public switched telephone network (PSTN) or to a packet switched network based on a called number to which the phone call is directed. - View Dependent Claims (21, 22, 23, 24)
Specification