Internet protocol controlled modem for use over a wireless voice network
View Patent ↗An Internet Protocol (IP) controlled modem receives a single modem command packet from a user IP system. The modem command packet indicates a destination IP address, a destination IP port number, and a modem command to initiate a voice call. The IP controlled modem determines if the destination IP address and the destination IP port number are authorized for modem control. If the destination IP address and the destination IP port number are authorized for modem control, then the IP controlled modem processes the modem command to wirelessly transfer call set-up signaling to a wireless communication network to initiate the voice call. The IP controlled modem receives a user data packet from the user IP system and wirelessly transfers the user data packet over the voice call.
1. An Internet Protocol (IP) controlled modem device comprising:
an IP communication interface portion configured to receive a single modem packet from a user IP system, wherein the single modem packet comprises a destination IP address, a destination IP port number, an access code, and a modem command to initiate a voice call;
a processing system portion configured to determine if the access code, the destination IP address, and the destination IP port number are authorized for modem control, and only if the access code, the destination IP address, and the destination IP port number are all authorized for modem control, then to process the modem command to generate a corresponding transceiver instruction to initiate the voice call;
a wireless transceiver portion configured to process the transceiver instruction to wirelessly transfer call set-up signaling to a wireless communication network to initiate the voice call;
the IP communication interface portion is configured to receive a user data packet; and
the wireless transceiver portion is configured to wirelessly transfer the user data packet over the voice call.
2. The IP controlled modem device of claim 1 wherein the modem command, the transceiver instruction, and the call set-up signaling indicate a destination telephone number for the voice call and wherein the destination telephone number is for a call-handling system that includes a modem that is configured to receive the user data packet over the voice call.
3. The IP controlled modem device of claim 2 wherein the processing system portion is configured to establish a point-to-point protocol connection with the call-handling system over the voice call.
4. The IP controlled modem device of claim 3 wherein:
the IP communication interface portion is configured to receive a Dynamic Host Configuration Protocol (DHCP) request from the user IP system;
the processing system portion is configured to process the DHCP request to select a user IP address for the user IP system; and
the IP communication interface portion is configured to transfer the user IP address for delivery to the user IP system.
5. The IP controlled modem device of claim 4 wherein the single modem packet and the user data packet from the user IP system have the user IP address as a source address.
6. The IP controlled modem device of claim 5 wherein the wireless transceiver portion is configured to wirelessly receive a network address over the voice call.
7. The IP controlled modem device of claim 6 wherein the processing system portion is configured to provide address translation between the user IP address and the network address.
8. The IP controlled modem device of claim 7 wherein the processing system portion is configured to select a network port for the user system and to provide address translation between the user IP address and the network port.
9. The IP controlled modem device of claim 8 wherein the voice call is to a call-handling system that is configured to provide address translation between the network address and a public IP address and between the network port and an IP port.
10. A method of operating an Internet Protocol (IP) controlled modem device which is performed by the IP controlled modem device, the method comprising:
in an IP communication interface portion of the IP controlled modem device, receiving a single modem packet from a user IP system, wherein the single modem packet comprises a destination IP address, a destination IP port number, an access code, and a modem command to initiate a voice call;
in a processing system portion of the IP controlled modem device, determining if the access code, the destination IP address, and the destination IP port number are authorized for modem control, and only if the access code, the destination IP address and the destination IP port number are all authorized for modem control, then processing the modem command to instruct a wireless transceiver portion of the IP controlled modem device to wirelessly transfer call set-up signaling to a wireless communication network to initiate the voice call;
in the IP communication interface portion of the IP controlled modem device, receiving a user data packet from the user IP system; and
in the wireless transceiver portion of the IP controlled modem device, wirelessly transferring the user data packet over the voice call.
11. The method of claim 10 wherein the modem command, the transceiver instruction, and the call set-up signaling indicate a destination telephone number for the voice call and wherein the destination telephone number is for a call-handling system that includes a modem that is configured to receive the user data packet over the voice call.
12. The method of claim 11 wherein wirelessly transferring the user data packet over the voice call comprises, in the wireless transceiver portion of the IP controlled modem device, establishing a point-to-point protocol connection with the call-handling system over the voice call.
13. The method of claim 12 further comprising:
in the IP communication interface portion of the IP controlled modem device, receiving a Dynamic Host Configuration Protocol (DHCP) request from the user IP system;
in the processing system portion of the IP controlled modem device, processing the DHCP request to select a user IP address for the user IP system; and
in the IP communication interface portion of the IP controlled modem device, transferring the user IP address for delivery to the user IP system.
14. The method of claim 13 wherein the single modem packet and the user data packet from the user IP system have the user IP address as a source address.
15. The method of claim 14 wherein establishing a point-to-point protocol connection comprises wirelessly receiving a network address in the IP controlled modem device over the voice call.
16. The method of claim 15 further comprising, in the processing system portion of the IP controlled modem device, providing address translation between the user IP address and the network address.
17. The method of claim 16 further comprising, in the processing system portion of the IP controlled modem device, selecting a network port for the user system and providing address translation between the user IP address and the network port.
18. The method of claim 17 wherein the voice call is to a call-handling system that is configured to provide address translation between the network address and a public IP address and between the network port and an IP port.