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Fixed mobile roaming service solution

  • US 8,676,195 B2
  • Filed: 04/16/2007
  • Issued: 03/18/2014
  • Est. Priority Date: 04/14/2006
  • Status: Active Grant
First Claim
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1. A method of registering a mobile device to use a visiting network comprising:

  • translating first registration messages from the mobile device from a first protocol to corresponding second registration messages in a second protocol, wherein translating the first registration messages into the second registration messages are performed at an Internet Protocol Visitor Location Register (IP-VLR) belonging to an IP network containing a roaming service platform, wherein the IP network is configured to communicatively couple with the PSTN through a gateway belonging to the IP network and with a HPLMN and the Internet via a firewall belonging to the IP network; and

    transmitting the second registration messages to register the device to use the visiting network;

    translating response messages in the second protocol to corresponding response messages in the first protocol; and

    transmitting the corresponding response messages in the first protocol to the mobile device.

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