SIP2 Mobile gateway
First Claim
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1. A method to process a phone call between a user of an IP client and a called party attached to a mobile network, wherein said user of said IP client subscribes to mobile services from a mobile service provider, said method comprising:
- intercepting an invite message from said IP client by a phone server, said phone server further performing the steps;
parsing said invite message;
sending said invite message to a registry, location and services database to check if said called party is registered;
sending said invite message to said called party if said called party is registered,sending said invite message to a signaling conversion component if said called party is not registered, said signaling conversion component mapping said invite message to a ISUP message, said signaling conversion component further communicating said ISUP message with a service control and call control component, said service control part starting a new call state, sending said ISUP message to VLR/MSC and sending an INAP message to a SCP, and said call control part communicating with a media gateway control component attached to said VLR/MSC, said media gateway control component further sending an MGCP message to a media gateway component to connect IP traffic into a trunk group of said media gateway component.
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Abstract
A system and method for using an IP client attached to the Public Internet, acting as a virtual mobile terminal such as a cell phone, to have full access to mobile telephony services offered by a mobile operator using a SIP2 Mobile gateway. The services include a mobile telephone number, capabilities of sending and receiving short messages and mobile intelligent services such as prepaid billing, number translation, and ring back tones.
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Citations
3 Claims
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1. A method to process a phone call between a user of an IP client and a called party attached to a mobile network, wherein said user of said IP client subscribes to mobile services from a mobile service provider, said method comprising:
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intercepting an invite message from said IP client by a phone server, said phone server further performing the steps;
parsing said invite message;
sending said invite message to a registry, location and services database to check if said called party is registered;
sending said invite message to said called party if said called party is registered,sending said invite message to a signaling conversion component if said called party is not registered, said signaling conversion component mapping said invite message to a ISUP message, said signaling conversion component further communicating said ISUP message with a service control and call control component, said service control part starting a new call state, sending said ISUP message to VLR/MSC and sending an INAP message to a SCP, and said call control part communicating with a media gateway control component attached to said VLR/MSC, said media gateway control component further sending an MGCP message to a media gateway component to connect IP traffic into a trunk group of said media gateway component. - View Dependent Claims (2, 3)
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Specification