Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
97 words
A coupled data network comprising: a foreign network that includes a foreign mobile switching center and
a base station, the base station including an access hub with a serving inter-working
function; a home network that includes a home mobile switching center, the
home mobile switching center including a home inter-working function; and a roaming end system subscribed to the home network and operating
within the foreign network, a message being transportable between the roaming end
system and the home inter-working function through the serving inter-working
function using a protocol that ensures in sequence delivery of data packets.
Claim 2
Dependent Claim
78 words
The network of claim 1, wherein the foreign mobile switching center includes a serving registration
server, and the access hub including a proxy registration agent, the home mobile switching center includes a home registration server,
and the roaming end system including an end registration agent, the end
registration agent being coupled to the proxy registration agent, the proxy registration
agent being coupled to the serving registration server, the serving registration server
being coupled to the home registration server.
Claim 3
Dependent Claim
27 words
The network of claim 2, wherein the home registration server includes
a module to authenticate that the foreign network is authorized to host the roaming
end system.
Claim 4
Dependent Claim
29 words
The network of claim 2, wherein the home registration server includes
a module to authenticate that the roaming end system is authorized to receive services
of the home network.
Claim 5
Dependent Claim
27 words
The network of claim 2, wherein the serving registration server
includes a module to authenticate that the roaming end system is a subscriber of the
home network.
Claim 6
Dependent Claim
72 words
The network of claim 2, wherein: the home registration server includes a module to authenticate that the
foreign network is authorized to host the roaming end system; the home registration server includes a module to authenticate that the
roaming end system is authorized to receive services of the home network; and the serving registration server includes a module to authenticate that
the roaming end system is a subscriber of the home network.
Claim 7
Dependent Claim
99 words
A wireless data network coupled to a foreign network that includes a
foreign mobile switching center and a base station that includes an access hub with
a serving inter-working function, the wireless data network comprising: a home network that includes a home mobile switching center, the
home mobile switching center including a home inter-working function; and an end system subscribed to the home network and operating within
the foreign network, a message being transportable between the end system and the
home inter-working function through the serving inter-working function using a
protocol that ensures in sequence delivery of data packets.
Claim 8
Dependent Claim
145 words
A home network for use in a coupled data network coupled to a
foreign network, that includes a foreign mobile switching center, which includes a
serving hub with a serving inter-working function and a proxy registration agent, and
a roaming end system which is subscribed to the home network and operating within
the foreign network, said roaming end system including an end registration agent
comprising: a home mobile switching center including a home inter-working
function and a home registration server; wherein a message being transportable between the roaming ens
system and the home inter-working function through the serving inter-working
function using a protocol that ensures in sequence delivery of data packets; and the end registration agent being coupled to the proxy registration
agent, the proxy registration agent being coupled to the serving registration server,
the serving registration server being coupled to the home registration server.
Claim 9
Dependent Claim
27 words
The network of claim 8, wherein the home registration server
includes a module to authenticate that the foreign network is authorized to host the
roaming end system.
Claim 10
Dependent Claim
29 words
The network of claim 8, wherein the home registration server
includes a module to authenticate that the roaming end system is authorized to receive
services of the home network.
Claim 11
Dependent Claim
73 words
The network of claim 8, wherein: the home registration server includes a module to authenticate that the
foreign network is authorized to host the roaming end system; the home registration server includes a module to authenticate that the
roaming end system is authorized to receive services of the home network; and wherein the serving registration server includes a module to
authenticate that the roaming end system is a subscriber of the home network.
Claim 12
Dependent Claim
105 words
A roaming end system for use in a coupled data network coupled to a
foreign network, that includes a foreign mobile switching center, which includes a
serving hub with a serving inter-working function and a proxy registration agent, and
a home network that includes a home mobile switching center including a home inter-working
function and a home registration server, comprising: the roaming end system subscribed to the home network and operating
within the foreign network, a message being transportable between the roaming end
system and the home inter-working function through the serving inter-working
function using a protocol that ensures in sequence delivery of data packets.