Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
88 words
A communications system, comprising: a stationary unit adapted to send and receive messages; a mobile unit adapted to establish a communication link with the stationary unit, the mobile unit being adapted to send and receive messages; and a proxy server adapted to route messages to one of the stationary unit and the mobile unit based on a status of the communication link and transmit a copy of the messages to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 2
Dependent Claim
88 words
A communications system, comprising: a stationary unit adapted to send and receive messages; a mobile unit adapted to establish a communication link with the stationary unit, the mobile unit being adapted to send and receive messages; and a proxy server adapted to route messages to one of the stationary unit and the mobile unit based on a status of the communication link and transmit a copy of the messages to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 3
Dependent Claim
28 words
The communications system of claim 1 , wherein the proxy server is adapted to route messages to the mobile unit in response to the communication link being inactive.
Claim 4
Dependent Claim
28 words
The communications system of claim 1 , wherein the proxy server is adapted to route messages to the stationary unit in response to the communication link being active.
Claim 5
Dependent Claim
36 words
The communications system of claim 1 , wherein at least one of the stationary unit and the mobile unit is adapted to notify the proxy server of a change in the status of the communication link.
Claim 6
Dependent Claim
38 words
The communications system of claim 1 , further comprising: a communication network coupling the proxy server to the stationary unit; and a wide area network transmitter adapted to allow communication between the proxy server and the mobile unit.
Claim 7
Dependent Claim
18 words
The communications system of claim 5 , wherein the wide area transmitter is coupled to the communication network.
Claim 8
Dependent Claim
21 words
The communications system of claim 1 , wherein the proxy server and the stationary unit are hosted by a single computer.
Claim 9
Dependent Claim
22 words
The communications system of claim 1 , wherein the stationary unit comprises at least one of a desktop computer and a telephone.
Claim 10
Dependent Claim
29 words
The communications system of claim 1 , wherein the mobile unit comprises at least one of a personal data assistant, a notebook computer, a two-way pager, and a radiotelephone.
Claim 11
Dependent Claim
23 words
The communications system of claim 1 , wherein the communication link comprises at least one of a wireless link and a hard-wired connection.
Claim 12
Dependent Claim
135 words
A communications system, comprising: a communication network; a wide area network transmitter coupled to the communication network; a stationary unit coupled to the communication network adapted to send and receive messages over the communication network; a mobile unit adapted to establish a first communication link with the stationary unit and a second communication link with the wide area network transmitter, the mobile unit being further adapted to send and receive messages over the second communication link; and a proxy server coupled to the communication network and adapted to route messages to one of the stationary unit and the mobile unit based on a status of the first communication link and transmit a copy of the messages to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 13
Dependent Claim
135 words
A communications system, comprising: a communication network; a wide area network transmitter coupled to the communication network; a stationary unit coupled to the communication network adapted to send and receive messages over the communication network; a mobile unit adapted to establish a first communication link with the stationary unit and a second communication link with the wide area network transmitter, the mobile unit being further adapted to send and receive messages over the second communication link; and a proxy server coupled to the communication network and adapted to route messages to one of the stationary unit and the mobile unit based on a status of the first communication link and transmit a copy of the messages to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 14
Dependent Claim
35 words
The communications system of claim 11 , wherein the proxy server is adapted to route messages to the mobile unit via the wide area network transmitter in response to the first communication link being inactive.
Claim 15
Dependent Claim
33 words
The communications system of claim 11 , wherein the proxy server is adapted to route messages to the stationary unit via the communications network in response to the first communication link being active.
Claim 16
Independent Claim
72 words
A method for routing messages, comprising: monitoring the status of a communication link between a mobile unit and a stationary unit; receiving a message; and routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 17
Independent Claim
72 words
A method for routing messages, comprising: monitoring the status of a communication link between a mobile unit and a stationary unit; receiving a message; and routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 18
Dependent Claim
26 words
The method of claim 14 , wherein routing the message comprises routing the message to the mobile unit in response to the communication link being inactive.
Claim 19
Dependent Claim
25 words
The method of claim 14 wherein routing the message comprises routing the message to the stationary unit in response to the communication link being active.
Claim 20
Dependent Claim
42 words
The method of claim 14 , monitoring the status of the communication link comprises receiving a notification message from at least one of the stationary unit and the mobile unit in response to a change in the status of the communication link.
Claim 21
Dependent Claim
34 words
The method of claim 14 , further comprising: communicating with the stationary unit via a communication network coupled to the stationary unit; and communicating with the mobile unit via a wide area network connection.
Claim 22
Dependent Claim
88 words
A program storage device encoded with instructions, that, when executed by a computer, perform a method for routing messages, the method comprising: monitoring the status of a communication link between a mobile unit and a stationary unit; receiving a message; and routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 23
Dependent Claim
88 words
A program storage device encoded with instructions, that, when executed by a computer, perform a method for routing messages, the method comprising: monitoring the status of a communication link between a mobile unit and a stationary unit; receiving a message; and routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 24
Dependent Claim
76 words
A communications system, comprising: means for monitoring the status of a communication link between a mobile unit and a stationary unit; means for receiving a message; and means for routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.
Claim 25
Dependent Claim
76 words
A communications system, comprising: means for monitoring the status of a communication link between a mobile unit and a stationary unit; means for receiving a message; and means for routing the message to one of the stationary unit and the mobile unit based on the status of the communication link and transmitting a copy of the message to the other of the stationary unit and the mobile unit to keep the stationary and mobile units synchronized.