1. An entrepreneur communication apparatus (10) of an entrepreneur, wherein the entrepreneur communication apparatus relays communication with a communication apparatus of an end user in a communication system managed by the entrepreneur, and the entrepreneur communication apparatus comprising: a radio sending and receiving unit (105) that communicates with another entrepreneur communication apparatus via a radio transmission path, sends and receives a user signal to and from another apparatus, where the user signal is required for the end user to perform communication; a manager function unit (102, 109, 110) that outputs to the radio sending and receiving unit a first control signal used for controlling the radio sending and receiving unit; a monitor unit (112) that monitors a license of the entrepreneur communication apparatus; and a limitation unit (121, 122, 123) that disconnects the first control signal to be output to the radio sending and receiving unit when the license has expired, wherein the user signal is not restricted when the license has expired, and wherein the license is associated with the radio sending and receiving unit.

2. The entrepreneur communication apparatus (10) in accordance with claim 1, wherein the manager function unit (102, 109, 110) transmits a manager signal used by the manager to perform communication, and the limitation unit (121, 122, 123) blocks the transmission of the manager signal when the license has expired.

3. The entrepreneur communication apparatus (10) in accordance with claim 1, wherein the manager function unit (102, 109, 110) updates settings of the entrepreneur communication apparatus based on a second control signal generated by the another apparatus, and the limitation unit (121, 122, 123) blocks the second control signal input into the manager function unit when the license has expired.

4. The entrepreneur communication apparatus (10) in accordance with claim 1, further comprising: a transmission path monitoring unit (107) that detects occurrence of an abnormal state and generates apparatus alarm information, where the information contains an alarm that indicates occurrence of the abnormal state, and radio transmission path state information that relates to the abnormal state.

5. The entrepreneur communication apparatus (10) in accordance with claim 4, wherein the manager function unit (102, 109, 110) performs notification of occurrence of the abnormal state and display of the radio transmission path state information; and the limitation unit (121, 122, 123) disables the notification and the display when the license has expired.

6. The entrepreneur communication apparatus (10) in accordance with claim 4, wherein the manager function unit (102, 109, 110) transmits the apparatus alarm information to the another apparatus, and the limitation unit (121, 122, 123) disconnects the apparatus alarm information to be output to the another apparatus.

7. The entrepreneur communication apparatus (10) in accordance with claim 1, further comprising: a log storage unit (1071) that stores transmission path state information which indicates a state of a transmission path for the transmission user signal, wherein the limitation unit (121, 122, 123) blocks the stored transmission path state information to be output from the log storage unit.

8. The entrepreneur communication apparatus (10) in accordance with claim 5, wherein when detecting occurrence of the abnormal state which makes it difficult to send and receive the user signal, the limitation unit (121, 122, 123) does not disable the notification of occurrence of the abnormal state and the display of the radio transmission path state information even if the license has expired.

9. A communication method that performs communication with a communication apparatus (10) of an end user, wherein the communication is performed via relay by an entrepreneur communication apparatus of an entrepreneur in a communication system managed by the entrepreneur, and the communication method comprises: performing a radio sending and receiving function to communicate with another entrepreneur communication apparatus via a radio transmission path; sending and receiving a user signal to and from the another apparatus using the radio sending and receiving function, where the user signal is required for the end user to perform communication; performing a manager function provided to a manager of the entrepreneur communication apparatus, where the manager function includes outputting to the radio sending and receiving function a first control signal used for controlling the radio sending and receiving function; monitoring a license of the entrepreneur communication apparatus; and disconnecting the first control signal to the radio sending and receiving function when the license has expired, wherein the sending and receiving the user signal is not restricted when the license has expired, and wherein the license is associated with the radio sending and receiving function.

10. A radio relay communication device (10) comprising: a radio sending and receiving unit (105) that sends input data to an opposing radio relay communication device by a transmitted radio signal and receives a received radio signal from the opposing radio relay communication device; a transmission path monitoring unit (107) that monitors the received radio signal and generates an alarm if the received radio signal is lower than a threshold; a controlling unit (108) that controls a line switching based on the alarm; a license monitoring unit (112) that determines whether or not the radio relay communication device is operating in accordance with a license; and a limitation unit (123) controls that the alarm is hidden after determining the radio relay communication device is not operating in accordance with the license, wherein the transmitted radio signal and the received radio signal are not disconnected after determining the radio relay communication device is not operating in accordance with the license, and wherein the license is associated with sending the transmitted radio signal and receiving the received radio signal.

11. A radio relay communication method performed by a radio relay communication device (10), the radio relay communication method comprising: sending input data to an opposing radio relay communication device by a transmitted radio signal; receiving a received radio signal from the opposing radio relay communication device; monitoring the received radio signal; generating an alarm if the received radio signal is lower than a threshold; controlling a line switching based on the alarm; monitoring whether or not the radio relay communication device has a license; and controlling that the alarm is hidden after expiration of the license, wherein the transmitted radio signal and the received radio signal are not disconnected after expiration of the license, and wherein the license is associated with sending the transmitted radio signal, and receiving the received radio signal.

WE CLAIM:
1. An entrepreneur communication apparatus (10) of an entrepreneur, wherein
the entrepreneur communication apparatus relays communication with a
communication apparatus of an end user in a communication system managed by the entrepreneur, and the entrepreneur communication apparatus comprising:
a radio sending and receiving unit (105) that communicates with another entrepreneur communication apparatus via a radio transmission path, sends and receives a user signal to and from another apparatus, where the user signal is required for the end user to perform communication;
a manager function unit (102, 109, 110) that outputs to the radio sending and receiving unit a first control signal used for controlling the radio sending and receiving unit;
a monitor unit (112) that monitors a license of the entrepreneur communication apparatus; and
a limitation unit (121, 122, 123) that disconnects the first control signal to be output to the radio sending and receiving unit when the license has expired,
wherein the user signal is not restricted when the license has expired, and
wherein the license is associated with the radio sending and receiving unit.
2. The entrepreneur communication apparatus (10) in accordance with claim 1, wherein
the manager function unit (102, 109, 110) transmits a manager signal used by the
manager to perform communication, and
the limitation unit (121, 122, 123) blocks the transmission of the manager signal when the license has expired.
3. The entrepreneur communication apparatus (10) in accordance with claim 1, wherein
the manager function unit (102, 109, 110) updates settings of the entrepreneur
communication apparatus based on a second control signal generated by the another apparatus, and
the limitation unit (121, 122, 123) blocks the second control signal input into the manager function unit when the license has expired.
4. The entrepreneur communication apparatus (10) in accordance with claim 1, further

comprising:
a transmission path monitoring unit (107) that detects occurrence of an abnormal state and generates apparatus alarm information, where the information contains an alarm that indicates occurrence of the abnormal state, and radio transmission path state information that relates to the abnormal state.
5. The entrepreneur communication apparatus (10) in accordance with claim 4, wherein
the manager function unit (102, 109, 110) performs notification of occurrence of the
abnormal state and display of the radio transmission path state information; and
the limitation unit (121, 122, 123) disables the notification and the display when the license has expired.
6. The entrepreneur communication apparatus (10) in accordance with claim 4, wherein
the manager function unit (102, 109, 110) transmits the apparatus alarm information
to the another apparatus, and
the limitation unit (121, 122, 123) disconnects the apparatus alarm information to be output to the another apparatus.
7. The entrepreneur communication apparatus (10) in accordance with claim 1, further
comprising:
a log storage unit (1071) that stores transmission path state information which indicates a state of a transmission path for the transmission user signal,
wherein the limitation unit (121, 122, 123) blocks the stored transmission path state information to be output from the log storage unit.
8. The entrepreneur communication apparatus (10) in accordance with claim 5, wherein
when detecting occurrence of the abnormal state which makes it difficult to send and
receive the user signal, the limitation unit (121, 122, 123) does not disable the notification of occurrence of the abnormal state and the display of the radio transmission path state information even if the license has expired.
9. A communication method that performs communication with a communication
apparatus (10) of an end user, wherein

the communication is performed via relay by an entrepreneur communication apparatus of an entrepreneur in a communication system managed by the entrepreneur, and the communication method comprises:
performing a radio sending and receiving function to communicate with another entrepreneur communication apparatus via a radio transmission path;
sending and receiving a user signal to and from the another apparatus using the radio sending and receiving function, where the user signal is required for the end user to perform communication;
performing a manager function provided to a manager of the entrepreneur communication apparatus, where the manager function includes outputting to the radio sending and receiving function a first control signal used for controlling the radio sending and receiving function;
monitoring a license of the entrepreneur communication apparatus; and
disconnecting the first control signal to the radio sending and receiving function when the license has expired,
wherein the sending and receiving the user signal is not restricted when the license has expired, and
wherein the license is associated with the radio sending and receiving function.
10. A radio relay communication device (10) comprising:
a radio sending and receiving unit (105) that sends input data to an opposing radio relay communication device by a transmitted radio signal and receives a received radio signal from the opposing radio relay communication device;
a transmission path monitoring unit (107) that monitors the received radio signal and generates an alarm if the received radio signal is lower than a threshold;
a controlling unit (108) that controls a line switching based on the alarm;
a license monitoring unit (112) that determines whether or not the radio relay communication device is operating in accordance with a license; and
a limitation unit (123) controls that the alarm is hidden after determining the radio relay communication device is not operating in accordance with the license,
wherein the transmitted radio signal and the received radio signal are not disconnected after determining the radio relay communication device is not operating in accordance with the license, and

wherein the license is associated with sending the transmitted radio signal and receiving the received radio signal.
11. A radio relay communication method performed by a radio relay communication device (10), the radio relay communication method comprising:
sending input data to an opposing radio relay communication device by a transmitted radio signal;
receiving a received radio signal from the opposing radio relay communication device;
monitoring the received radio signal;
generating an alarm if the received radio signal is lower than a threshold;
controlling a line switching based on the alarm;
monitoring whether or not the radio relay communication device has a license; and
controlling that the alarm is hidden after expiration of the license,
wherein the transmitted radio signal and the received radio signal are not disconnected after expiration of the license, and
wherein the license is associated with sending the transmitted radio signal, and receiving the received radio signal.