Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
1999-05-24
2003-09-23
Kizou, Hassan (Department: 2662)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C379S202010, C709S204000, C709S227000
Reexamination Certificate
active
06625140
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to communication terminals, and more particularly to a communication terminal that is applicable for communication to be made through a network.
2. Description of the Prior Art
There is known an Internet Phone offered by VocalTec Communications Ltd. which is software to enable telephonic communication through utilizing the Internet. If a communication terminal having such software installed thereon, is connected to the Internet, and then this software is started Lip on the Internet, the comminucation terminal is put into connection to a call center (repeater). In this state, if a global on-line directory is clicked, a list is displayed including other communication terminals now currently connected to the call center. If a desired communication terminal is opted from this list, its own communication terminal is brought into connection to that desired communication terminal via the call center. With the Internet Phone, it is possible to make telephonic communication with an opposite of communication in the above manner.
However, the global on-line directory has an entry including all the communication terminals currently connected to the call center. As a consequence, there existed difficulty in searching for a particular terminal from among those of the director.
SUMMARY OF THE INVENTION
Therefore, it is a primary object of the present invention to provide a communication terminal which is capable of easily searching for a particular communication terminal.
It is another object of the present invention to provide a repeater which can cooperate with such a communication terminal.
It is further object of the present invention to provide another communication terminal which can cooperate with such a communication terminal.
It is still another object of the present invention to provide peripheral equipment which can cooperate with such communication terminal.
It is another object of the present invention to provide a computer-readable recording medium with which a particular opposing communication terminal can be easily searched for.
According to the present invention, a communication terminal for implementing communication through a repeater comprises: a memory holding an identifier; an establishing means for establishing a state of connection to the repeater; a first receiving means for receiving from the repeater an identifier to another communication terminal connected to the repeater; a search means for searching for a particular identifier associated with the identifier held in the memory from among a plurality to identifiers received by the receiving means; and a display means for displaying a predetermined character depending upon a result of search by the search means.
If a state of connection to the repeater is established, an identifier of another communication terminal connected to the repeater is received from the repeater by the first receiving means. The search means searches for a particular identifier associated with the identifier held in the memory from among a plurality of identifiers received by the first receiving means. The display means displays a predetermined character depending on a result of search by the search means.
In this manner, because the search means searches for a particular identifier from a plurality of identifiers and the display means displays a predetermined character depending on a result of search by the search means, it is possible to easily find a particular person at the other side of communications.
In one aspect of the present invention, the establishing means transmits a request to establish the connection state together with the identifier held in the memory to the repeater.
In another aspect of the present invention, if an accepting means accepts a communication start instruction, a request means requests to the repeater to start a communication with a particular communication terminal corresponding to the particular identifier in response to the communication start instruction, and a communication processing means performs communication processing with the particular communication terminal. Incidentally, the communication start instruction is input by selecting a character.
In one embodiment of the present invention, if a second receiving means receives a new identifier transmitted from the particular communication terminal, a write means writes the new identifier to the memory. This causes the current identifier held in the memory to be updated by the new identifier. Incidentally, the character to be displayed by the display possesses a shape corresponding to the identifier held in memory.
According to the present invention a repeater for repeating communication between a plurality of communication terminal, comprises: an establishing means for establishing state of connection with a communication terminal; a memory for holding an identifier of a communication terminal established in the connection state; a transmitting means for transmitting an identifier of a communication terminal being in a standby state to the communication terminal established in the connection state; and a relay processing means for performing relay processing with a desired communication terminal in response to a communication start request from the communication terminal established in the connection state.
If a state of connection to a communication terminal is established an identifier for this communication terminal is held in the memory. The transmitting means transmits an identifier for a communication terminal being in a standby state to the communication terminal thus established in connection state. The relay processing means makes relay processing for a desired communication terminal in response to a communication start request from the communication terminal established in the connection state. Incidentally, the standby state is a state that a connection state is established but not in communication.
According to the present invention, a communication terminal for implementing communication through a repeater, comprises: a memory for holding an identifier;
an establishing means for transmitting the identifier to the repeater and establishing a state of connection to the repeater; a receiving means for receiving through the repeater a Communication start request transmitted from another communication terminal; a communication processing means for performing communication processing with the other communication terminal in response to the communication start request: and a transmitting means for transmitting a new identifier different from the identifier to the other communication terminal when a predetermined relation is established to the other communication terminal.
If the establishing means transmits an identifier to the repeater to establish a state of connection to the repeater and the receiving means receives through the repeater a communication start request transmitted from another communication terminal, the communication processing means performs communication processing with the other communication terminal. If a predetermined relation is established to the other communication terminal, the transmitting means transmits a new identifier different from the identifier held in the memory to the other communication terminal.
In one embodiment of the present invention, the identifier includes at least torso category codes, one of the category codes representing a category that includes the category represented by the other category code. Further, the identifier held in the memory is different from the new identifier at least in the category code representative of a minimal or subset category.
According to the present invention, a computer readable recording medium for recording a program to be executed by a communication terminal for implementing communication through a repeater, the program comprising: an establishing step for establishing a state of connection to the repeater; a first receiving step for receiving from the repeater an identifier of another co
Armstrong Westerman & Hattori, LLP
Kizou Hassan
Ly Ahn-Vu H
Sanyo Electric Co,. Ltd.
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