Communication terminal device, communication method and electronic mail server
First Claim
1. A communication terminal device comprising:
- means for establishing a connection by a call control protocol with a destination device designated by an Internet Protocol (IP) telephone number;
means for determining whether or not the connection has been established;
means for transmitting electronic mail in real-time and directly to the destination device over the connection when the connection is established;
means for transmitting the electronic mail to a mail server when the means for determining determines that the connection failed to be established; and
means for storing an IP telephone number and an electronic mail address by associating with one another;
wherein a prescribed electronic mail address is the electronic mail address stored by the means for storing by being associated with the IP telephone number of the destination device.
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Accused Products
Abstract
A communication terminal device includes a connection establishing unit which establishes a connection by a call control protocol with a destination device designated by an IP telephone number, a communication protocol requesting unit which request a presentation of a plurality of communication protocols which can be supported by the destination device over the connection, a communication protocol selecting unit which selects one communication protocol which the communication terminal device itself can support from the communication protocols presented from the destination device as a response to the request by the communication protocol requesting unit, and a communication unit which communicates with the destination device over the connection by the communication protocol selected by the communication protocol selecting unit.
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Citations
10 Claims
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1. A communication terminal device comprising:
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means for establishing a connection by a call control protocol with a destination device designated by an Internet Protocol (IP) telephone number; means for determining whether or not the connection has been established; means for transmitting electronic mail in real-time and directly to the destination device over the connection when the connection is established; means for transmitting the electronic mail to a mail server when the means for determining determines that the connection failed to be established; and means for storing an IP telephone number and an electronic mail address by associating with one another; wherein a prescribed electronic mail address is the electronic mail address stored by the means for storing by being associated with the IP telephone number of the destination device. - View Dependent Claims (2)
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3. A communication method comprising the steps of:
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establishing a connection by a call control protocol with a destination device designated by an Internet Protocol (IP) telephone number; determining whether or not a connection has been established in the step of establishing; requesting a presentation of a plurality of communication protocols which the destination device can support over the connection when it has been determined that the connection is established in the step of determining; selecting one communication protocol which the communication terminal device can support from communication protocols presented from the destination device as a response to the request; transmitting electronic mail in real-time and directly to the destination device over the established connection by selected communication protocol; and transmitting electronic mail to a mail server when it is determined in the step of determining that a the connection failed to be established.
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4. A communication terminal device comprising:
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means for establishing a first connection by a call control protocol with a transmitter device that called the communication terminal device by an Internet Protocol (IP) telephone number; means for receiving a first electronic mail transmitted in real-time and directly from the transmitter device over the first connection; means for extracting an IP telephone number from the first electronic mail; and means for storing the extracted IP telephone number. - View Dependent Claims (5)
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6. A communication method comprising the steps of:
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establishing a first connection by a call control protocol with a transmitter device that called a communication terminal device; receiving a first electronic mail transmitted in real-time and directly from the transmitter device over the first connection; extracting an Internet Protocol (IP) telephone number from the first electronic mail received in the step of receiving; establishing a second connection by the call control protocol with the transmitter device that the communication terminal device calls by the extracted IP telephone number; and transmitting to the transmitter device over the second connection, a second electronic mail of a reception confirmation for the first electronic mail in real-time and directly.
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7. An electronic mail server comprising:
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means for establishing a connection by a call control protocol with a destination device designated by an Internet Protocol (IP) telephone number; means for transmitting electronic mail in real-time and directly over the connection and designating a destination device by the IP telephone number when receiving electronic mail to be forwarded; means for determining whether or not the connection has been established; and means for transmitting the electronic mail to a destination mail server when the means for determining determines that the connection fails to be established. - View Dependent Claims (8, 9)
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10. A communication method comprising the steps of:
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receiving an electronic mail from a mail client including with a specific information included in communication information of the received electronic mail or electronic mail information; deciding an Internet Protocol (IP) telephone number corresponding the specific information; establishing a connection by a call control protocol by designating a destination device by the Internet Protocol (IP) telephone number; and transmitting the received electronic mail received in real-time and directly over the established connection.
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Specification