Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1996-06-17
1998-06-09
Chan, Wing F.
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
H04M 1100
Patent
active
057647356
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention concerns a device for the simultaneous transmission of several types of information. In future telecommunication networks the transmission of information will take place via intelligent terminals. These are capable of sending information such as speech, data or facsimile simultaneously. For an unknown period of time there will also be older terminals in the telecommunication networks which can only send one type of information at a time.
PRIOR ART
Today's telecommunication networks send information between two equivalent terminals. An example of this is transmission between two computer terminals, two or more telephones, etc. Intelligent networks have been introduced or are planned in various places in the world. Network databases, SCP, are set up in the intelligent networks. The network databases are used by the network for memorizing what facilities various subscribers have in their respective terminals. The network databases are also used in the event of onward connection of calls to another service.
U.S. Pat. No. 5,018,191 describes a method for connecting different types of calls. The invention allows the users to send information other than speech without using special call numbers. The usual call number is used by the caller, who is equipped with an intelligent terminal, whereupon an indicator shows which type of transmission is involved. The information is translated into the designated recipient number and the connection then takes place. In this case the transmission concerns only one type of communication at a time and it is not considered feasible to change the type of communication while the call is in progress.
U.S. Pat. No. 5,023,868 describes a device for the automatic connection of calls. The device includes a computer which has been connected to an exchange. A number of terminals are connected to the exchange. When a call reaches the system, the computer initiates a call connection to an alternative destination depending for example upon the type of call.
U.S. Pat. No. 5,008,930 concerns the onward connection of calls consisting of speech and data. In the onward connection of a call from one terminal consisting of a telephone and a computer terminal to another, the second station's terminal number is sent to the host database which then obtains the identity of the relevant computer terminal from a table.
DESCRIPTION OF THE INVENTION TECHNICAL PROBLEM
In the future, intelligent terminals will be capable of sending different types of information simultaneously. This means that speech, data, images, etc., will be sent simultaneously between the terminals while the communication is in progress. In those cases where either party is not equipped with an intelligent terminal, the problem arises of, for example, where to address the information. Depending upon where the subscriber is situated, the information can be received at different reception locations.
The user of the intelligent terminal wishes to use the supplementary information to initiate the required communication without needing to look up and call the reception location via special call numbers. In the intelligent network, information concerning the subscribers' telephone numbers for different facilities is stored in the network database. Information concerning the subscriber's alternative residences is also stored in the network database. This information is required to be used regardless of where the subscriber is located.
A person communicating via an intelligent terminal can request connection to one or more facilities at the receiver upon initiating the connection, or may want to connect further facilities while the call is in progress. It is, therefore, necessary to be able to initiate new facilities while the communication is in progress. In addition, it is desirable for one and the same call number to be used when initiating a communication regardless of what facility/facilities is/are to be used. It is also desirable that the subscriber does not need to think about what facilitie
REFERENCES:
patent: 4837797 (1989-06-01), Freeny, Jr.
patent: 4955019 (1990-09-01), Mizuhara et al.
patent: 4998248 (1991-03-01), Matsuzaki
Chan Wing F.
Telia AB
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