WO2002013508A1

WO2002013508A1 - Telecommunications terminal for logging transactions

Info

Publication number: WO2002013508A1
Application number: PCT/EP2001/008898
Authority: WO
Inventors: Jörg Bruchertseifer; Karlheinz Hafner; Helmut Lucassen; Marco Van De Logt; Jörn Watzke
Original assignee: Siemens Aktiengesellschaft
Priority date: 2000-08-10
Filing date: 2001-08-01
Publication date: 2002-02-14

Abstract

In a telecommunications terminal (TEL), a data log (PRO) is derived and recorded in order to log an exchange of messages. The recorded data log (PRO) can be transmitted to destination addresses (AD1-AD8) using configurable messaging services of a fixed network (PSTN).

Description

description

Telecommunication terminal for logging transactions

The invention relates to a telecommunication terminal which is set up to exchange messages with another telecommunication device via a terminal device interface and a line-bound network, with a control device, a memory device, an input, an output and a transmitting / receiving unit which are used to transmit a message is set up to another telecommunications terminal.

Various services are offered on new types of fixed network communication terminals, for example from banks in the form of telebanking or from department stores in the form of orders based on the transmission of specific information and messages. When using such services on the part of the customer, the wish often arises to have evidence of the message transmission carried out in the sense of a record of the content of this transmission. In the following, in order to avoid confusion with the term protocol, as is usually used in communications technology, the recording of the content of a message transmission is referred to as the data protocol of this message transmission.

In principle, it is possible to print out such a data protocol via a printer interface of a fixed network communication terminal which is connected to a printer. However, this has the disadvantage that the fixed network communication terminal must have such an interface. The printed data log is not accessible for further data processing, especially electronic, or only with considerable effort (eg scanning and text entry). ω U) NJ MP ¹ P »

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is set up to start recording the data log after entering a specific command.

In order to enable a recording to be terminated before the end of the relevant data exchange, the control device is advantageously set up to end the recording of the data log when a further specific command is entered. In order to increase the user-friendliness, a termination input is required to enter the specific command to end the recording of the data log, e.g. a button provided.

An advantageous embodiment consists in the control device being set up to forward the data protocol stored in the storage device to the transmitting / receiving unit when a further command is entered. This gives the user the option of entering additional destination addresses after recording the data log.

The user friendliness can be further increased by the fact that a specific forwarding input, for example, for entering the command for forwarding the data protocol. a button is provided.

If a destination address to which the recorded data protocol is to be transmitted is assigned, for example, to a mobile radio telephone, it is advantageous if at least one of the messaging services is an SMS service.

However, if the destination address is assigned to a computer that is connected to the Internet, it is advantageous if at least one of the messaging services is an email service.

If the recorded data protocol is to be transmitted to a fax machine, it is advantageous if at least one of the messaging services is a fax service. The invention and further advantages are explained in more detail below using an exemplary embodiment which is illustrated in the drawing. These show in schematic form

Figure 1 is a schematic diagram of a telecommunications system with a fixed network telecommunications terminal according to the invention.

Fig. La the structure of the telecommunications terminal of Fig. L;

2 shows an input mask for destination addresses and type of transmission;

3 shows an input mask for a bank transfer;

4 shows a representation of the layer model (SI model) between the telecommunication terminal according to the invention and a short message service center;

5 shows a flowchart for a connection establishment initiated by the telecommunications terminal in accordance with an embodiment of the invention;

6 shows a flowchart for a connection establishment initiated by a short message service center according to an embodiment of the invention;

7 shows the structure of a message at the start of the procedure on the connection management layer, and FIG. 8 shows the message format on the data connection layer.

Of course, the embodiment of the invention shown below has only exemplary character and should not be understood as restricting the invention. CO Cd tO) P ¹ - P ¹

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For example, a display ANZ is provided for data output.

An example of such an input mask is given in FIG. 2. In addition to a field with the destination addresses AD1, AD2, AD3, AD4, AD5, AD6, AD7, AD8, fields with the individual transmission types are provided. The desired type of transmission can be selected using the TAS keyboard, for example. The transmission of the recorded data protocol PRO to the various previously configured target addresses AD1, AD2, AD3, AD4, AD5, AD6, AD7, AD8 takes place automatically, for example, in the manner provided for this purpose.

For example, a telephone or fax number, an email address etc. can be entered as the destination address AD1-AD8. In the embodiment shown, however, care must be taken that the specified destination address AD1-AD8 formally corresponds to the selected transmission type. For example, it should be ensured that a fax transmission is not selected as the transmission type when an e-mail address is specified.

The data protocol is stored, for example, as a text message in a memory SPR of the telecommunication terminal TEL and the destination addresses AD1-AD8 in a second memory SP2. The type of transmission, e.g. as e-mail or fax, etc., can be prefixed, for example, as a prefix to the saved destination address AD1-AD8.

After a specific command has been entered, the stored data protocol can be forwarded by a control device STR to a transmitting / receiving device SEE. From there, the data protocol is transmitted to the addressees clearly defined by the target addresses AD1-AD8 in the predetermined transmission type. d Cd to ro P ¹ P ¹ cn O Cn o cn o cn rt Ö Λ Pl CL CL <! P ö cn P ö P cn rt ι TJ cn - fd Z Hl CL csi <! tr • ö ι_ι. C PL csi Ti

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The data protocol PRO is transmitted within the fixed network PSTN via a circuit-switched dial-up connection. Outside the fixed network PSTN, the message can be transmitted by means of data packet switching.

Since the transmission of a fax or an e-mail message via a public line-bound telecommunications network can be assumed to be known, the transmission scheme from a landline telecommunications terminal TEL to a destination address AD8 via a short message is to be based on an SMS message. Service center SM SC are shown. The following explanations for the explanation of the invention relate to the interaction of these components.

4 shows the associated S1 layer model, above the physical layer (not shown here). The layer structure u initially includes a data link layer DL (data link layer), which is specified in more detail below, and furthermore the data link layer known per se from the GSM SMS standard

Layers of connection manager CM (connection manager), short message relay layer SM-RL (SM relay layer) and short message transfer layer SM-TL (SM transfer layer) and - on the end device side - application.

The protocol description of the layers SM-TL, SM-RL and CM can be found in the ETSI documents GSM 03.40 and GSM 04.11.

The basic requirement for the transmission of short messages

(Short messages) via the fixed network PSTN is a switching connection between the units involved (telecommunications terminals and short message service center). It is then irrelevant whether the units are connected via ISDN or an analog interface. FIGS. 5 and 6 schematically show the establishment of a connection, starting from a telecommunication terminal TEL (FIG. 4) or starting from the short message service center SM SC (FIG. 5). These diagrams are self-explanatory for the person skilled in the art and therefore require no further explanation.

In the case of an ISDN network, the messages are functional and are transmitted in the ISDN D channel. An analog network is a call impulse and busy signal. To

Establishing the connection, all information between the units is transmitted via FSK signaling in the voice band, especially in accordance with the ETSI specifications ETS 300 659-2.

7 shows the setup of an additional message CP CONNECT, which is used to notify the calling unit of the called unit of the establishment of the connection. This notification is required in order to start the processes in the CM layer. The message type coding is: 0x40 0100 0000B, and the format follows GSM 04.7 / Chapter 11.

Layer DL enables the connection manager (layer CM) to send and receive messages with the partner unit, it provides bit error detection and implements an announcement signal (mark signal) for a message in layer CM.

Figure 8 shows the format of a message in the data link layer. The ^Nλ Mark Signal * field consists of a block of 80 +/- 25 bits. The "Message Type" field comprises an octet and contains a binary-coded identification number for the message. The coding for a DL_SMS_ERROR message type is: 012H 0001 0010 B. The "Message Length *" field contains one octet and contains the binary-coded number of octets of the message (with the exception of the octets of the message type, the message length and the checksum). Overall, a message length of up to 255 octets is allowed. The field "Checksum ¹ ' ¹ comprises an octet and contains the two complements of the sum of all octets in the message, starting from the" Message T pe * - octet to the end modulo 256.

In the event of a checksum error, the data link layer of the receiving unit sends a message of the type “DL_SMS_ERROR * to the (original) sending unit. In this message, the data field is empty and the message length is set to zero. The data link layer of the sending unit then has to repeat the last message sent.

Regarding the physical layer, it should also be noted that in the case of FSK signaling, half-duplex 1200 baud modulation can be used. In the case of DTMF signaling, the announcement signal of the DL message is omitted.

There are various possible combinations with regard to the signaling method; Normally, a selection is permanently installed in the telecommunication terminal, which the user can then no longer change.

Claims

claims

1. Telecommunication terminal (TEL), which is set up to exchange messages with another telecommunication device (TER), with a control device (STE), a memory device (SPR), an input, via a terminal device interface (TSS) and a line-bound network (PSTN) (EIG), an output (AUS) and a transmitting / receiving unit (SEE), which is set up to send a message to another telecommunications terminal, characterized in that the control device (STR) is set up to carry out a message exchange derive a data protocol (PRO) from the latter and record it in the memory device (SPR), as well as the data protocol (PRO) stored in the memory device (SPR) and information relating to the transmission of the protocol (PRO) using at least one configurable messaging service of the wired telephone network (PSTN) to at least one configurable destination address

(AD1, AD2, AD3, AD4, AD5, ADβ, AD7, AD8) relate to the transmitting / receiving unit (SEE).

2. Telecommunications terminal (TEL) according to claim 1, characterized in that the control device (STR) is set up to start recording the data protocol (PRO) after entering a specific command.

3. Telecommunication terminal according to claim 2, characterized in that for entering the command for data protocol recording, a record input (UP), e.g. a button is provided.

4. Telecommunications terminal (TEL) according to one of claims 1 to 3, characterized in that the Steuerein- direction (STR) is set up to end the recording of the data protocol (PRO) when a further specific command is entered.

5. Telecommunication terminal (TEL) according to claim 4, characterized in that for entering the specific command to end the recording of the data protocol (PRO) a termination input (BEE), e.g. a button is provided.

6. Telecommunication terminal (TEL), according to one of claims 1 to 5, characterized in that the control device is set up to store the data protocol (PRO) stored in the memory device (SPR)

Submit another specific command to the transmitter / receiver unit (SEE).

7. Telecommunications terminal according to claim 6, d a d u r c h g e k e n n z e i c h n e t that for entering the

Command for forwarding the data protocol (PRO) a forwarding input (WEI), e.g. a button is provided.

8. Telecommunication terminal according to one of claims 1 to 7, characterized in that at least one of the messaging services is an SMS service.

9. Telecommunication terminal according to one of claims 1 to 8, characterized in that at least one of the messaging services is an e-mail service.

10. Telecommunication terminal according to one of claims 1 to 9, characterized in that at least one of the messaging services is a fax service.