WO2001026310A1 - Verfahren und vorrichtung zur nachrichtenübertragung - Google Patents
Verfahren und vorrichtung zur nachrichtenübertragung Download PDFInfo
- Publication number
- WO2001026310A1 WO2001026310A1 PCT/DE2000/002780 DE0002780W WO0126310A1 WO 2001026310 A1 WO2001026310 A1 WO 2001026310A1 DE 0002780 W DE0002780 W DE 0002780W WO 0126310 A1 WO0126310 A1 WO 0126310A1
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- WIPO (PCT)
- Prior art keywords
- terminal
- message
- adaptation device
- messages
- center
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/06—Message adaptation to terminal or network requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/06—Message adaptation to terminal or network requirements
- H04L51/066—Format adaptation, e.g. format conversion or compression
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/18—Information format or content conversion, e.g. adaptation by the network of the transmitted or received information for the purpose of wireless delivery to users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/21—Monitoring or handling of messages
- H04L51/212—Monitoring or handling of messages using filtering or selective blocking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/21—Monitoring or handling of messages
- H04L51/224—Monitoring or handling of messages providing notification on incoming messages, e.g. pushed notifications of received messages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/58—Message adaptation for wireless communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
- H04M3/5307—Centralised arrangements for recording incoming messages, i.e. mailbox systems for recording messages comprising any combination of audio and non-audio components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
- H04M3/533—Voice mail systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
Definitions
- the invention is based on a method for transmitting messages between at least one center and a terminal and on an adaptation device therefor according to the type of the independent claims.
- messages are generated by a so-called mail client and with the so-called SMTP (Simple Mail Transfer Protocol) in accordance with RFC 821 (Request for Command) of the IETF (Internet Engineering Task Force) or with the ESMTP (Enhanced Simple Mail Transfer Protocol) according to RFC 1869 of the IETF via the Internet to a mail server of a recipient.
- SMTP Simple Mail Transfer Protocol
- RFC 821 Request for Command
- ESMTP Enhanced Simple Mail Transfer Protocol
- Recipients also access the sent message using a mail client.
- Appropriate protocols are used to access the sent message, e.g. the POP (Post Office Protocol) according to RFC 1729 of the IETF or the IMAP (Internet Message Access Protocol) according to RFC 2060 of the IETF or manufacturer-specific protocols. These protocols regulate the exchange of messages between the recipient and the mail server, such as the logging in of a mail client to the mail server, the authentication of the mail client, etc.
- To transmit the messages from the mail server to the mail Client mostly uses SMTP or ESMTP.
- the mail client checks the mail server sporadically or regularly. This process is also known as polling. If the mail client detects messages present on the mail server for the user of the mail client, it signals this to the user. The user can then initiate access to the messages stored for him on the mail server.
- Initiating access is also referred to as pull mode.
- the messages are then transferred from the mail server to the mail client and can be played back there for the user.
- the method described is essentially intended for leased lines in which the mail client has a permanent connection or a connection with relatively short time interruptions to the mail server.
- SMTP was originally only intended for text messages.
- MIME Multiporpose Internet Mail Extensions
- attachments can have any format and are not restricted to text messages. However, these attachments are transcoded for transmission in such a way that they can also be transmitted in the form of simple text messages.
- the SMS service (Short Message Service) according to the GSM standard (Global System for Mobile Communications), GSM 03.40 ETSI differs fundamentally from the Internet e-mail service described. He's only on Text messages are limited to a maximum length of 160 characters, with extensions consisting of concatenating several such text messages.
- the SMS service is also based on the fact that the text messages are transmitted from an SMS transmitter to an SMS server, which then automatically transmits them to a mobile terminal. This process is also known as push mode. If the mobile device is not available in the cellular network, for example because it is switched off, the text message is buffered in the SMS server. If the mobile device can then be reached again in the following, this is signaled to the SMS server and this then automatically starts the transmission of the text message to the mobile device.
- the method according to the invention and the adaptation device according to the invention with the features of the independent claims have the advantage that the message exchange is controlled by an adaptation device between the at least one center and the terminal depending on at least one specification of the terminal or the at least one center.
- the adaptation device enables centers or servers of various services to be adapted to a terminal without a direct connection between the terminal and the respective center and without the need for service-specific and thus different protocols between the terminal and the respective center must be transferred.
- the corresponding center is not visible to the terminal, but only the adaptation device.
- the end device can adapt to the properties and scope of services of the end device or to the requirements of the respective center. In this way, the message exchange can be individually and flexibly optimized depending on the user specifications or the device properties for each connection to be set up between a control center and a terminal.
- the adaptation device eliminates service-specific features for the message exchange between the terminal and the corresponding center and replaces them with user-specific features that can be defined for the transmission of the messages to the terminal by specifying the terminal or the user of the terminal.
- the user of the terminal can advantageously transmit a mode independently used service are specified so that by means of the adaptation device, for example, a pull mode can be implemented in the SMS service or a push mode in the Internet e-mail service.
- Adaptation device several messages, in particular from different centers, combined to be transmitted to the terminal in different modes. In this way, the clarity for the user when receiving the messages is increased and it is prevented that the terminal must be activated several times to receive the messages from different centers.
- Adaptation device depending on the specification of the terminal, individual parts of a message consisting of several elements are segmented and processed. In this way, automatic user-specific preprocessing of such messages can be implemented, which does not require any input by the user on the terminal, as long as the specification for the processing of such messages should not be changed.
- a plurality of different data records are specified by a user of the terminal for different functionalities that can be implemented with the terminal and stored in a memory device assigned to the adaptation device.
- the exchange of messages between the respective center and the terminal can be adapted to the properties and the scope of performance of various terminal configurations via the adaptation device.
- Transfer adaptation device but only m selected in the storage device, thereby saving transmission capacity.
- a data record is selected by the user of the terminal, that the identifier identifying the selected data record is transmitted from the terminal to the adaptation device, that the adaptation device checks whether a data record with the received identification m is stored in the storage device, and that if there is a data record m belonging to the received identifier of the storage device, this data record is selected.
- the adaptation device checks whether a data record with the received identification m is stored in the storage device, and that if there is a data record m belonging to the received identifier of the storage device, this data record is selected.
- the data records are numbered in the order in which they are stored in the storage device, the respective identifier of the data records being formed from this numbering.
- the identifiers formed in this way each being designed as a number and therefore requiring particularly little transmission capacity for their transmission.
- FIG. 1 shows a schematic illustration of an integration of various information networks for an integral multimedia message service
- FIG. 2 shows a block diagram of an adaptation device according to the invention for carrying out the method according to the invention
- FIG. 3 shows a general representation of the protocol layers required for the message exchange according to the invention
- Figure 5 shows the protocol layers for the message exchange according to the invention in a second special embodiment
- Figure 6 shows the protocol layers for the message exchange according to the invention in a third special embodiment.
- MMS Multimedia Messaging Service
- GSM Global System for Mobile Communications
- an MM Multimedia Message
- an MM should not be limited to a specific size or to the display of text. Instead, an MM should support a wide range of media types.
- a central function in the MMS service is an adaptation device 15 referred to as an MMS relay.
- This element can be connected via various media to various types of centers 1, 2, 3, referred to as servers or service providers, such as, for example, email servers, fax servers, voice mailboxes, MMS servers or the like, as shown in FIG. It serves to make available to the user of the terminal 5 all of the information / messages which are present on the servers mentioned.
- the user of the terminal 5 thus has access to his emails which are on an email server, to faxes which are "waiting" for him on a fax server, and to voice messages which are on a Voice mailbox were recorded for him.
- the mobile user can compose messages and send them to the desired recipient via the MMS relay 15.
- FIG. 1 shows schematically an MMSE (Multimedia Messaging Service Environment), such as for
- the MMSE represents a system in which different new and existing services, such as in the Mobile radio telephony, fixed network telephony, the Internet and the like are integrated and the previous separation of the individual services within the various networks has been eliminated represented as a fixed network and identified by the term “fixed network”.
- the Internet service is shown and designated as Internet in FIG.
- the MMSE includes all of the networks or services shown.
- the MMSE comprises various service elements that can be flexibly implemented in any of the networks shown.
- the adaptation device 15 comprises a controller 30, to which a storage device 25 is connected. Furthermore, a fourth interface 20 to a terminal 5 is connected to the controller 30, the fourth interface 20 being, for example, an air interface or wireless interface and the terminal 5 being a mobile terminal, for example in the form of a cell phone.
- the exchange of data between the terminal 5 and the fourth interface 20 takes place via a telecommunication network 10 which, when the fourth interface 20 is designed as a wireless interface and the terminal 5 as a mobile terminal, can be designed as a mobile radio network.
- the telecommunications network 10 is a fixed network and the terminal 5 and the fourth interface 20 are wired.
- the fourth interface 20 is wireless and the terminal 5 is mobile
- a first interface 11, a second interface 12 and a third interface 13 are also connected to the controller 30.
- a first center 1 is connected to the adaptation device 15 via the first interface 11.
- a second center 2 is connected to the adaptation device 15 via the second interface 12.
- a third center 3 is connected to the adaptation device 15 via the third interface 13.
- Each of the control centers 1, 2, 3 offers one or more services.
- the services offered by the control centers 1, 2, 3 differ from one another in the exemplary embodiment described here. Now from one of the
- the terminal 5 does not have to establish a service-specific connection to the corresponding control center. Rather, the terminal 5 establishes a connection to the adaptation device 15 for each service to be used, which converts the various services of the control centers 1, 2, 3 for the terminal 5 into a uniform form.
- This uniform form can be specified by the terminal 5 or by a user of the terminal 5 and in the form of a data record from the terminal 5 via the
- Telecommunication network 10 transmitted to the adaptation device 15 and stored in the storage device 25.
- the first center 1 is to be provided as an example for an electronic mail service, such as e-mail.
- the second center 2 is to be provided as an example for an SMS service.
- the third center 3 is intended to be provided as an example for a fax-mail service.
- the terminal 5 should now, for example, in the The storage device 25 stores the specification that messages are to be transmitted from the adaptation device 15 to the terminal 5 in the form of SMS messages. Conversely, in another embodiment, correspondingly, SMS messages in the form of emails could also be transmitted from the adaptation device 15 to the terminal 5. Furthermore, the specification of the terminal 5 stored in the memory device 25 can provide for the messages to be transmitted from the adaptation device 15 to the terminal 5 in the pull mode described, that is to say only when requested by the terminal 5. An m of the first center 1 for the Terminal 5 incoming message is recognized by the controller 30 based on the corresponding signaling of the first center 1. The terminal 5 is then on the part of
- Adaptation device 15 via the telecommunications network 10 signals that there is a message for the terminal 5 m of the first center 1.
- the terminal 5 can then request the adaptation device 15 to transmit the message present to the first center 1.
- the controller 30 causes the first center 1 to transmit the message present for the terminal 5. If this message is present, for example, as an electronic post message, the controller 30 recognizes this.
- the controller 30 converts the electronic mail message into one or more SMS messages, depending on the length of the electronic mail message.
- This SMS message or these SMS messages can also be temporarily stored in the memory device 25 if required, for example if the terminal 5 is temporarily unavailable via the telecommunications network 10.
- a Transmission of the SMS message or the SMS messages from the adaptation device 15 to the terminal 5 then takes place when the terminal 5 is reachable and as described, provided that the request signal has been detected by the controller 30.
- the controller 30 converts a fax-mail message m received from the third center 3 via the third interface 13 into one or more SMS messages and sends them when requested by the terminal 5 via the fourth interface 20 and the telecommunications network 10 to the terminal 5.
- An SMS message received by the second center 2 via the second interface 12 on the adapting device 15 is recognized as such by the controller 30 and therefore does not have to be converted, but can be m in the described pull mode when requested by the terminal 5 via the fourth interface 20 and the telecommunications network 10 are transmitted to the terminal 5.
- the controller 30 can recognize messages received by the terminal 5 via the telecommunication network 10 and the fourth interface 20 on the adaptation device 15 and convert and convert a format desired by this center in accordance with a specification of the center m addressed by this message this center can be transferred, for example Text on voice mail box or text on fax.
- this center can be transferred, for example Text on voice mail box or text on fax.
- Presets can also be stored in the memory device 25. Specifications from several control centers can also be stored there.
- the invention is illustrated and described in more detail below on the protocol level with reference to FIG. 3.
- the terminal 5 is also referred to as an MMS client (Multimedia Message Service).
- the adaptation device 15 is also referred to as an MMS relay according to FIG. 3 and as described.
- the first center 1 which is also referred to as an MMS server, is to be connected to the adaptation device 15 as an example.
- the fourth interface 20 as the air interface between the terminal 5 and the adaptation device 15 is designated U u in FIG.
- the first interface 11 for connecting the first center 1 to the adaptation device 15 is designated in FIG. 3 as an IP interface (Internet Protocol).
- the MMS server and the MMS relay 15 do not necessarily have to be separated from one another as shown in FIG. 3, but can also form a physical unit. A separation of MMS relay 15 and MMS server according to FIG. 3 or a distributed arrangement of the two elements is particularly useful if the MMS server is an Internet e-mail server.
- the MMS relay 15 and the MMS server are connected to one another via the usual protocol layers.
- the MMS relay 15 on the side of the air interface U u comprises a first protocol layer sequence which corresponds to the protocol layer sequence of the terminal 5.
- the MMS relay 15 comprises a second protocol layer sequence on the side of the IP interface, which corresponds to the protocol layer sequence of the first center 1.
- MM transfer protocol (multimedia messaging) is generally used to denote an upper protocol layer, which can be designed, for example, as SMTP or as ESMTP or also manufacturer-specific.
- the MM transfer protocol on the side of the air interface U u can differ from the MM transfer protocol on the side of the IP interface.
- Air interface U u is therefore marked I in FIG. 3 and the MM transfer protocol on the part of the IP interface is marked II to take this into account.
- the MM transfer protocol II can be designed as SMTP and the MM transfer protocol I as a protocol for the transmission of SMS messages in order to implement the application described in FIG. 2.
- the upper layer is divided into the MM Transfer Protocol II and the TCP / UDP (Transmission Control Protocol / User Datagram Protocol).
- the lower layer is generally referred to as the lower layer, serves to establish and set up a connection between the adaptation device 15 and the terminal 5 on the one hand and between the adaptation device 15 and the corresponding control center on the other hand and is also adapted to the type of messages to be transmitted via the corresponding interface.
- the lower layer associated with the IP interface according to FIG. 3 is designed as IP (Internet Protocol) and the lower layer below it.
- the MMS relay 15 carries out an adaptation of the message exchange between the MMS server and the MMS client.
- the second protocol layer sequence 40 of the MMS relay 15 assigned to the IP interface is run through from bottom to top.
- the message is then transformed in accordance with the specification of the terminal 5 in the MMS relay 15. Thereupon the message transformed in this way passes through the air interface U u assigned first protocol layer sequence 35 of the MMS relay 15 from top to bottom so that the message can be sent to the MMS client.
- the protocol and message conversion for messages that are to be transmitted from the MMS client via the MMS relay 15 to the MMS server is correspondingly reversed.
- Protocol layer sequence of the second control center 2 and the third control center 3 can each differ from the protocol layer sequence of the first control center 1 according to FIG. 3, the second interface 12 and the third interface 13 on the MMS relay 15 side then each having its own second protocol layer sequence 40 which corresponds to the protocol layer sequence of the connected control center.
- the first interface 11, the second interface 12 and the third interface 13 can implement three different protocol layer sequences on the MMS relay 15 side, each of which corresponds to the protocol layer sequence of the connected center. It is essential in the arrangement described in FIG. 3 that the MMS client communicates with one or more MMS servers via the MMS relay 15 and vice versa.
- the structure shown here allows, on the one hand, flexible integration of several different MMS servers or centers from different networks or for different services, such as a fax-mail service or a voice-mail service, which are implemented via a cellular mobile radio network, and an e-mail service that is implemented over the Internet.
- the adaptation device 15 allows the terminal 5, if it is designed as a mobile radio device, for example according to the GSM standard, to use mobile mail-specific functions, for example according to the Internet standard of the IETF, in addition to realizing mobile radio-specific functions, such as the SMS service necessary protocols, procedures and MMS servers are offered.
- the functions to be carried out by the MMS relay 15 can be divided into several groups.
- a first group of such functions enables the integration of different services or different MMS servers by the adaptation device 15.
- the MMS servers of different services such as E-mail, voice mail or fax mail send their messages via the MMS relay 15, which they
- Messages m converts a uniform form to the terminal 5.
- different data formats e.g. a fax mail format in a graphic format.
- it may additionally or alternatively also be necessary to convert the data type of such a message, for example converting a text message into a voice mail message, so that the text message can be reproduced acoustically on the terminal 5.
- a second group of functions in the MMS relay 15 is necessary to determine whether the terminal 5 can be reached by the adaptation device 15 through the telecommunications network 10. For this it is necessary that the MMS relay 15 a connection to another
- Message element for example an HLR (Home Location Register) to receive information about whether the terminal 5 is registered in the telecommunications network 10 or available. If the corresponding terminal 5 cannot be reached, the message to be transmitted must be stored in the storage device 25. As soon as the terminal 5 becomes accessible again and the MMS relay 15 experiences this via the network element described, the MMS relay 15 automatically continues the transmission process which was previously interrupted by storing the message.
- a third group of functions relates to the transmission mode to be set for the transmission of the messages from the adaptation device 15 to the terminal 5. It should be possible, on the one hand, to transmit messages directly from the adaptation device 15 to the terminal 5 in accordance with the push mode.
- the terminal 5 is only informed by the adaptation device 15 that a message for the terminal 5 is stored in the adaptation device 15 or one of the assigned central units 1, 2, 3. These messages can then be called up on the terminal 5 via the adaptation device 15 or forwarded to another mail system.
- This transmission mode corresponds to the pull mode described. Which one
- the transmission mode for which message or for which data type of message is used can be specified by the user of the terminal 5 by means of a data record and send this data record to the adaptation device 15 for storage in the storage device 25.
- a data set is also called a profile. If the MMS relay 15 detects the arrival of a new message for the terminal 5 in one of the central units 1, 2, 3 or if it is signaled to the MMS relay 15 by one of the central units 1, 2, 3, then the MMS relay 15 checks depending on the profile entries stored in the storage device 25, in which transmission mode the message is to be transmitted to the terminal 5, for example in the push mode or in the pull mode. The transmission of the message to the terminal 5 is then controlled by the controller 30 in accordance with the predefined transmission mode.
- Another group of functions of the adaptation device 15 relates to the segmentation or the combination of messages.
- Messages can consist of several elements exist, such as emails that may contain different attachments.
- the MMS relay 15 can treat each element of a message individually, that is, in certain circumstances forward individual elements of the message to the terminal 5, save others in the storage device 25, delete others or forward them to another mail system. This process is called segmentation of messages.
- a message can be summarized again, for example from message elements from different centers 1, 2, 3.
- all elements newly entered in the centers 1, 2, 3 can be sent to the terminal 5 in push mode and all m the centers 1 , 2, 3 received message elements which are to be transmitted to the terminal 5 in pull mode are combined to form a message and are transmitted to the terminal 5 in the corresponding transmission mode.
- All message elements that are to be forwarded to the same address, for example in another mail system, can also be combined into a single message and sent to it
- a user-defined profile can also specify whether messages from different centers are to be combined to form a common message if they are to be transmitted to the terminal 5 using the same transmission mode. The same applies to the segmentation of a message from a plurality of message elements, which was received by a single center for the terminal 5.
- the user of the terminal 5 can use a profile to specify which data types or data formats from
- message elements of such a message m which of the described forms are to be treated individually.
- all message elements in a video format could be forwarded to another terminal device in another mail system that is able to Play video data.
- message elements with text messages can be provided for sending to the terminal 5 according to profiles, and message elements in fax form according to profiles in this example could be provided for storage in the storage device 25 for later retrieval.
- the user-defined profile is a data record that is defined by the user of the terminal 5 and is stored in the storage device 25 of the MMS relay 15. It determines the behavior of the MMS relay 15 and specifies which messages or message elements are transmitted directly or after being called up, ie in push or pull mode, to the terminal 5, which messages or message elements are automatically forwarded to another mail system or deleted, which messages or message elements are converted into another format, etc. In order to be able to carry out the processing provided for the messages or the message elements by means of profiles, these messages or message elements must be able to be distinguished from one another and identified. Distinguishing features for identifying the messages or message elements are, for example, the data type, for example fax mail, voice mail, email, SMS, etc.
- Data type and size of the messages or Message elements can be determined by the controller 30 in a suitable manner known to the person skilled in the art, for example by evaluating a header information with the necessary information added to the messages or the message elements.
- the profile can also contain terminal-specific specifications which cannot be influenced by the user and which specify the resources available to the terminal 5, for example the graphics capability of a display device of the terminal 5, the storage capacity of the terminal 5 or the like as boundary conditions. However, it can also be provided that the user himself specifies which functionalities that can be implemented with the terminal 5 are included in the profile. From the publication "Composite Capability / Preference Profiles (CC / PP): A user side framework for content negotiation", W3C Note, July 27, 1999, it is already known how a user can set and change his profile.
- Display devices are connectable.
- Such an external component can be a laptop, for example.
- the settings for the current profile generally depend on the functionalities of the terminal 5, which are currently available to the user.
- a mobile user will be able to connect external devices to his or her mobile terminal 5, which is designed, for example, as a cell phone or mobile radio device, so that the current ones can be connected by means of the terminal 5 realizable capabilities to vary depending on needs or offer.
- the user can expand these functionalities by, for example, coupling an electronic notebook or an electronic organizer to the mobile terminal 5.
- the publication “Composite Capability / Preference Profiles (CC / PP): A user side framework for content negotiation” offers a bandwidth-efficient solution for this purpose.
- the mobile terminal 5 Via the telecommunications network 10, which in this For example, as a mobile radio network, the mobile terminal 5 merely transmits the changes compared to the previous profile to the storage device 25, which is also referred to as a profile database and can also be arranged outside the adaptation device 15 in connection with and assignment to it However, it can also be arranged in the adaptation device 15 as shown in Figure 2. It is therefore not necessary to transmit the complete current profile, nevertheless, if the functionalities of the terminal 5 are changed, for example due to the connection of another one On the device, at least the profile data which changes in comparison to the previous profile are transmitted to the adaptation device 15.
- a user of the terminal 5 it is therefore proposed to allow a user of the terminal 5 to have multiple or any number of different profiles. Depending on which external devices the user connects to his mobile terminal 5, that is, depending on which functionalities are currently available to him stand, he should then be able to select a suitable profile from a list of his profiles.
- the list with the different profiles is saved in the Profile Database 25.
- Profiles the user defines which functionalities are available and which properties the MMS service should have for this profile.
- the user can give each of these profiles a profile name that is as clear and meaningful as possible. Additional identifiers, for example in the form of numbers, are agreed between the mobile terminal 5 and the profile database 25 for each of these profiles, so that a unique mapping of an identifier to a profile name of each profile and thus to the content of the corresponding profile is possible is.
- a simple way to agree such identifiers between the mobile terminal 5 and the Profile Database 25 is, for example, to number them in the order in which they are stored in the Profile Database 25.
- All profiles specified by the user of the mobile terminal 5 are transmitted in an initialization phase from the terminal 5 via the telecommunication network 10 to the adaptation device 15 or to the profile database 25 and stored in the profile database 25, for example in the order in which they arrive. Further profiles defined or specified by the user can also be transferred at a later point in time from the terminal 5 m to the profile database 25 and stored there, for example in the order in which they arrive.
- the user of a terminal 5 designed as a GSM mobile radio device can, for example, define a first profile, which he gives the name "pure GSM (SMS only)". In this profile he will then determine that his GSM mobile radio device 5 only supports SMS and he therefore does not want to have emails from an Internet email server sent to him automatically, but would rather leave them on the Internet email server in this case. The same applies to users other than SMS messages This
- Central units can be connected to the adaptation device 15 in the manner described in FIG. 2.
- the user can, for example, specify in the second profile with the example name "GSM + Organizer" that not only SMS messages should be sent to him, but that the user also automatically receives updates of his calendar - if, for example, his secretary or Colleagues change, add or delete an appointment
- messages of other types of messages should also be stored on the associated server.
- the user of the mobile terminal 5 is then e.g. take into account the case that he is not traveling in the area of his home network, but e.g. stays abroad. In such a case, the roaming charges incurred are too high for him, so that he wants to continue receiving SMS messages, but only wants to be informed about incoming calendar messages or faxes by SMS - without being automatically sent to him. Emails and messages from others
- the user then only needs to select that profile from a list with the profile names that are stored in the mobile terminal 5 that corresponds to his wishes and the current functionalities of the mobile terminal 5 or the one currently connected to it external additional devices or components.
- This selection this profile name is then mapped to the corresponding identifier in the mobile terminal 5.
- This identifier is then the only thing that really has to be transmitted from the mobile terminal 5 to the MMS relay 15 via the air interface or the mobile radio network 10 in order to start the MMS service as desired. This is because the MMS relay 15 m of the Profile Database 25 can use this identifier to query and implement the settings for the profile assigned to the identifier.
- An advantage of the invention is, in particular, that the user only has to set the capabilities of his terminal 5 or his possible device combination in the form of external additional devices or components connected to the terminal 5 and to set his or her desired configuration of the MMS service can be set by the MMS relay 15 on the Profile Database 25. If something changes in the device combination and / or his wishes, all he has to do is select the right profile from the list.
- the difference information for the previous profile does not have to be transmitted via the air interface, but only the identifier of the desired profile is transmitted. This saves data and thus resources on the mobile radio channel in the mobile radio network 10 and speeds up the setting of the MMS service.
- data type and / or data format conversions are also carried out in the MMS relay 15.
- messages or message elements that are one of the Centers 1, 2, 3 for the terminal 5 in a first data type are converted into another data type, for example a fax mail in a graphic or a text in speech.
- a message in a first data format can be converted into a second data format by the MMS relay 15.
- a GIF graphic Graphic Interchange Format
- JPEG graphic Joint Picture Expert Group
- the MMS relay 15 notifies the terminal 5 when new messages or message elements are not automatically forwarded to the terminal 5, for example in accordance with the pull mode.
- the terminal 5 can be notified by the MMS relay 15 when messages or message elements are automatically forwarded to another mail system or deleted depending on the specification of the profile or profiles.
- the MM transfer protocol I between MMS relay 15 and MMS client must contain three essential functional elements in addition to the functions for transmitting the message from the adaptation device 15 to the terminal 5:
- FIG. 4 shows layer sequences for a specific example in which the MMS server is designed as an Internet e-mail server and represents the first center 1.
- the MM Transfer Protocol II is designed as an SMTP or an ESMTP.
- the MM Transfer Protocol I is in
- the terminal 5 is an SMTP or ESMTP-capable terminal.
- the Internet email server shown in FIG. 4 is an Internet email POP server (Post Office Protocol).
- the MMS client according to FIG. 4 is designed as an SMTP client, that is to say an end device 5 capable of SMTP.
- the connection from the MMS relay 15 to the Internet e-mail POP server is identical to a classic Internet e-mail
- the SMTP is provided as the transmission protocol, which, as described, uses TCP / IP (Transmission Control Protocol / Internet Protocol) at least for the IP interface.
- the MMS relay 15 for the IP interface contains the POP client functionality described in accordance with the classic Internet e-mail configuration.
- a new email on the internet email POP Server is thus transmitted to MMS relay 15 in the manner described for the classic POP client.
- the MMS relay 15 determines, depending on the profile entries stored in the storage device 25, whether this email or which elements of this email are forwarded directly to the terminal 5 by means of push mode and additionally signals to the terminal 5 that there are still further elements of this message for transmission to the terminal 5 according to the pull mode or have been forwarded to another mail system or deleted. If no element of the email is transmitted to the terminal 5 in accordance with the push mode, only a notification takes place in one of the forms described.
- the email should now contain elements for both transmission modes, i.e. for push mode and pull mode.
- the MMS relay 15 combines the elements provided for the push mode according to the profile into a new message, sets up a transmission channel to the terminal 5 and sends these combined elements by means of SMTP.
- the other elements are also grouped together using SMTP to
- Signaling channels are used, such as the SMS service according to the GSM standard.
- the message elements for example, are also stored in the storage device 25 of the MMS relay 15, which are to be transmitted to the terminal 5 in accordance with the push mode.
- notifications for example, are temporarily stored in the storage device 25 of the MMS relay 15, which must be transmitted from the MMS relay 15 to the terminal 5 with regard to message elements which are not to be transmitted in accordance with the push mode.
- the MMS relay 15 is informed, for example by the HLR, that the terminal 5 can now be reached via the telecommunications network 10.
- the transmission of the message elements according to the push mode or the notifications to the terminal 5 is then continued.
- the message elements and / or the notifications can be stored in the Internet e-mail server or in the MMS relay 15.
- the profile regulates, for example, conversions of the data format of messages. If the end device 5 only supports the JPEG data format, for example, this is entered in the profile by default and the MMS relay 15 automatically converts all incoming graphic message elements for the end device 5 into the JPEG format.
- FIG. 5 shows a second embodiment in which the MMS server and the MMS relay 15 are functionally combined, as may be advantageous, for example, for internal network services, such as voice / fax mail boxes can. It is shown in
- FIG. 5 shows the protocol layer sequence of the MMS client according to FIG. 4 known from FIG. 4 and the first
- Protocol layer sequence 35 for the air interface U u of the MMS relay 15 according to FIG. 4. This protocol layer sequence now shares the MMS relay 15 and the MMS server in a common physical unit according to FIG. 5.
- the MMS server and the MMS relay 15 are functionally combined in a physical unit, but rather for IP-based implementations.
- the protocol layer sequence of the MMS server according to FIG. 6 corresponds to the Internet e-mail server according to FIG. 4.
- the MMS server shares this protocol layer sequence with the MMS relay 15.
- the same protocol layer sequence is then, as usual, for the MMS Client selected according to Figure 6, wherein the air interface U u between MMS client and MMS relay 15 or MMS server simultaneously represents an IP interface.
- FIG. 6 represents a third embodiment. All three embodiments according to FIG. 4, FIG. 5 and FIG. 6 can be used together in the MMSE.
- the MMS relay 15 being configured either as a separate protocol element or functionally integrated with the MMS server. Not only one terminal, but several terminals can be connected to the fourth interface 20 in the manner described, so that the MMS relay 15 can be used simultaneously for several terminals in the manner described, at least one profile of each of the terminals connected described manner can be stored in the memory device 25.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2001529152A JP2003511769A (ja) | 1999-10-01 | 2000-08-17 | 通信を少なくとも1つの中央局と端末機器との間で伝送するための方法およびそのために適合装置 |
EP00965758A EP1222782B1 (de) | 1999-10-01 | 2000-08-17 | Verfahren und anpassungsvorrichtung zur übertragung von nachrichten zwischen mindenstens einer zentrale und einem endgerät und anpassungsvorrichtung dafür |
DE50012027T DE50012027D1 (de) | 1999-10-01 | 2000-08-17 | Verfahren und anpassungsvorrichtung zur übertragung von nachrichten zwischen mindenstens einer zentrale und einem endgerät und anpassungsvorrichtung dafür |
US10/089,623 US7274926B1 (en) | 1999-10-01 | 2000-08-17 | Method and device for transmitting messages |
Applications Claiming Priority (4)
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DE19947578.4 | 1999-10-01 | ||
DE19947578 | 1999-10-01 | ||
DE19956023.4A DE19956023B4 (de) | 1999-10-01 | 1999-11-22 | Verfahren zur Übertragung von Nachrichten zwischen mindestens einer Zentrale und einem Endgerät und Anpassungsvorrichtung dafür |
DE19956023.4 | 1999-11-22 |
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PCT/DE2000/002780 WO2001026310A1 (de) | 1999-10-01 | 2000-08-17 | Verfahren und vorrichtung zur nachrichtenübertragung |
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US (1) | US7274926B1 (de) |
EP (3) | EP1222782B1 (de) |
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WO (1) | WO2001026310A1 (de) |
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DE20024016U1 (de) | 2009-10-08 |
DE19956023A1 (de) | 2001-04-05 |
EP1610511A1 (de) | 2005-12-28 |
US7274926B1 (en) | 2007-09-25 |
DE20024015U1 (de) | 2009-10-01 |
JP2010146590A (ja) | 2010-07-01 |
EP2262192A2 (de) | 2010-12-15 |
JP2003511769A (ja) | 2003-03-25 |
JP5641745B2 (ja) | 2014-12-17 |
EP2262192A3 (de) | 2011-03-09 |
DE50012027D1 (de) | 2006-03-30 |
EP1222782A1 (de) | 2002-07-17 |
EP1222782B1 (de) | 2006-01-04 |
DE19956023B4 (de) | 2019-10-02 |
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