WO2003077516A1 - Reversed call setup system and method - Google Patents

Reversed call setup system and method Download PDF

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Publication number
WO2003077516A1
WO2003077516A1 PCT/NL2002/000175 NL0200175W WO03077516A1 WO 2003077516 A1 WO2003077516 A1 WO 2003077516A1 NL 0200175 W NL0200175 W NL 0200175W WO 03077516 A1 WO03077516 A1 WO 03077516A1
Authority
WO
WIPO (PCT)
Prior art keywords
setup message
call setup
initiator
communication device
call
Prior art date
Application number
PCT/NL2002/000175
Other languages
French (fr)
Inventor
Jacobus Martinus Kruithof
Gerrit Cornelis Blom
Jacco Fini De Kraker
Arnoud Aart Theodorus Van Wijk
Original Assignee
Telefonaktiebolaget L M Ericsson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson filed Critical Telefonaktiebolaget L M Ericsson
Priority to AU2002239169A priority Critical patent/AU2002239169A1/en
Priority to PCT/NL2002/000175 priority patent/WO2003077516A1/en
Publication of WO2003077516A1 publication Critical patent/WO2003077516A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/55—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for hybrid networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/56—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for VoIP communications
    • 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
    • H04M3/42195—Arrangements for calling back a calling subscriber
    • 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
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/202—VoIP; Packet switched telephony
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/32—Involving wireless systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/44—Charging/billing arrangements for connection made over different networks, e.g. wireless and PSTN, ISDN, etc.
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/62—Called party billing, e.g. reverse billing, freephone, collect call, 0800 or 0900

Definitions

  • the invention relates to a communication device arranged to communicate via a com- munication network, where the communication device is arranged to receive a first call setup message from an initiator via the communication network.
  • the initiator of a telephone call usually pays the bill.
  • a free number e.g. a 0800-number
  • the bill needs to be send to the receiver.
  • the bill needs to be send to the receiving party.
  • Sending the bill to the receiver of the call is further complicated when the initiator and the receiver are members of different phone companies. Also a third, a fourth etc. phone company may be part of the connection, further complicating the matter.
  • Sending the bill to the receiver of a phone call involving more than one phone company can only be done when the phone companies involved have reached an agreement about how to settle the billing.
  • IP Internet protocol
  • Object of the invention is to provide a method that enables the receiving party to pay for the call without introducing the need for changes in the billing mechanisms or radical adjustments in the telephone network.
  • the invention provides a communication device as defined in the outset, characterized in that the communication device automatically terminates the first call setup message and the communication device sends a second call setup message to the initiator.
  • the invention provides a system that enables the receiving party to pay for the call with a simple measure that can be easily implemented in existing telephone systems.
  • the invention also provides a communication system as defined in the outset characterized in that the communication system automatically terminates the first call setup message before a connection has been established and the communication system sends a second call setup message to the initiator.
  • the invention also provides a computer program product to be loaded by a telecommunication device arranged to provide the telecommunication device with the capacity of receiving a first call setup message from an initiator via a communication network, automatically terminating the first call setup message before a connection has been established and sending a second call setup message to the initiator.
  • the invention also provides a data carrier provided with a computer program product to be loaded by a telecommunication device arranged to provide the telecommunication device with the capacity of receiving a first call setup message from an initiator via a communication network, automatically terminating the first call setup message before a connection has been established and sending a second call setup message to the initiator.
  • Fig. 1 shows a schematic example of the information flow in a telephone network according to a first embodiment of the invention.
  • Fig. 2 shows a schematic example of the information flow in a telephone network according to a second embodiment of the invention.
  • Fig. 3 shows a schematic blockdiagram of some components in the network according to a possible embodiment.
  • Figure 1 shows an initiator 10 of a telephone call and a receiver 20 of the telephone call.
  • the initiator 10 is arranged to communicate with a provider, called the provider of the initiator 11, and the receiver 20 is arranged to communicate with a provider, called the provider of the receiver 21.
  • the provider of the initiator 11 and the provider of the receiver 21 are both arranged to communicate with each other via the telephone network in any way known to persons skilled in the art.
  • the telephone network may be the Public Switched Telephone Network (PSTN), a Local Area Network (LAN), a Wide Area Network (WAN) the Internet, etc.
  • PSTN Public Switched Telephone Network
  • LAN Local Area Network
  • WAN Wide Area Network
  • the telephone call could be initiated and received with the use of a fixed telephone, a mobile telephone, a laptop, a personal computer, a facsimile machine or any other telecommunication device.
  • the initiator 10 of the call wants to setup a call with the receiver 20 of the call.
  • the initiator 10 sends a setup message (a, b, c) to the receiver 20 via the provider of the initiator 11 and the provider of the receiver 21, as can be seen in figure 1.
  • a setup message can contain several call parameters that for example contain the information about whether the connection is an audile and/or a visional connection.
  • the initiator 10 and the receiver 20 are both members of the same provider, there is only one provider in between the initiator 10 and the receiver 20. Between the provider of the initiator 11 and the provider of the receiver 21 there can be any number of other providers.
  • connection between the initiator 10 and the receiver 20 could also comprise more than one media stream, such as a combination of an audile and a visional data stream.
  • the connection can also be formed between more than two parties, as for instance is the case in telephone conferences.
  • Central idea of the invention is to automatically reverse the call setup.
  • the receiver 20 cancels the call by sending a termination message (d, e, f) back to the initiator.
  • the receiver 20 sends a new setup message (g, h, i) to the initiator 10.
  • the receiver 20 becomes the initiator of the call and will automatically be listed as the initiator and receive the bill.
  • the call setup is reversed before any connection at all is established in the first place.
  • the setup message (a, b, c) from the initiator 10 to the receiver 20 will not result in a connection, not even for a very short period of time.
  • the receiver 20 cancels the set up procedure (d, e, f) started by the initiator 10 and starts its own setup procedure by sending a setup message (g, h, i) to the initiator 10.
  • FIG 3. shows the final access point 40 that could be part of the provider of the receiver 21, but could also be an other communication device that is part of the communication network between the receiver 20 and the provider of the receiver 21.
  • the access point 40 comprises a microprocessor 41 and a memory 42 where the microprocessor 41 is arranged to communicate with the memory 42.
  • the access point 40 is arranged to communicate with the receiver 20.
  • the receiver 20 comprises a display 30, a speaker 31, a microphone 32, a keyboard 34, a memory 35 and a micro processor 33, where the micro processor 33 is arranged to communicate with the display 30, the speaker 31, the microphone 32, the keyboard 34 and the memory 35.
  • the functionality can easily be implemented in the form of software and/or hardware. Terminals used for IP telephony are specially suited for this, because such terminals are usually intelligent and programmable.
  • the receiver 20 or the access point 40 needs to support the reverse call setup option. All modifications and intelligence needed are implemented at the receiving side of the connection.
  • the initiating provider 11 and the initiator 10 do not need to make any justifications to their system. However it is possible that the initiating party also offers the same service. Then, the initiator 10 needs to be provided with the same functionality as the receiver 20.
  • the initiator 10 in case the initiator 10 as well as the receiver 20 are arranged to reverse calls, an infinite sequence of reversions could occur.
  • the second setup message (g, h, i) of the receiver 20, will be interpreted by the initiator 10 as a new setup message. So, the initiator (10) will also send a termination message followed by a new, third, setup mes- sage.
  • the initiator (10) can be arranged to avoid such an infinite sequence of reversions. This could for instance be done with a calling line identifier, that prevents termination of a setup message coming from the firstly intended receiver (20).
  • the receiver 20 of the call can decide for each phone call whether it wants to pay for it or not.
  • the receiving terminal 20 it reverses setup messages (a, b, c) automatically depending on the calling line identification number.
  • setup messages (a, b, c)
  • FIG. 2 shows a schematic example of the signal flow in the network according to a second embodiment of the invention.
  • the same reference numbers in figures 1 and 2 refer to the same components.
  • the termination message (d, e, f) is not send to the initiator (10), but to the provider of the initiator 11, that serves as a proxy server, that intercepts the termination message and acts on behalf of the initiator 10.
  • the communication system can be arranged to setup a reverse call after the connection has been made. This could for instance be done halfway a telephone call, so costs can be shared between the initiator 10 and the receiver 20.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)

Abstract

A receiver (20) is communicating with an initiator (10) of a call via a communication network, the initiator (10) sets up a first call setup message, the receiver (20) terminates said first call set-up message before a connection is made and transmits a second call setup message towards the initiator (10) such that debit note will be billed to the receiver (20).

Description

Reversed call setup system and method
FIELD OF THE INVENTION
The invention relates to a communication device arranged to communicate via a com- munication network, where the communication device is arranged to receive a first call setup message from an initiator via the communication network.
BACKGROUND
In telephony, the initiator of a telephone call usually pays the bill. However, when an initiator calls a free number, e.g. a 0800-number, the bill needs to be send to the receiver. Also, when an initiator makes a collect call, the bill needs to be send to the receiving party. In more sophisticated applications it can also be desirable to send the bill to the receiver. For instance, a deaf person who can only receive phone calls with the help of an extra video connection can decide to pay for that video connection him- self.
However, it is technically not straightforward for phone companies to send the bill to the receiver of the call. Most of the times this is achieved by filtering the bills afterwards and reversing the bills for such free telephone numbers. This always involves a lot of extra man and paper work.
Sending the bill to the receiver of the call is further complicated when the initiator and the receiver are members of different phone companies. Also a third, a fourth etc. phone company may be part of the connection, further complicating the matter.
Sending the bill to the receiver of a phone call involving more than one phone company can only be done when the phone companies involved have reached an agreement about how to settle the billing.
In Internet protocol (IP) telephony there are usually more than two phone companies involved. When an IP telephone call is made, it is possible to add an extra media stream to the existing connection, for instance a video-stream. It is not possible to ensure that adding such an extra media stream to the existing call gets charged to the paying party using the existing telephony protocols. Summarizing, the whole telephone network and billing system is build for calls that are paid by the initiator and known methods to send the bill to the receiver of the call are based on correction of the bill afterwards.
SUMMARY OF THE INVENTION
Object of the invention is to provide a method that enables the receiving party to pay for the call without introducing the need for changes in the billing mechanisms or radical adjustments in the telephone network. In order to obtain this object, the invention provides a communication device as defined in the outset, characterized in that the communication device automatically terminates the first call setup message and the communication device sends a second call setup message to the initiator.
The invention provides a system that enables the receiving party to pay for the call with a simple measure that can be easily implemented in existing telephone systems.
The invention also provides a communication system as defined in the outset characterized in that the communication system automatically terminates the first call setup message before a connection has been established and the communication system sends a second call setup message to the initiator.
The invention also provides a computer program product to be loaded by a telecommunication device arranged to provide the telecommunication device with the capacity of receiving a first call setup message from an initiator via a communication network, automatically terminating the first call setup message before a connection has been established and sending a second call setup message to the initiator.
The invention also provides a data carrier provided with a computer program product to be loaded by a telecommunication device arranged to provide the telecommunication device with the capacity of receiving a first call setup message from an initiator via a communication network, automatically terminating the first call setup message before a connection has been established and sending a second call setup message to the initiator.
BRIEF DESCRIPTION OF THE DRAWINGS The invention will be explained with reference to some drawings which are only intended to illustrate the present invention and not to limit its scope which is only limited by the appended claims.
Fig. 1 shows a schematic example of the information flow in a telephone network according to a first embodiment of the invention. Fig. 2 shows a schematic example of the information flow in a telephone network according to a second embodiment of the invention.
Fig. 3 shows a schematic blockdiagram of some components in the network according to a possible embodiment.
DESCRIPTION
For the purpose of teaching the invention, preferred embodiments of the method and devices of the invention are described in the sequel. It will be apparent for the person skilled in the art that other alternative and equivalent embodiments of the invention can be conceived and reduced to practice without departing from the true spirit of the in- vention, the scope of the invention being only limited by the annexed claims.
Figure 1 shows an initiator 10 of a telephone call and a receiver 20 of the telephone call. The initiator 10 is arranged to communicate with a provider, called the provider of the initiator 11, and the receiver 20 is arranged to communicate with a provider, called the provider of the receiver 21. The provider of the initiator 11 and the provider of the receiver 21 are both arranged to communicate with each other via the telephone network in any way known to persons skilled in the art. The telephone network may be the Public Switched Telephone Network (PSTN), a Local Area Network (LAN), a Wide Area Network (WAN) the Internet, etc.
The telephone call could be initiated and received with the use of a fixed telephone, a mobile telephone, a laptop, a personal computer, a facsimile machine or any other telecommunication device. The initiator 10 of the call wants to setup a call with the receiver 20 of the call. In order to establish a connection, the initiator 10 sends a setup message (a, b, c) to the receiver 20 via the provider of the initiator 11 and the provider of the receiver 21, as can be seen in figure 1. Such a setup message can contain several call parameters that for example contain the information about whether the connection is an audile and/or a visional connection.
When the initiator 10 and the receiver 20 are both members of the same provider, there is only one provider in between the initiator 10 and the receiver 20. Between the provider of the initiator 11 and the provider of the receiver 21 there can be any number of other providers.
The connection between the initiator 10 and the receiver 20 could also comprise more than one media stream, such as a combination of an audile and a visional data stream. The connection can also be formed between more than two parties, as for instance is the case in telephone conferences.
Central idea of the invention is to automatically reverse the call setup. In one embodiment, as soon as the setup message (a, b, c) from the initiator 10 is received by the receiver 20, the receiver 20 cancels the call by sending a termination message (d, e, f) back to the initiator. Immediately after the termination message (d, e, f), the receiver 20 sends a new setup message (g, h, i) to the initiator 10. As a result of that, the receiver 20 becomes the initiator of the call and will automatically be listed as the initiator and receive the bill.
As a further result, the call setup is reversed before any connection at all is established in the first place. The setup message (a, b, c) from the initiator 10 to the receiver 20 will not result in a connection, not even for a very short period of time. Instead of accepting the initial call setup message (a, b, c), the receiver 20 cancels the set up procedure (d, e, f) started by the initiator 10 and starts its own setup procedure by sending a setup message (g, h, i) to the initiator 10.
Some functionality needs to be implemented in the final part of the connection between the initiator 10 and the receiver 20. An example of a possible embodiment is shown in figure 3. The functionality can be implemented in the telephone of the receiver 20 or in a final access point before the receiver 40. Figure 3 shows the final access point 40 that could be part of the provider of the receiver 21, but could also be an other communication device that is part of the communication network between the receiver 20 and the provider of the receiver 21. The access point 40 comprises a microprocessor 41 and a memory 42 where the microprocessor 41 is arranged to communicate with the memory 42. The access point 40 is arranged to communicate with the receiver 20. The receiver 20 comprises a display 30, a speaker 31, a microphone 32, a keyboard 34, a memory 35 and a micro processor 33, where the micro processor 33 is arranged to communicate with the display 30, the speaker 31, the microphone 32, the keyboard 34 and the memory 35. The functionality can easily be implemented in the form of software and/or hardware. Terminals used for IP telephony are specially suited for this, because such terminals are usually intelligent and programmable.
In order to reverse the setup message, either the receiver 20 or the access point 40 needs to support the reverse call setup option. All modifications and intelligence needed are implemented at the receiving side of the connection. The initiating provider 11 and the initiator 10 do not need to make any justifications to their system. However it is possible that the initiating party also offers the same service. Then, the initiator 10 needs to be provided with the same functionality as the receiver 20.
After the reversed call is established, all terminals and providers work in their ordinary mode of operation and so does the billing mechanism. Since the billing mechanism is no subject of the present invention it will not be further explained. Any known billing mechanism may be used.
In case the initiator 10 as well as the receiver 20 are arranged to reverse calls, an infinite sequence of reversions could occur. The second setup message (g, h, i) of the receiver 20, will be interpreted by the initiator 10 as a new setup message. So, the initiator (10) will also send a termination message followed by a new, third, setup mes- sage. The initiator (10) can be arranged to avoid such an infinite sequence of reversions. This could for instance be done with a calling line identifier, that prevents termination of a setup message coming from the firstly intended receiver (20). In a preferred embodiment of the invention, the receiver 20 of the call can decide for each phone call whether it wants to pay for it or not. This can be done by pressing for instance a special reverse call setup button placed at the telephone, or pressing some predetermined button combination on the telephone, as for instance ## or #* . It also possible to do this by selecting a virtual button or an icon on a display with the aid a cursor or computermouse. It is also possible to use a button of which the functionality is indicated by a display.
Pressing this reverse call button or the predetermined button combination will result in canceling the initial call and sending a setup message to the initiator. All this could be done in a short period of time in the order of a few seconds or less.
It is also possible to program the receiving terminal 20 in such a way that it reverses setup messages (a, b, c) automatically depending on the calling line identification number. When the invention is applied to free numbers, all received call setup messages can be reversed automatically.
Figure 2 shows a schematic example of the signal flow in the network according to a second embodiment of the invention. The same reference numbers in figures 1 and 2 refer to the same components.
In this embodiment the termination message (d, e, f) is not send to the initiator (10), but to the provider of the initiator 11, that serves as a proxy server, that intercepts the termination message and acts on behalf of the initiator 10.
In a possible embodiment of the invention the communication system can be arranged to setup a reverse call after the connection has been made. This could for instance be done halfway a telephone call, so costs can be shared between the initiator 10 and the receiver 20.

Claims

1. A communication device (20; 40) arranged to communicate via a communication network, where said communication device (20; 40) is arranged to receive a first call setup message from an initiator (10) via said communication network, characterized in that said communication device (20; 40) terminates said first call setup message before a connection has been established; said communication device (20; 40) sends a second call setup message to said initiator (10).
2. The communication device (20; 40) according to any of the preceding claims where said first call setup message contains call parameters characterized in that said second setup message contains call parameters equal to the call parameters of the first setup message.
3. The communication device (20; 40) according to any of the preceding claims characterized in that said communication device (20; 40) sends said second call setup message to said initiator (10) depending on information in the call setup message.
4. The communication device (20; 40) according to claim 4, characterized in that said information is a calling line identification number.
5. The communication device (20; 40) according to any of the preceding claims characterized in that said communication device (20; 40) comprises a reverse call setup button and said communication device (20; 40) sends a second call setup message to said initiator (10) depending on the information received from said reverse call setup message button.
6. The communication device (20; 40) according to any of the preceding claims, characterized in that said communication device (20; 40) is arranged to communicate with an Internet Protocol.
7. The communication device (20; 40) according to any of the preceding claims, wherein the communication device (20; 40) is one of: a fixed telephone, a mobile telephone, a personal computer, a laptop, a facsimile machine, and an access point.
8. A communication system where said communication system is arranged to send a first call setup message from an initiator (10) to a receiver (20) characterized in that - said communication system automatically terminates said first call setup message before a connection has been established; said communication system sends a second call setup message to said initiator (10).
9. A communication system according to claim 8 characterized in that said receiver (20) automatically terminates said first call setup message before said connection has been established; and said receiver (20) sends said second call setup message to said initiator (10).
10. A communication system according to claim 8 characterized in that said communication system comprises an access point (40) connected to said receiver (20), said access point (20; 40) automatically terminates said first call setup message before a connection has been established; - said access point (20; 40) sends a second call setup message to said initiator (10).
11. A computer program product to be loaded by a telecommunication device (20; 40) arranged to provide said telecommunication device with the capacity of: receiving a first call setup message from an initiator (10) via a communication network; automatically terminating said first call setup message before a connection has been established; sending a second call setup message to said initiator (10).
2. Data carrier provided with a computer program product according to claim 11.
PCT/NL2002/000175 2002-03-14 2002-03-14 Reversed call setup system and method WO2003077516A1 (en)

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