WO2009035371A1 - Способ осуществления персонального сеанса связи между пользователями сети телекоммуникаций - Google Patents
Способ осуществления персонального сеанса связи между пользователями сети телекоммуникаций Download PDFInfo
- Publication number
- WO2009035371A1 WO2009035371A1 PCT/RU2008/000536 RU2008000536W WO2009035371A1 WO 2009035371 A1 WO2009035371 A1 WO 2009035371A1 RU 2008000536 W RU2008000536 W RU 2008000536W WO 2009035371 A1 WO2009035371 A1 WO 2009035371A1
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- WO
- WIPO (PCT)
- Prior art keywords
- user
- message
- messages
- received
- called user
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
Definitions
- the invention relates to the field of telecommunications.
- the called (in another embodiment, the calling) subscriber generates a message about the person of the called user and transmits it to the telephone network.
- the telephone network remember this message and the number of the terminal device from which it came.
- the calling (in another embodiment, the called) subscriber generates a message about the person of the called subscriber and transmits it to the telephone network.
- the received message is compared with the previously stored message, with a positive result of the comparison, the numbers of the corresponding terminal devices are determined and the communication channel between the subscribers is established.
- the known method allows the subscriber to make a call without information about his phone number or location, and provides the greatest degree of individual freedom of choice and restriction of incoming calls. But to achieve the results stated in this method, the technical address space specified by phone numbers is used. The use of telephone numbers leads to restrictions on the number of user devices connected to the telephone network.
- a known method (prototype) of a communication session in telecommunication networks (Moore
- the network address of the special intermediate device is formed telecommunication networks (domain name servers), and send generated messages to the telecommunications network. These messages are received on the domain name server, the network address of the called user device is determined, the network address of the called user device is determined by the domain name, a message about the network address of the called user device is generated, and this message is sent to the device address of the called user.
- the network address of the device of the called user is formed in the device of the calling user, a message is generated about the beginning of the communication session, and the generated messages are sent to the telecommunications network.
- Intermediate telecommunication network devices for example, gateways and routers, receive messages generated in the device of the calling user, determine the network address of the device of the called user, and The received messages are addressed to the device of the called user.
- messages are received from the device of the calling user, the nature of the received information is determined by the message about the beginning of the communication session, and the communication session is performed, that is, the process of real-time data exchange, for example, the exchange of audio information.
- the known method through the use of domain names, makes it easier for the user to remember network addresses specified by multi-digit numbers, but it does not provide technical conditions for the user to conveniently and arbitrarily select his address space.
- the symbolic names or mnemonic numbers of the domain addressing have a strict hierarchy and one-to-one correspondence with the digital address field of the IP protocol.
- the user does not have the technical ability to independently organize his own address space and to arbitrarily change addresses and the rules for organizing communication sessions at these addresses. This reduces its security against unauthorized and unwanted communication sessions.
- Domain addressing, as well as digital imposes restrictions on the number of user devices connected to the telecommunications network.
- a method of conducting a personal communication session between users of a telecommunications network is that first, a message is sent to the called telecommunications network user about the sign of the transmitted information, about the readiness for the call, one or more messages about the person of the called user are generated, stored in the database of the called user’s device a sign of information and one or more messages about the person of the called user and send the generated messages to the telly network communications, in the telecommunications network user device that has a communication channel with the called user’s device, the messages generated in this device are received, the nature of the received messages is determined by the transmitted information sign and the information having the call ready indication is discarded in the intermediate telecommunications network device, which has a communication channel with the device of the called user, receive messages generated in the device of the called user, determine about the message about the sign of the transmitted information, the nature of the received messages, determine the sign of the communication channel through which the information was received from the device of the called user, store in the database a sign of information about the readiness for the call, one
- the operation of generating in the device of the called user one or more messages about the person of the called user ensures the creation of the address space of the called user. These messages are addresses identifying the called user, because in the device of the calling user to organize a communication session with the called user, the operation of generating one of the messages about the person of the called user is performed, and the network address of the device of the called user is not generated.
- the operations of storing, comparing, generating, and transmitting messages in an intermediate device of a telecommunication network ensure the transmission of information about a communication session only in the case of a coincidence of messages received from the respective user devices. Unlike similar known methods for conducting a communication session in a telecommunication network, a successful communication session is possible only if the calling user knows one of those messages about the person of the called user that are generated in the device of the called user and stored in the intermediate device telecommunication networks.
- the operation "remember the channel sign for this intermediate device” is an essential feature of the invention. Under the “channel sign” is understood such a sign that distinguishes one of the channels of the intermediate device from any other.
- the channel attribute may be, for example, the bandwidth for frequency division multiplexing or, for example, a time slot assigned to the channel during time division multiplexing.
- the totality of the features of this method allows to ensure the uniqueness of each of the messages about the person of the called user, in comparison with similar messages of other users for the purpose.
- the uniqueness of the message about the person of the called user can be established in any way, for example, by requesting through a telecommunications network a special server that stores a database of all registered messages about the person of the called user, or by checking the selected messages about the person when registering the user as a client of the telecommunications network .
- the uniqueness of the message about the user's identity should be ensured only within the framework of a certain region of the user's location, and the message about the region of location can be generated by the user in a familiar and convenient way to remember.
- the set of features of this method allows the called user to expand the arsenal of tools to set the conditions for the implementation of the communication session and to exclude the communication session with anonymous users.
- the essence of the invention according to claim 4 of the claims consists in the fact that, unlike the method for conducting a personal communication session between users of a telecommunication network according to claim 3, before uniquely generating a message about the person of the calling user, the telecommunication network is first established by any technically possible method to uniqueness for a certain region for an existing telecommunication network, messages about the person of the calling user, and then a message about the person of the calling vayuschego user and send it together with other generated message to the telecommunication network.
- the totality of the features of this method allows to ensure the uniqueness of the message about the person of the calling user, in comparison with the similar purpose messages of other users.
- the uniqueness of the message about the person of the calling user can be established in any way, for example, by requesting through a telecommunications network a special server that stores a database of all registered messages about the person of the calling user, or by checking the selected messages about the person when registering the user as a client of the telecommunications network .
- the uniqueness of the message about the user's identity should be ensured only within the framework of a certain region of the user's location, and the message about the region of location can be generated by the user in a familiar and convenient way to remember.
- the essence of the invention according to claim 5 of the claims consists in the fact that, in contrast to the method for conducting a personal communication session between users of a telecommunication network according to claim 1, the called user’s personal account code is additionally generated in the device of the called user and transmitted along with other generated messages to the telecommunications network, and in the intermediate device, which has a communication channel with the device of the called user, additionally compare the received code value with those m value of the code that was earlier, for example, during registration, is recorded in the database for a user who has a message about the person of the called user that matches the received message about the person of the called user, if there is a match of the compared codes establish the eligibility of the called user to use the message about the person of the called user and the eligibility of the called user to access the telecommunications network, and if the compared codes do not match, they discard the received information.
- the set of features of this method allows to ensure the eligibility of the called user to use the message about the person of the called user as their personal address and the eligibility of the access of the called user to the telecommunications network.
- the essence of the invention according to claim 6, is that, in contrast to the method for conducting a personal communication session between users of a telecommunication network according to claim 3, the caller’s personal account code is additionally generated and transmitted along with other generated messages to the telecommunications network, and in the intermediate device, which has a communication channel with the device of the calling user, additionally compare the received code value with t m value of the code, which was earlier, for example, during registration, is fixed in the database for a user having a message about the person of the calling user that matches the received message about the person of the calling user, when the compared codes match, the ability of the calling user to use the message about the person is established the calling user and the eligibility of the calling user to access the telecommunications network, and if the compared codes do not match, they discard the received information.
- the totality of the features of this method allows to ensure the eligibility of the calling user to use the message about the person of the calling user as a message about his person and the eligibility of the access of the calling user to the telecommunications network.
- the invention according to claim 7 of the claims consists in the fact that, in contrast to the method for conducting a personal communication session between users of a telecommunications network according to claim 1, a message about the characteristics of communication channels is generated in the form of a message containing a sequence of channel numbers, with each intermediate the device is supplemented with this sequence by a pair of numbers of its channels when transmitting a message about the person of the called user from the device of the calling user and changes this sequence to ru of the numbers of their channels when transmitting from the device of the called user a message of consent to start a communication session.
- the set of features of this method provides the technical conditions for more efficient processing of information about the communication session in the intermediate devices.
- the invention according to claim 8 is that, in contrast to the method for conducting a personal communication session between users of a telecommunications network according to claim 1, in each intermediate device of a telecommunications network that receives and transmits information from a calling user device containing a message about the person of the called user, additionally generate a message about the signs of communication channels of this intermediate device, which may participate in the reception and transmission of information in the process e communication session between the devices of the calling and called users, and include the generated message in the message block from the device of the calling user, in the device of the called user before starting the communication session when generating a message about the signs of communication channels for each intermediate device that transmitted messages from the device of the calling user additionally include in this message signs of communication channels for each intermediate device that may participate in a communication session, and from they manage the generated messages to the telecommunications network, in the intermediate devices of the telecommunications network after receiving messages from the called user’s device and determining by the consent message that the nature of the information received at the beginning of the communication session is selected, the
- the set of features of this method provides the creation of technical conditions in the user device for improved identification of this device when exchanging data with other devices of the telecommunications network.
- the invention according to claim 10 of the claims consists in the fact that, in contrast to the method for conducting a personal communication session between users of a telecommunication network according to claim 1, before generating a message about the person of the called user, the caller’s device is additionally extracted from the database that is unique to the device of the caller user number of the connection and include in the block of generated messages in the device of the called user before starting a communication session when generating a message about
- the caller’s device is additionally extracted from the database that is unique to the device of the caller user number of the connection and include in the block of generated messages in the device of the called user before starting a communication session when generating a message about
- the caller’s device is additionally extracted from the database that is unique to the device of the caller user number of the connection and include in the block of generated messages in the device of the called user before starting a communication session when generating a message about
- the caller’s device is additionally extracted from the database that is unique to the device of the caller user number of the connection and
- the set of features of this method provides the creation of technical conditions in the user device to increase the processing speed of incoming data from the communication session.
- the set of features of this method provides the creation of technical conditions in the user device to increase the processing speed of incoming data from the communication session.
- the invention according to claim 12 of the claims consists in the fact that, in contrast to the method for conducting a personal communication session between users of a telecommunication network according to claim 1, before starting a communication session, a message on the characteristics of communication channels is additionally stored in the calling device and the device of the called user transmitting information of the communication session, and during the communication session when receiving information of the communication session, the received message on the characteristics of communication channels for transmitting session information is compared communication with previously memorized and with a mismatch of the corresponding messages discard the received information of the communication session.
- the set of features of this method provides the creation of technical conditions in the user's device for quick exclusion from processing of incoming data addressed to other devices.
- the description of the invention is illustrated by one graphic depiction of telecommunication network devices participating in a personal communication session between users.
- the communication lines between the devices shown in the figure are conditional, showing that between certain devices in the telecommunication network, messages are sent about the organization of the communication session or the exchange of data from the communication session.
- the graphic image shows telecommunication network devices participating in the implementation of a method for conducting a personal communication session between users of a telecommunication network.
- a message is generated about the sign of the transmitted information (about the readiness for the call), one or more messages about the person of the called user are generated, the information sign and one or more messages about the person of the called user are stored in the database of the device of the called user 1 and send the generated messages to the telecommunications network.
- a telecommunication network user device that has a communication channel with the called user device 1, for example, in devices 2 and 3, messages generated in this device 1 are received, the nature of the received messages is determined by the transmitted information sign, and information having a sign of readiness for call.
- the intermediate device 4 of the telecommunications network which has a communication channel with the device 1 of the called user, receive messages generated in the device 1 of the called user, determine the nature of the received messages from the sign of the transmitted information, determine the sign of the communication channel from which information was received from the device 1 of the called user, remember in the database a sign of information (about readiness for a call), one or more messages about the person of the called user and a sign anal regard to this intermediate device 4 on which has po- luchena information from the device 1 of the called user.
- a message about the sign of the transmitted information (about the call) is generated, a message about the region of the location of the device 1 of the called user is generated, a message about the person of the called user is generated, and the generated messages are sent to the telecommunications network.
- the intermediate device 6 of the telecommunication network which has a communication channel with the calling user device 5
- messages generated in the calling user device 5 are received, the nature of the received messages is determined by the message indicating the transmitted information, the message about the location region of the called user device 1 received from devices 5 of the calling user, with previously received or generated messages about the regions of the devices of the called users.
- the signs of the communication channels of the intermediate device 6 are determined, which do not correspond to the characteristics of the communication channels through which the compared messages were received or for which the received messages are generated, generated by the caller’s device 5 to the telecommunication network via communication channels different in their characteristics from the channels through which the messages being compared were received or for which they were generated.
- the compared messages correspond to the characteristics of the channels connecting the device b with the devices 5, 7 and 8; therefore, messages generated in the device 5 of the calling user are sent via the communication channel between the device 6 and the intermediate device 9.
- the intermediate device 9 of the telecommunication network messages generated in the calling user device 5 are received, the nature of the received messages is determined by the transmitted information sign, the message about the location region of the called user device 1 received from the calling user device 5 is compared with previously received or generated messages about the regions of devices of called users. But in the device 9, which does not have communication channels with user devices, the database does not contain previously received messages about the person of the called user.
- the intermediate device 9 sends the received messages generated in the calling user device 5 to the telecommunications network through all communication channels other than the channel for receiving messages from the calling user device, that is, they send messages to a communication channel between the device 9 and the intermediate device 10, and a communication channel between the device 9 and the device 4.
- the intermediate device 10 according to an example embodiment of the method, has communication channels with user devices 11 and 12, and an intermediate device 9.
- messages generated in the calling user device 5 are received, and the nature of the received messages is determined by the message indicating the transmitted information.
- the telecommunications network also receives messages generated in the calling user device 5, determines the nature of the received messages from the message indicating the transmitted information, compares the message about the location region of the called user device 1 received from the calling user device 5 with previously received ones or generated messages about regions of devices of called users.
- the message about the person of the called user received from the device 5 of the calling user is compared with previously received messages from the devices of the called users, for example, devices 1, 2 and 3, about the person the called user
- the received messages are discarded. If the comparison is negative, the received messages are discarded. If the compared messages coincide, a sign of the communication channel is determined for this intermediate device 4, from which information with a call ready indicator containing a message about the person of the called user was received. If the sign of this channel does not coincide with the sign of the channel through which information was received from the device 5 of the calling user, send messages generated in the device 5 of the calling user to the telecommunications network via a communication channel that has a sign set in the previous operation. If the sign of this channel coincides with the sign of the channel through which information was received from the device 5 of the calling user, the received information is discarded.
- the user device which has a communication channel with the intermediate device 4 of the telecommunication network, for example, in devices 1, 2 and 3, messages generated in the device 5 of the calling user are received, the nature of the received messages is determined by the sign of the transmitted information, the message about the person is compared the called user received from the device 5 of the calling user, with messages stored in the database of this device about the person of the called user. If the compared messages do not match, for example, in devices 2 and 3, the received information is discarded.
- a message is issued about consent to the beginning of the communication session and a message about the signs of communication channels for each intermediate device that has transmitted messages from the device 5 of the calling user, and the generated communications to the telecommunications network.
- Intermediate devices of the telecommunication network receive messages from the device 1 of the called user, determine the nature of the received information from the consent message at the beginning of the communication session, determine the sign of the communication channel for subsequent transmission of received messages, and transmit received consent messages to the beginning of the communication session through this channel the called user.
- a communication session is started with the device 1 of the called user of the telecommunications network and the received message on the signs of communication channels is used to transmit information of the communication session.
- the operation of generating one or more messages about the user's identity is performed at the level of digital data presentation, the presentation format of which allows you to determine the data related to each specific message, for example, by adding separating marks to the digital signal.
- Digital data representing a message about a user’s person can be obtained by converting into a digital signal text, symbolic, graphic, sound, or other information for the user to perceive, generated or selected by that user as an identifier of his person in the telecommunication network space.
- the sign of the transmitted information has a limited number of values corresponding to the purpose of the transmitted information, for example, “message about readiness for a communication session” or “message about a call”. Therefore, the operation of generating a message about the sign is transmitted - My information can be implemented in various ways, for example, by introducing a specific digital signal at a specific location in a common format for representing digital data generated in a user device.
- the set of features of this method according to paragraph 2 of the claims allows to ensure the uniqueness of each of the messages about the person of the called user, in comparison with similar messages by other users.
- the uniqueness of the message about the person of the called user can be established in any way, for example, by requesting through a telecommunication network a special server that stores a database of all registered messages about the person of the called user, or by checking the selected messages about the person when registering the user as a client telecommunication networks.
- the uniqueness of the message about the person of the shareholder’s user can be ensured only within the framework of a certain region of the user's location, and the message about the region of location can be generated by the user in a usual and convenient way to remember.
- the totality of the features of this method according to paragraph 4 of the claims allows to ensure the uniqueness of the message about the person of the calling user, in comparison with similar purpose messages from other users.
- the uniqueness of the message about the person of the calling user can be established in any way, for example, by requesting through a telecommunications network a special server that stores a database of all registered messages about the person of the calling user, or by checking the selected messages about the person when registering the user as a client telecommunication networks.
- the totality of the features of this method according to paragraph 5 of the claims allows to ensure the eligibility of the called user to use the message about the person of the called user as their personal address and the eligibility of access of the called user to the telecommunications network.
- the called-up user’s personal account code is additionally generated in the device 1 of the called user and this code is transmitted together with other generated messages to the telecommunications network, and in the intermediate device 4, which has a communication channel with the called-up device 1, the obtained code value is additionally compared with the code value that was earlier, for example, during registration, it was recorded in the database for a user having a message about the person of the called user matching the received message about the person of the called user, when the compared codes match, the eligibility of the called user to use the message about the person of the called user and the eligibility of the called user to the telecommunications network, and if the compared codes do not match, they discard the received information.
- the caller’s personal account code is additionally generated in the device 5 of the calling user and this code is transmitted along with other generated messages to the telecommunications network, and in the intermediate device b, which has a communication channel with the caller’s device 5, the obtained value is additionally compared code with the code value that was previously, for example, during registration, recorded in the database for a user who has a message about the person of the calling user, matching giving to the received message about the caller, the coincidence of the compared codes establish eligibility to use the calling user message about the calling user and eligibility to access the calling user in the telecommunications network, and when the compared codes do not coincide - this information is discarded.
- the set of features of this method according to paragraph 7 of the claims provides the technical conditions for more efficient processing of information about the communication session in the intermediate devices.
- a message about the characteristics of communication channels is formed in the form of a message containing a sequence of channel numbers, and in each intermediate device, this sequence is supplemented with a pair of channel numbers when transmitting a message about the person of the called user from the device 5 of the calling user and changes this sequence to a pair of their numbers channels when transmitting from the device 1 of the called user a consent message to start a communication session.
- the totality of the features of this method according to paragraph 8 of the claims allows to expand the arsenal of technical capabilities for the implementation of the communication session due to the possibility of choosing in intermediate devices the most optimal option for transmitting communication session information.
- each intermediate device of the telecommunication network that receives and transmits information from the device 5 of the calling user, containing a message about the person of the called user, an additional message is generated on the signs of communication channels of this intermediate device, which may participate in the reception and transmission of information in the process communication session between devices 5 and 1, respectively, you- calling and called users, and include the generated message in the message block from the device 5 of the calling user, in the device 1 of the called user before starting a communication session when generating a message about the signs of communication channels for each intermediate device that sent messages from the device 5 of the calling user, additionally include in this message signs of communication channels for each intermediate device that may participate in a communication session, and send generated messages
- I select the sign of the communication channel according to a certain criterion for subsequent transmission of the received messages to the telecommunications network, in the intermediate devices 4, 9, 6 of the telecommunications network messages and transmit on this
- a connection number unique to the device 5 of the calling user is additionally extracted from the database and included in the generated message block in the called user device 1 before the beginning of a communication session when generating a message on the signs of communication channels for each intermediate device of the telecommunication network that transmitted a message about the person of the called user from the device 5 of the calling user, additionally include in these messages a message about a unique connection number for the device 5 of the calling user and a message about a unique the connection number for the called user device 1, during the communication session in the calling device 5 and the called user device 1 when receiving information, they additionally compare the unique connection number for their own device with the number obtained in the sequence of signs of communication channels, and if the corresponding numbers do not match, the received communication session information is discarded.
- the set of features of this method according to claim 11 of the claims provides the creation of technical conditions in a user device to increase the processing speed of incoming data from a communication session. For this, a message on the signs of communication channels for each intermediate device of the telecommunications network and unique connection numbers for user devices are placed in the address part of the communication session messages.
- the set of features of this method according to paragraph 12 of the claims provides the creation of technical conditions in the user device for quick exclusion from processing of incoming data addressed to other devices.
- the message on the characteristics of communication channels for transmitting information of the communication session is additionally stored, and during the communication session when receiving information of the communication session, the received message on the characteristics of communication channels for transmitting information of the session is compared communication with previously memorized and with a mismatch of the corresponding messages discard the received information of the communication session.
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA201003068A UA101330C2 (ru) | 2007-08-17 | 2008-08-15 | Способ осуществления персонального сеанса связи между пользователями сети телекоммуникаций |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2007131319/07A RU2453053C2 (ru) | 2007-08-17 | 2007-08-17 | Способ осуществления персонального сеанса связи между пользователями сети телекоммуникаций |
RU2007131319 | 2007-08-17 |
Publications (1)
Publication Number | Publication Date |
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WO2009035371A1 true WO2009035371A1 (ru) | 2009-03-19 |
Family
ID=40452231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/RU2008/000536 WO2009035371A1 (ru) | 2007-08-17 | 2008-08-15 | Способ осуществления персонального сеанса связи между пользователями сети телекоммуникаций |
Country Status (3)
Country | Link |
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RU (1) | RU2453053C2 (ru) |
UA (1) | UA101330C2 (ru) |
WO (1) | WO2009035371A1 (ru) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050027866A1 (en) * | 2001-12-21 | 2005-02-03 | Jorma Seurujarvi | Intercepting a call connection to a mobile subscriber roaming in a visted plmn (vplmn) |
RU2257681C2 (ru) * | 2000-04-27 | 2005-07-27 | Ракушин Александр Степанович | Способ персонального вызова абонента телефонной сети (варианты) |
US20070127418A1 (en) * | 2003-10-20 | 2007-06-07 | Joh. Heinr. Bomemann Gmbh | Network and node for providing a secure transmission of mobile application part messages |
-
2007
- 2007-08-17 RU RU2007131319/07A patent/RU2453053C2/ru not_active IP Right Cessation
-
2008
- 2008-08-15 WO PCT/RU2008/000536 patent/WO2009035371A1/ru active Application Filing
- 2008-08-15 UA UAA201003068A patent/UA101330C2/ru unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2257681C2 (ru) * | 2000-04-27 | 2005-07-27 | Ракушин Александр Степанович | Способ персонального вызова абонента телефонной сети (варианты) |
US20050027866A1 (en) * | 2001-12-21 | 2005-02-03 | Jorma Seurujarvi | Intercepting a call connection to a mobile subscriber roaming in a visted plmn (vplmn) |
US20070127418A1 (en) * | 2003-10-20 | 2007-06-07 | Joh. Heinr. Bomemann Gmbh | Network and node for providing a secure transmission of mobile application part messages |
Non-Patent Citations (1)
Title |
---|
"Telekommunikatsii,Rukovodstvo dlya nachinajuschikh", 2003, BKHV-PETERBURG, SANKT-PETERBURG, pages: 510 - 511 * |
Also Published As
Publication number | Publication date |
---|---|
RU2453053C2 (ru) | 2012-06-10 |
RU2007131319A (ru) | 2009-02-27 |
UA101330C2 (ru) | 2013-03-25 |
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