WO2006038435A1 - Sipサーバ - Google Patents
Sipサーバ Download PDFInfo
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- WO2006038435A1 WO2006038435A1 PCT/JP2005/016759 JP2005016759W WO2006038435A1 WO 2006038435 A1 WO2006038435 A1 WO 2006038435A1 JP 2005016759 W JP2005016759 W JP 2005016759W WO 2006038435 A1 WO2006038435 A1 WO 2006038435A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sip
- network
- carrier
- terminal
- telephone
- Prior art date
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- 238000004891 communication Methods 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 description 24
- 239000003795 chemical substances by application Substances 0.000 description 23
- 238000010586 diagram Methods 0.000 description 22
- 239000000969 carrier Substances 0.000 description 18
- 238000012545 processing Methods 0.000 description 18
- 238000012546 transfer Methods 0.000 description 11
- 230000011664 signaling Effects 0.000 description 7
- 208000032041 Hearing impaired Diseases 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 101000961042 Pseudopleuronectes americanus Ice-structuring protein A Proteins 0.000 description 3
- 101000961041 Pseudopleuronectes americanus Ice-structuring protein B Proteins 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 101100113576 Arabidopsis thaliana CINV2 gene Proteins 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- 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
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- 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
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/106—Mapping addresses of different types across networks, e.g. mapping telephone numbers to data network addresses
-
- 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
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/104—Signalling gateways in the network
-
- 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
- H04L65/10—Architectures or entities
- H04L65/1053—IP private branch exchange [PBX] functionality entities or arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/65—Telephone numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/20—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place hybrid systems
- H04M2207/203—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place hybrid systems composed of PSTN and data network, e.g. the Internet
Definitions
- the present invention relates to an extension network SIP server that controls communication between SIP terminals in a SIP extension network uniquely constructed on the Internet.
- VoIP networks carrier communication networks
- IP phone number (050 phone number) assigned to the carrier.
- each carrier operates its own carrier VoIP network.
- the object of the present invention has been made in view of the above-mentioned circumstances, and is unique without preparing facilities such as a customer information database and an IP call control device according to the system specifications of the telecommunications carrier.
- the purpose is to provide a SIP server that can connect terminals in the communication network to the carrier VoIP network, simplify the system configuration, and reduce costs.
- the present invention provides a SIP server that controls connection between SIP terminals in a unique SIP network constructed on the Internet, and acquires one or a plurality of carrier specific numbers or representative numbers from each carrier, and Communication network power
- the carrier specific number or representative number is used for incoming calls or outgoing calls to the carrier communication network, and within the original SIP network, connection control is performed using the specific number within the original network.
- the SIP server is handled as a user agent for each carrier communication network, so a customer information database that matches the system specifications of the carrier.
- connection control is performed using a specific number in the original network, and this SIP server acts as the connection to the carrier communication network. It is no longer necessary to have functions, and implementation can be reduced.
- the present invention it is possible to connect a terminal in a unique communication network to a carrier communication network without preparing a customer information database, an IP call control device, and the like according to the system specifications of the telecommunications carrier.
- FIG. 2 In the network configuration shown in Figure 1, the Internet network, ISP network, SIP extension network, V Conceptual diagram showing the relationship between oIP and PSTN networks
- FIG. 7A Diagram showing the state of specific numbers of the source and destination in the carrier VoIP network and SIP extension network when there is an incoming call to the SIP extension network
- FIG. 7B Diagram showing the state of specific numbers of the source and destination in the carrier VoIP network and SIP extension network when the SIP extension network power is also incoming
- FIG. 8 A diagram showing a specific example of an INVITE request when there is an incoming call to the SIP extension network.
- Figure 9 According to the combination of the telephone number and the caller source when receiving an IP phone in the SIP extension network. Diagram showing connected procedure
- FIG. 10 Diagram showing the connection paths corresponding to the combinations shown in FIG.
- FIG. 11 Diagram showing the connection procedure according to the combination of phone number and destination when an IP phone in the SIP extension network makes a call.
- FIG. 12 Schematic diagram when IP phone power within the SIP extension network also receives application services
- Figure 13 Schematic diagram when IP telephone power outside the SIP extension network also receives application services
- Figure 14 From VoIP network IP telephones Diagram showing the procedure for connecting to an application during a call with an IP phone in the SIP extension network
- FIG. 1 is a configuration diagram of an entire network including an extension network SIP server.
- ISP networks 11, 12, and 13 managed by multiple Internet service providers ISP-A, ISP-B, and ISP-C are built on the Internet.
- IP telephones 18 and 19, IP TV 20 and IP video camera 21 are connected to ISP networks 11, 12 and 13 via routers 14, 15, 16 and 17.
- These terminals are terminals that have contracted with the corresponding ISP-A, ISP-B, ISP-C.
- the corresponding ISP-A, ISP-B, ISP-C power IP addresses are assigned.
- An original SIP communication network (hereinafter referred to as “SIP extension network” V) is constructed across multiple ISP networks 11, 12, and 13.
- the SIP extension network 10 assigns an extension number to each SIP terminal based on its own telephone number system! A SIP terminal that has been contracted with an operator operating the SIP extension network 10 and assigned an extension number becomes a terminal in the SIP extension network 10. The terminal in the SIP extension network 10 registers the extension number and IP address in the extension network SIP server described later.
- the SIP extension network 10 uses SIP for connection of SIP terminals in the extension network.
- the powers of IP telephones 18 and 19, IP TV 20 and IP video camera 21 are exemplified as SIP terminals.
- the present invention is not limited to these Internet home appliances. Connection control of SIP terminals belonging to the SIP extension network 10 is performed by the extension network SIP server 30 on the Internet network.
- FIG. 1 illustrates a state in which an IP telephone 46 and other IP terminals 47 are connected to the VoIP network 41 via routers 44 and 45.
- Each subscriber terminal (IP phone 46, etc.) of the VoIP network 41, 42, 43 is assigned a specific number for IP phone (hereinafter referred to as 050 phone number) based on the carrier power 0 50 system of the connection destination. ing .
- the subscriber terminal connects to the VoIP network 41, 42, 43 with which the contract is made using the 050 telephone number.
- VoIP networks 41, 42 and 43 are equipped with carrier SIP Sano 51, 52 and 53 power!
- Carrier SIP servers 51, 52, and 53 control connection of subscriber terminals of the same carrier in VoIP networks 41, 42, and 43 of their own carriers, and also connect to VoIP networks (41, 42, and 43) of different carriers. Connect to control the connection of different carrier subscriber terminals.
- Each carrier A, B, C manages the PSTN networks 54, 55, 56, and also connects between the PSTN network and the VoIP network.
- the P STN networks 54, 55, 56 are connected to general telephones 57, 58, 59 of subscribers who have contracted with each carrier.
- FIG. 2 is a conceptual diagram showing the relationship among the Internet network, ISP network, SIP extension network, VoIP network, and PSTN network in the network configuration shown in FIG.
- a plurality of ISP networks 11, 12, and 13 are constructed on the Internet network, and the SIP extension network 10 is constructed across the ISP networks 11, 12, and 13.
- Carriers A, B, and C's VoIP networks 41 and 42 (43) are also on the Internet.
- the PSTN network 54, 55 (56) is connected to the VoIP network 41, 42 (43).
- FIG. 3 is a system configuration diagram of the extension network SIP server 30.
- the extension network SIP server 30 includes a SIP main body 31, a SIP connection control unit 32, a SIP interconnection unit 33, and a database 34 as main components.
- the extension network SIP server 30 may be constructed by an ISP, or may be constructed in a carrier network management system.
- the SIP extension network 10 has the function as a connection control means to transmit to the VoIP network using the 050 telephone number to which the corresponding carrier power is given with reference to the database 34 when there is an outside line transmission to the carrier's VoIP network (carrier communication network). .
- the SIP connection control unit 32 receives the signal (IP packet) transmitted from the SIP terminal in the SIP extension network 10 to the extension network SIP server 30 as well as the Internet network strength, and the extension network SIP server 30 This is the part that sends signals (IP packets) sent to SIP terminals in the SIP extension network 10 to the Internet network.
- the SIP main unit 31 performs signaling control for the SIP terminal, but the SIP connection control unit 32 performs other connection control via the Internet network.
- the SIP interconnection unit 33 accommodates the 050 telephone number assigned to the user agent registered in the carrier A, B, instead of the SIP terminal in the SIP extension network 10.
- all SIP terminals in the SIP extension network 10 can be registered as user agents in the carriers A, B, and C, a predetermined number of user agents should be registered in the carriers A, B, and C. Also good.
- control is performed so that the caller's 050 telephone number is dynamically assigned.
- a plurality of user agents (UA) are registered for a plurality of carriers A, B, and C, and each carrier A, B, and C power is also given to the user agent (UA).
- the 050 telephone number is stored in the SIP interconnection 33. Therefore, incoming calls from VoIP networks 41, 42, 4 3 to the 050 telephone number of each carrier accommodated in SIP interconnection 33
- the 050 telephone number capacity accommodated by the SIP interconnection unit 33 also makes a call to the VoIP network 41, 42, 43 of the corresponding carrier.
- the 050 phone number also includes the concept of a representative number. Also, assuming a 050 phone number consisting of an IP phone identification number (050) + carrier identification number + subscription number! /, It is not limited to such a numbering system.
- the carrier SIP server 51 of carrier A stores information on the IP call control device 61 that performs connection control (call control) based on SIP and each user agent registered in carrier A. And a registered database 62.
- the database 62 stores the 050 telephone number assigned to the registered user agent and the IP address of the registered user agent in association with each other.
- the carrier SIP servers 52 and 53 of other carriers B and C have the same configuration.
- the IP address of the user agent is the IP address of the SIP interconnect 33.
- the database 34 manages connection control data including the 050 telephone number accommodated in the IP interconnection unit 33 and the extension number of the SIP terminal in the SIP extension network 10 (unique network specific number).
- the connection control data includes the IP address assigned to the SIP terminal by the contracted ISP.
- Fig. 5 shows the correspondence between 050 telephone numbers and extension numbers.
- the carrier A database 62 stores the 050 telephone number assigned to the subscriber terminal (UA) and its IP address, and the extension network SIP server 30 is virtually registered in part of the subscriber terminal (UA). Included user agents (050-1234-5678).
- the IP address of the virtual user agent is the IP address of the SIP interconnection unit 33.
- the carrier B database 62 includes user agents virtually registered by the extension network SIP server 30 (050-2345-6789).
- the 050 telephone number, extension number, and IP address of the user agent registered in each carrier A and B are registered!
- the 050 telephone number and the extension number correspond one-to-one.
- a single 050 phone number that does not necessarily have a one-to-one correspondence and that has been given carrier power can be used by multiple SIP terminals in the SIP extension network 10. In this case, multiple extension numbers correspond to one 050 phone number.
- 050 phone number is one of multiple 050 numbers obtained from one carrier or given by carrier Or a so-called representative number.
- the SIP main unit 31 refers to the database 34 and replaces the carrier's 050 telephone number with the extension number of the SIP extension network 10.
- extension network SIP server 30 configured as described above will be specifically described.
- IP phone 18 of SIP extension network 10 receives an incoming call from VoIP network 41 of carrier A and when IP phone 18 of SIP extension network 10 receives Vo IP of carrier A A case where an outside line is transmitted to the network 41 will be described.
- the extension number (8712-3456) of the IP telephone 18 is associated with the 050 telephone number (050-1234-5678) of the SIP interconnection unit 33.
- IP phone 46 which is a carrier A subscriber terminal, dials carrier A's 050 telephone number (050-1234-5678) to place a call to the destination IP phone 18.
- Carrier A's 050 telephone number (050-1234-5678) is an IP telephone number assigned by carrier A to a user agent who has virtually registered with carrier A instead of IP telephone 18.
- the IP telephone 46 performs call processing to the carrier A VoIP network 41. That is, an INVI TE request with the 050 telephone number (050-1234-5678) as the destination is transmitted to the carrier SIP server 51 of the VoIP network 41.
- the carrier SIP server 51 When the carrier SIP server 51 receives the INVITE request from the IP telephone 46, the carrier SIP server 51 refers to the database 62 and acquires the IP address of the destination telephone number (050-1234-5678). Then, an INVITE request is sent to the IP address of the destination telephone number (050-1234-5678).
- the IP address registered in the database 62 corresponding to the destination telephone number (050-1234-5678) is the IP address of the extension network SIP server 30. Therefore, the INVITE request is transmitted to the SIP interconnection unit 33. From carrier A's point of view, the SIP interconnect 33 that accommodates the destination telephone number (050-1234-5678) is the final called terminal. In other words, when the I NVITE request arrives at the SIP interconnection unit 33 from the VoIP network 41, the call is made to the destination telephone number (050-1234-5678).
- Extension network When the SIP server 30 receives an incoming call to the SIP interconnection section 33, the SIP main body 31 changes the destination telephone number from the 050 telephone number (050-1234-5678) to the extension number (8712-3456). In Replace. Referring to the database 34, the extension number (8712-3456) of the IP telephone 18 that is the original destination is registered in correspondence with the 050 telephone number (050-1234-5678) received this time. Therefore, the extension number (8712-3456) of the IP telephone 18 that is the original destination is acquired from the database 34, and the acquired extension number (8712-3456) is rewritten to the destination telephone number.
- the INVITE request in which the destination telephone number is rewritten to the extension number is transmitted from the extension network S IP server 30 to the IP telephone set 18.
- the IP address of the IP telephone 18 is acquired from the database 34, and the IP packet of the INVITE request in which rewriting is performed for the acquired IP address is transmitted.
- the destination IP phone 18 receives the INVITE request via the Internet network.
- Carrier A's VoIP network 41 is set to the source of the INVITE request with the 050 telephone number (050-1234-7890) of carrier A of IP phone 46
- the 050 phone number (050-1234-5678) of Carrier A is set as the destination.
- the INVITE request destination is changed from the carrier A's 050 telephone number (050-123 4-5678) to the SIP extension network 10 extension number (8712-3456).
- FIG. 8 shows a specific example of an INVITE request passing through the VoIP network 41 and the SIP extension network 10 corresponding to the upper part of FIG. 7A.
- the to: field of the INVITE request is rewritten from the 050 telephone number of carrier A to the extension number of SIP extension network 10!
- the IP telephone 18 as the call destination receives the INVITE request and recognizes that an outside line has been received.
- the IP telephone 18 that has recognized the incoming call returns a response to the INVITE request.
- the destination since the IP telephone 18 to the SIP connection control unit 32 of the extension network SIP server 30 is the SIP extension network 10, the destination (viewed from the calling side) has an IP address.
- the telephone 18 extension is used.
- the SIP connection control unit 32 receives a response from the IP telephone 18 of the SIP extension network 10
- the SIP main body 31 determines the destination from the extension number (8712-3456) to the carrier A as shown in the lower part of FIG. 7A. Rewrite to 050 phone number (050-1234-5678). In this way, the response with the rewritten destination is transmitted to the carrier SIP server 51 of the VoIP network 41.
- the carrier SIP server 51 receives a response from the extension network SIP server 30.
- the response destination (from the caller's point of view) has been rewritten to carrier A's 050 telephone number (050-1234 -5678), so the VoIP network 41 has a 050 telephone number (050-1234- 5678) is recognized as a response from the SIP interconnection unit 33.
- the carrier SIP server 51 of the VoIP network 41 has performed normal signaling with the SIP interconnection unit 33 as the transmission destination. There is no need to be aware of the signaling with the IP telephone 18, which is a SIP terminal in the SIP extension network 10. This is the same even if the SIP terminal in the SIP extension network 10 is a network home appliance other than the IP telephone 18.
- the extension network SIP server 30 exchanges signaling messages such as 200OK and ACK requests while exchanging the destination telephone number at the boundary between the VoIP network 41 and the SIP extension network 10, and performs a session. Establish.
- the IP phone 46 and the IP phone 18 perform RTP voice connection to each other's IP address and perform voice communication or data communication.
- a user who makes a call from the IP telephone 18 of the SIP extension network 10 to the IP telephone 46 of the carrier A dials the 050 telephone number (050-1234-7890) in the carrier A of the IP telephone 46.
- the IP telephone 18 performs call processing to the extension network SIP server 30.
- an INVITE request with the extension number (8712-3456) of IP phone 18 as the caller and the 050 phone number (050-1234-7890) at carrier A of IP phone 46 as the callee Send a strike.
- the INVITE request is sent to the IP address of the extension network SIP server 30 in the form of an IP packet.
- Extension network SIP server 30 recognizes that the SIP connection control unit 32 has received the INVITE request by analyzing the IP packet received from the SIP extension network 10.
- the SIP main unit 31 receives the INVIT E request, the SIP main unit 31 refers to the database 34, and sets the carrier A corresponding to the extension number (8712-3456) as the source specific number that can be used in the destination carrier A VoIP network 41. Get a 050 phone number (050-1234-5678).
- the carrier A corresponding to the extension number (8712-3456) is replaced with the 050 telephone number (050-1234-5678) as shown in Fig. 5. Do.
- SIP main unit 31 generates an INVITE request in which the caller identification number is changed to carrier A's 050 telephone number (050-1234-5678), and the generated INVITE request is transferred from SIP interconnection unit 33 to carrier A's carrier SIP server. Send to 51.
- the extension number and the 050 telephone number of the connected carrier do not have a one-to-one correspondence.
- Carrier A carrier SIP server 51 receives the INVITE request in which the caller identification number is changed to carrier A 050 telephone number.
- Carrier SIP server 51 recognizes the destination 050 telephone number (050-1234-7890) from the IN VITE request and IP address corresponding to the destination identification number (050-1234-7890) from database 62. To get.
- the carrier SIP server 51 sends an INVITE request to the IP address of the destination IP telephone 46. As a result, the call arrives at the IP telephone 46.
- the carrier SIP server 51 When the carrier SIP server 51 receives a response from the IP telephone 46 that has received an incoming call, it returns the response to the caller identification number (050-1234-5678) included in the response. Since the caller identification number (050-1234-5678) is a 050 telephone number accommodated by the SIP interconnection unit 33, a response is transmitted to the SIP interconnection unit 33.
- the SIP main unit 31 changes the source identification number (050-12 34-5678) of the received response from the 050 telephone number of the carrier A to the extension number of the SIP extension network 10 (8712-3456) Then, the response is forwarded to the IP phone 18 of the transmission source.
- Signaling messages such as 200OK and ACK requests are performed in the same manner as described above, while the caller identification number is changed in the SIP body 31 between the caller IP phone 18 and the callee IP phone 46.
- the SIP interconnection unit 33 is connected to the carrier Vo IP network in the form of emulation. Therefore, the SIP terminals in the SIP extension network 10 can be Equivalent communication is possible and implementation can be reduced. Further, the terminal on the carrier communication network side can be connected without being aware that the SIP terminal in the SIP extension network 10 is a network home appliance. In addition, the extension network SIP server 30 can communicate between carriers just like the carrier SIP servers 51, 52, and 53 just by having 050 telephone numbers of virtual user agents registered in multiple carriers A, B, and C. It is possible to connect to each carrier communication network without having customer information database, IP call control equipment, etc.
- the extension number of IP telephone 18 is associated with a 050 telephone number on a one-to-one basis (with a 050 number) and not associated with a one-to-one basis (without a 050 number). Furthermore, there are cases where a representative number is associated with the extension number of the IP telephone 18 (with a representative number) and cases where a representative number is not associated (without a representative number).
- the source is a SIP terminal (extension phone) in the S IP extension network 10, an IP phone (other IP phone) that receives calls from the carrier VoIP network, a carrier PSTN network, a general phone that receives calls via the carrier VoIP network (general phone) ) Is assumed.
- FIG. 9 is a diagram showing a connection example according to a combination of a telephone number and a caller when receiving an incoming call to the IP telephone 18 in the SIP extension network 10.
- IP phone 19 When the extension number of the IP phone 18 is dialed, the IP phone 19 connects to the IP phone 18 via the extension network SIP server 30 and notifies the IP phone 18 of its extension number (route (# in FIG. 10)). 1)). Since the route (# 1) is closed in the SIP extension network 10, there is no charge. 'Source: IP phone of same carrier A 46
- IP phone 46 connects to IP phone 18 via VoIP network 41 and extension network SIP server 30 of the same carrier A (route (# 2) in FIG. 10). Communicate your 050 phone number to IP phone 18 via extension network SIP server 30.
- the same carrier is a carrier in which the SIP interconnection unit 33 registers a virtual user agent. 050 telephones that were also given to user agents for their career power The number is stored in the SIP interconnect 33. 'Source: Other carrier X IP phone 22
- the IP phone 22 When the IP phone number of the IP phone 18 is dialed, the IP phone 22 is connected to the IP phone 18 via the carrier X VoIP network 23, the VoIP network 42 of the same carrier B, and the extension network SIP server 30 (FIG. 10). Route (# 3)).
- the SIP interconnection unit 33 virtually registers a user agent with carrier B and is given carrier B's 050 telephone number.
- carrier B's VoIP network 42 is the same carrier.
- the SIP interconnection unit 33 does not virtually register the user agent in the carrier X. Therefore, a charge is incurred on the VoIP network 42 of the carrier B for the IP telephone 22 on the route (# 3).
- 'Source PSTN network 54 general telephone 57
- the general telephone 57 connects to the VoIP network 41 of the same carrier A via the PSTN network 54 and then connects to the IP telephone 18 via the extension network SIP server 30 ( Figure 10 path (# 4)). In this case, the PSTN network 54 will incur charges.
- callee side telephone number pattern B 'Source IP telephone in SIP extension network 10 19
- IP phone 19 When the extension number of the IP phone 18 is dialed, the IP phone 19 connects to the IP phone 18 via the extension network SIP server 30 and notifies the IP phone 18 of its extension number (route (# in FIG. 10)). 1)).
- ⁇ Source IP phone of same carrier A 46
- IP phone 46 When the 050 telephone number or representative number of IP phone 18 is dialed, IP phone 46 connects to IP phone 18 via VoIP network 41 and extension network SIP server 30 of the same carrier A (route (# 2 in FIG. 10)). )). Notify the callee of 050 phone number as the caller identification number.
- ⁇ Source IP phone of other carrier X 22
- the IP phone 22 When the IP phone number or representative number of the IP phone 18 is dialed, the IP phone 22 connects to the IP phone 18 via the carrier X VoIP network 23, the VoIP network 42 of the same carrier B, and the extension network SIP server 30. (Route (# 3) in Fig. 10). At this time, the carrier B's VoIP network 42 is charged. 'Source: PSTN network 54 general telephone 57
- the general telephone 57 processes the call to the PSTN network 54, connects from the PSTN network 54 to the VoIP network 41 of the same carrier A, and then extends from there. Connect to IP phone 18 via network SIP server 30 (route (# 4) in Fig. 10). This In this case, charges are incurred in the PSTN network 54. (3) If the phone number pattern on the called side is' Source: IP phone in SIP extension network 19 19
- IP phone 19 When the extension number of the IP phone 18 is dialed, the IP phone 19 connects to the IP phone 18 via the extension network SIP server 30 and notifies the IP phone 18 of its extension number (route (# in FIG. 10)). 1)).
- ⁇ Source IP phone of same carrier A 46
- extension network SIP server 30 When the representative number of the IP telephone 18 is dialed, the IP telephone 46 makes a call process to the VoIP network 41 of the carrier A, and the VoIP network 41 receiving the call makes a call process to the extension network SIP server 30.
- Extension network When the SIP server 30 receives a call to a representative number, it prompts for the extension number by voice guidance. When an extension number is input from IP phone 46 according to the voice guidance, extension network SIP server 30 connects to IP phone 18 corresponding to the extension number (route (# 2) in FIG. 10). 'Source: Other carrier X IP phone 22
- the IP telephone set 22 makes a call process to the VoIP network 23 of the carrier X and further processes the call from the VoIP network 23 to the VoIP network 42 of the carrier B.
- the VoIP network 42 makes a call to the extension network SIP server 30 using the representative number.
- Extension network When the SIP server 30 receives a call to a representative number, it prompts for the extension number by voice guidance.
- the extension network SIP server 30 connects to the IP telephone 18 corresponding to the extension number (route (# 3) in FIG. 10). At this time, the carrier B's VoIP network 42 is charged.
- 'Source PSTN network 54 general telephone 57
- the general telephone 57 makes a call processing to the PSTN network 54, and the PSTN network 54 that receives the call connects to the VoIP network 41 of the carrier A.
- the VoIP network 41 of the carrier A makes a call processing to the extension network SIP server 30 that accommodates the representative number.
- Extension network When the SIP server 30 receives a call to a representative number, it prompts for the extension number by voice guidance.
- the extension network SIP server 30 connects to the IP telephone 18 corresponding to the extension number (route (# 4) in FIG. 10). In this case, the PSTN network 54 is charged.
- FIG. 11 is a diagram showing a connection example according to a combination of a telephone number and a destination when the IP telephone 18 in the SIP extension network 10 makes a call.
- calling party phone number pattern A 'Callee IP telephone in SIP extension network 19
- the IP telephone 18 makes a call process to the extension network SIP server 30.
- the extension network SIP server 30 is connected to the IP telephone 19 from the SIP connection control unit 32, and notifies the IP telephone 19 of the extension number of the IP telephone 18 (route (# 1) in FIG. 10). In this case, there is no charge because the communication is within the SIP extension network 10. 'Destination: IP phone of same carrier A 46
- IP telephone 18 makes a call to extension network SIP server 30.
- the extension network SIP server 30 makes a call processing to the VoIP network 41 of the same carrier A using the 050 telephone number of the carrier A.
- the carrier SIP server 51 of the VoIP network 41 performs call processing for the IP telephone 46 having the 050 telephone number for which a call request has been made. As a result, it connects to the IP telephone 46 via the extension network SIP server 30 and VoIP network 41 (route (# 2) in FIG. 10). Enter the 050 phone number of IP phone 18 as the caller identification number and notify the callee. Since the VoIP network 41 is the same carrier as viewed from the extension network SIP server 30, no charges are incurred.
- the IP telephone 18 makes a call to the extension network SIP server 30.
- the extension network SIP server 30 makes a call process to the VoIP network 42 of the same carrier B using the 050 telephone number of the same carrier B as the caller telephone number.
- the destination telephone number is Carrier X's 050 telephone number.
- the carrier SIP server 52 of the carrier B makes a call processing to the VoIP network 23 of the carrier X because the destination telephone number is the 050 telephone number of the carrier X.
- the VoIP network 23 of carrier X receives this call processing and connects to the IP telephone 22 via the VoIP network 23 (route (# 3) in FIG. 10). At this time, the carrier X VoIP network 23 is charged.
- PSTN network 54 general telephone 57
- the IP telephone 18 makes a call process to the extension network SIP server 30.
- the extension network SIP server 30 recognizes that the destination telephone number is the PSTN network telephone number of the carrier A, and makes a call processing to the VoIP network 41 of the carrier A. At this time, the caller identification number is replaced with the carrier A 050 phone number.
- the VoIP network 41 connects to the PSTN network 54 based on the destination telephone number, and makes a call from the PSTN network 54 to the general telephone 57 (route (# 4) in FIG. 10). In this case, the PSTN network 54 will incur charges.
- the IP telephone 18 makes a call process to the extension network SIP server 30 and notifies its own extension number.
- the extension network SIP server 30 connects to the IP telephone 19 having the caller identification number from the SIP connection control 32, and notifies the extension number (route (# 1) in FIG. 10). In this case, there is no charge because the communication is within the SIP extension network 10.
- 'Callee IP phone of same carrier A 46
- the IP telephone 18 When the 050 telephone number of the IP telephone 46 is dialed, the IP telephone 18 performs call processing to the extension network SIP server 30 and notifies the other party of the 050 number as the caller number.
- the extension network SIP server 30 performs a call processing to the VoIP network 41 of the carrier A from the caller identification number, and the VoIP network 41 connects to the IP telephone 46 (route (# 2) in FIG. 10). In this case, the VoIP network 41 of carrier A is the same carrier, so no charge is incurred.
- the IP telephone 18 makes a call process to the extension network SIP server 30 and puts the 050 number in the caller number and notifies the other party.
- Extension network SIP server 30 does not accommodate a 050 telephone number for direct connection to carrier X's VoIP network 23, where the caller identification number is a carrier X 050 telephone number. Therefore, the extension network SIP server 30 makes a call processing to the VoIP network 42 of the same carrier B.
- carrier P's Vol P network 42 is the 050 telephone number of the carrier X as the destination identification number
- call processing is made to the VoIP network 23 of the carrier X by inter-carrier communication, and the IP from the VoIP network 23 of the carrier X Connect to the telephone 22 (route (# 3) in FIG. 10).
- a charge is generated in the VoIP network 23 of Carrier X.
- Fig. 11 it is possible to make a call using a representative number as the power source number, which illustrates the case of using a 050 phone number.
- the IP telephone 18 puts a representative number in the transmission source number and puts its own extension number in the transfer source number.
- PSTN network 54 general telephone 57
- the IP telephone 18 makes a call process to the extension network SIP server 30 and puts the 050 number in the caller number and notifies the other party.
- Extension network Since the SIP server 30 is the telephone number of the PSTN network 54 of the carrier A whose destination identification number is the call number, it processes the call to the VoIP network 41 of the carrier A.
- the VoIP network 41 is connected to the PSTN network 54 from the VoIP network 41 and makes a call from the PSTN network 54 to the general telephone 57 (see FIG. 10). Route (# 4)). In this case, a charge is generated in the P STN network 54.
- Route (# 4) a charge is generated in the P STN network 54.
- the IP telephone 18 puts a representative number in the transmission source number and puts its own extension number in the transfer source number.
- IP phone of same carrier A 46 When the extension number of the IP phone 19 is dialed, the IP telephone set 18 makes a call process to the extension network SIP server 30 and notifies the extension number as the caller identification number.
- the extension network SIP server 30 is connected to the IP telephone 19 via the SIP extension network 10 and notifies the extension number as the caller identification number (route (# 1) in FIG. 10). ⁇ Destination: IP phone of same carrier A 46
- IP telephone 18 processes the call to extension network SIP server 30 and uses the representative number as the caller identification number and its extension number as the transfer source number. To be notified.
- the extension network SIP server 30 makes a call processing to the VoIP network 41 of the carrier A with the caller identification number power, and notifies the representative number as the caller identification number and the extension number as the transfer source number.
- the carrier SIP server 51 of carrier A connects to the IP telephone 19 via the VoIP network 41 and notifies the representative number as the caller identification number and the extension number as the transfer source number (route (# 2) in Fig. 10). .
- the SIP interconnection unit 33 accommodates at least one of an IP telephone number or a representative number assigned to each of a plurality of carriers A, B, C and the like. Therefore, the first route connecting from the carrier A VoIP network 41 to the IP telephone 19 via the carrier B VoIP network 42 and the extension network SIP server 30 directly from the carrier B VoIP network 42 to the IP telephone 19 A second route connected to 19 can be assumed. However, there is a charge between the VoIP network 41 and the VoIP network 42 in the first route. In such a case, the 050 telephone number of the carrier VoIP network to which the callee belongs If the number is accommodated in the SIP interconnection unit 33, it is desirable to preferentially connect directly to the carrier VoIP network to which the callee belongs using the 050 telephone number. ⁇ Destination: Other carrier X IP phone 22
- the IP telephone 18 processes the call to the extension network SIP server 30, and uses the representative number as the caller identification number and the extension number as the transfer source number.
- the extension network SIP server 30 processes the call to the VoIP network 42 of carrier B because the caller identification number is carrier X's 050 telephone number, and uses the representative number as the caller identification number and the own number as the transfer source number.
- Carrier B's VoIP network 42 processes the call to carrier X's VoIP network 23, and notifies the representative number as the caller identification number and its own extension number as the transfer source number.
- Carrier X's VoIP network 23 connects to the IP phone 22 and notifies the representative number as the caller identification number and the extension number as the transfer source number (route (# 3) in FIG. 10). In this case, the carrier VoIP network 23 charges.
- the SIP interconnecting unit 33 is a 050 telephone connected to the VoIP network 23 of the carrier X, which accommodates at least one of the 050 telephone number or the representative number assigned from each of the carriers A, B, and C. The number is unaccommodated. In such a case, connection is made to the VoIP network 23 of carrier X via one of carriers A, B, and C in which virtual user agents are registered. 'Destination: PSTN network 54
- the IP telephone 18 makes a call processing to the extension network SIP server 30, and notifies the representative number as the caller identification number and its extension number as the transfer source number.
- the extension network SIP server 30 processes the call to the VoIP network 41 of the same carrier A because the destination identification number is the telephone number of the carrier A PSTN network, and sets the representative number as the source identification number. Notify your extension as a number.
- Carrier A's VoIP network 41 connects to the PSTN network 54, calls the PSTN network 54 to a general telephone 57, and notifies the representative number as the caller identification number and its extension number as the transfer source number (Fig. 10 routes (# 4)). In this case, the PSTN network 54 is charged.
- Figure 3 shows the applications on the SIP extension network 10.
- a form directly connected to the extension network SIP server 30 may be used. In either form, the application server is connected via the extension network SIP server 30.
- the ablation server assigned the extension number provides the service according to the application.
- the service name A, B of each application, the extension number assigned to the service, and the 050 phone number are associated with each other in the database 34 of the extension network SIP server 30.
- the database 34 also manages the IP addresses assigned to the SIP terminals in the SIP extension network 10.
- Extension network SIP server 30 receives an INVITE request in which the extension number of IP phone 18 is set as the caller from IP phone 18 and the extension number (8712-3456) of application A is set as the callee. That's it.
- the SIP main body 31 of the extension network SIP server 30 receives the INVITE request, it refers to the database and acquires the IP address of the application A.
- the acquired IP address is set in the header of the IP packet that includes the INVITE request in the transmission data, and sent to the Internet network.
- the application A (application server) receives the INVITE request
- the application A (application server) establishes a session with the originating IP telephone 18 by signaling via the extension network SIP server 30.
- the IP telephone 18 can receive the service provision directly via the Internet network for the application A power.
- the power to exemplify the following by voice is not limited to the voice service.
- Application A provides a service for checking the voice quality of an IP telephone. Analysis of voice packets received by IP A from IP phone 18 to check voice quality I will. The analysis result is notified to the IP telephone 18 by voice.
- Information retrieval services, karaoke scoring services, music distribution services, and other services are possible as one-way service examples provided by the application server to the terminal that requested the service.
- As an information search service it is possible to search for information in combination with voice recognition, and the application executes a search based on the voice keyword that is input as well as the terminal power connected (logged in) to the application. To the terminal by voice or data.
- the application scores the user's singing voice input (logged in) to the application, and returns the scoring result to the terminal by voice or data.
- a music distribution service if the terminal power connected to the application (logged in) also inputs the desired distribution music such as BGM, BGV, music (including melody only), the application retrieves the corresponding data from the database and sends it back to the terminal .
- a music distribution service for example, a BGM providing service and a music distribution service (including only melodies) are linked so that the user can download the BGM and listen to it before downloading the music of the BGM itself. V, hope to do.
- FIG. 13 is a conceptual diagram when the application A service is provided from the IP telephone 46 (carrier A) outside the SIP extension network 10.
- the IP telephone number (050-1234-5678) of the IP telephone 46 application A is dialed.
- the call arrives at the extension network SIP server 30 that accommodates the IP telephone number (050-1234-5678) via the carrier SIP server 51 of carrier A.
- the SIP main body 31 of the SIP server 30 When the SIP main body 31 of the SIP server 30 receives an external line at the SIP interconnection unit 33, the SIP main body 31 refers to the database 34 and obtains the extension number of the application A as the call destination. At this time, it also obtains the IP address of application A (application sano) and sends an INVITE request with application number rewritten to the extension number to application A.
- the INVITE request is transmitted by setting the IP address of application A to the destination address of the IP packet included in the transmission data and sending it to the Internet network. It is.
- application A application server
- application A application server
- IP phone 46 makes an RTP voice connection to the IP address of application A and can receive voice services directly from application A via the Internet network.
- FIG. 14 is a diagram showing a procedure from connecting to the application A during a call with the IP telephone 18 in the SIP extension network 10 from the IP telephone 46 in the VoIP network 41. It is already in a state where a call is made between the IP telephone 46 in the VoIP network 41 and the IP telephone 18 in the SIP extension network 10. In this state, the user of the IP phone 46 dials the IP phone number (050-123 4-5678) of application A. When there is a dial during the call, the IP telephone 46 executes a calling process to the IP telephone number (050-1234-5678) dialed to the carrier SIP servo 51. The IP telephone 46 transmits an INVITE request in which the IP telephone number (050-1234-5678) of application A is set as the destination to the carrier SIP server 51 by this call processing.
- Carrier SIP server 51 looks at the destination of the INVITE request received from IP telephone 46, and transmits the INVITE request to extension network SIP server 30 that accommodates the IP telephone number.
- Extension network SIP server 30 looks at the destination of the received INVITE request and connects IP telephone 18 and IP telephone 46 that are in a call to application A. That is, the extension network SIP server 30 instructs both the IP telephone 18 and the IP telephone 46 to reconnect to the application A.
- a reconnection instruction is transmitted from the SIP connection control unit 32 to the IP telephone 18 in the SIP extension network 10, and a reconnection instruction is transmitted from the SIP interconnection unit 33 to the IP telephone 46 in the carrier VoIP network 41.
- the SIP main unit 31 acquires the IP address of the database 34A application A and includes it in the reconnection instruction.
- IP phone 18 and IP phone 46 Upon receiving the reconnection instruction, IP phone 18 and IP phone 46 receive the IP address of application A. The voice connection is made to RTP, and the voice service is received. For example, application A provides a real-time translation service. In this case, IP phone 18, IP phone 46, and application A establish a session with each other, and application A sends the translated speech obtained by translating the speech received from IP phone 18 to IP phone 46, and conversely from IP phone 46. The translated voice obtained by translating the received voice is transmitted to the IP telephone 18. Alternatively, it can be controlled to provide a translation service only in one direction.
- the translation service is provided only to the IP phone 18 that is the partner terminal, or the translation is performed only to the IP phone 46 that is the own terminal.
- a service may be provided.
- the terminal that provides the service is specified by the terminal side that generated the connection request. For example, after entering the phone number of the terminal capability application, dial data to specify the terminal that provides the service.
- An example of providing voice service to both terminals connected via the extension network SIP server 30 is a weather forecast providing service. ⁇ Connect to one of the terminals or the terminal power of both terminals Connect to the weather forecast service application server (dial the phone number of the weather forecast service while in a call state) and receive the voice service of the weather forecast service .
- a maintenance service can be cited as an example of service provision for SIP terminals of the SIP extension network 10.
- a SIP terminal of the SIP extension network 10 connects to an application server that provides a maintenance service via the extension network SIP server 30 and receives services such as downloading the latest data and checking the version.
- Extension network It may be possible to receive the application server power maintenance service by dialing the telephone number of the maintenance service during a call with another terminal connected via the SIP server 30.
- FIG. 15 is a conceptual diagram for providing product order support.
- IP videophones 100 and 110 are installed at both the purchaser and the dealer.
- the IP video phone 100 includes an IP phone main body 101, a TV monitor 102 for displaying video, and a camera 103 for shooting video.
- IP videophone 100 is in SIP extension network 10 and IP videophone 110 is IP terminal 47 in carrier A's VoIP network 41.
- the purchaser dials the 050 telephone number of IP videophone 110 from IP videophone 100.
- the IP videophone 100 makes a call processing to the extension network SIP server 30.
- the extension network SIP server 30 is assigned from carrier A to carrier A's VoIP network 41 !, and makes a call processing from the 0 50 telephone number to the 050 telephone number of IP video telephone 110.
- Carrier A carrier SIP server 51 receives a call to IP videophone 110 and connects to IP videophone 110.
- IP phone 110 When the operator of the sales store receives an incoming call to IP phone 110 and turns out that IP phone 100 of the caller is an IP television phone, he activates the video communication function. Thereby, video communication can be started between IP videophone 100 and IP videophone 110 using SIP control. Video signals are sent and received directly between terminals in the same way as audio signals.
- IP video phone 110 When video communication is started, video of an operator who accepts an order is captured from camera 113 and sent from IP video phone 110 to IP video phone 100.
- IP television telephone 100 outputs a video signal to the TV monitor 102 and displays the video of the operator sent.
- the operator of the store tells the order support system of the order support screen by operating the personal computer 112 along with the order conversation.
- the order support system sends the product description screen selected according to the operation of the operator to the IP videophone main unit 111.
- the image supplied with the order support system and the image supplied from the camera 113 can be switched automatically or by operation.
- the product description screen sent to the IP videophone main body 111 is directly transmitted to the IP videophone 100 and displayed on the TV monitor 102 in the same manner as the audio signal.
- the operator can select an image of the product a with the order support system and display it on the purchaser's TV monitor 102.
- the purchaser can confirm the product he / she ordered on the TV monitor 102. Misunderstanding due to similar product names and model numbers zPreventing order mistakes can be prevented, and accurate and accurate orders can be realized.
- conversation support for the hearing impaired can be realized by combining the conversation support system using the IP videophone and an application for providing a sign language interpretation service.
- the IP videophone on the hearing impaired side and the other party's IP videophone are connected, and one of the IP videophones dials the 050 phone number of an application that provides sign language interpretation services. This causes both IP phones to reconnect to the application.
- the process so far is the same as the application example described above. After connecting to the application, it captures the camera sign language image of the hearing impaired person side and sends it to the application, and sends the speech signal translated into the application's voice to the other party's IP video phone.
- the caller's voice input to the other party's IP video phone is sent to the application, which translates it into a sign language image and sends it to the IP phone of the hearing impaired.
- the sign language image is displayed on a TV monitor connected to the IP videophone of the hearing impaired.
- the sign language interpreting service can be used simultaneously.
- the sign language interpretation service is provided to both terminals.
- the sign language interpretation service may be provided only to one terminal. For example, from one terminal, dial the 050 phone number of the application that provides the sign language interpretation service, and dial the data that specifies the terminal that provides the sign language interpretation service. As a result, both terminals are connected to the application, and sign language interpretation services are provided only to the designated terminals.
- the present invention is capable of connecting a terminal in a unique communication network to a carrier communication network without preparing a customer information database, an IP call control device, etc. according to the system specifications of the carrier. It can be applied to an extension network SIP server that controls connection of SIP terminals of the SIP extension network 10.
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Abstract
Description
Claims
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- 2005-09-12 CN CN2005800339166A patent/CN101036376B/zh not_active Expired - Fee Related
- 2005-09-12 EP EP05782108.4A patent/EP1796359A4/en not_active Withdrawn
- 2005-09-12 US US11/576,582 patent/US20070286163A1/en not_active Abandoned
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100466850C (zh) * | 2006-10-24 | 2009-03-04 | 华为技术有限公司 | 触发sip终端注册的实现方法及系统、sip服务器、及sip终端 |
WO2009015519A1 (en) * | 2007-08-02 | 2009-02-05 | Lucent Technologies Inc. | METHOD FOR PUBLISHING, QUERYING AND SUBSCRIBING TO INFORMATION BY A SIP TERMINAL IN A VoIP NETWORK SYSTEM, SIP TERMINAL, SIP APPLICATION SERVER, SIP INFORMATION CENTER AND VoIP NETWORK SYSTEM |
Also Published As
Publication number | Publication date |
---|---|
US20070286163A1 (en) | 2007-12-13 |
CN101036376B (zh) | 2011-06-15 |
CN101036376A (zh) | 2007-09-12 |
JP2006109110A (ja) | 2006-04-20 |
JP4348270B2 (ja) | 2009-10-21 |
EP1796359A1 (en) | 2007-06-13 |
EP1796359A4 (en) | 2015-01-14 |
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