TWI565290B - Apparatus for communicating with network phone and the method thereby - Google Patents

Description

Network telephone communication method and device

The present invention relates to the field of communications, and in particular, to a communication method and apparatus for a network telephone.

In the master-slave network telephone communication, the server establishes a network telephone communication connection between the calling end and the called end by the server, and the calling end and the called end lose connection when the server fails, thereby making the network The road telephone communication service is stopped. Moreover, more and more servers are now set in the cloud away from the calling end and the called end to control the network telephone communication of many calling and called terminals, so when the server fails, it causes The loss is even greater.

In a peer-to-peer network, including a group of peer-to-peer network nodes, there is no need to be relayed by the server. If the calling end obtains the connection information of the called end, the network node can establish a direct connection with the called end. Communication.

In order to solve the above problems, the present invention provides a communication method and apparatus for a network telephone, which aims to restore network telephone communication when a master-slave network fails.

A communication device for a network telephone provided in an embodiment of the present invention is applied to a master-slave network and a point-to-point network, including a master-slave communication module and a point-to-point communication module, and a master-slave communication module. Established by the server of the master-slave network The first telephone communication connection of the network telephone, and each time the first telephone communication connection is successfully established, the connection information of the network telephone is stored in the cache of the network telephone, and the point-to-point communication module is used for When the first telephone communication connection fails to be established, the connection information of the network telephone is queried in the cache of the network telephone, and the second telephone communication connection of the network telephone is established by the peer-to-peer network according to the connection information. .

Preferably, the peer-to-peer communication module includes a query unit and a connection unit, and the query unit is configured to query the cache of the caller in the cache of the caller according to the call request after the call request is sent by the calling end of the network phone. The connection information of the calling end, the connecting unit is configured to establish a second telephone communication connection of the network telephone by the peer-to-peer network according to the connection information.

Preferably, the query unit is further configured to: when the connection information of the called end of the network phone fails in the cache of the calling end, send a retrieval request to one of the network nodes of the peer-to-peer network, and according to the search Requesting to query the connection information of the called end in the network node.

Preferably, the point-to-point communication module further includes a forwarding unit, where the forwarding unit is configured to forward the search request to the peer-to-peer network in turn when the query unit fails to query the connection information of the called end in the network node. In the network node, the query unit is further configured to query the connection information of the called end among other network nodes of the peer-to-peer network according to the retrieval request.

Preferably, the forwarding unit is further configured to forward the retrieval request to the other network nodes of the peer-to-peer network before storing the unique ID in the network node; the query unit is further configured to: Before querying the connection information of the called end among other network nodes of the peer-to-peer network, discarding the retrieval request when the network node of the peer-to-peer network including the unique ID receives the retrieval request, and according to the retrieval After requesting querying the connection information of the called end in other network nodes of the peer-to-peer network, storing the unique ID in the network node in the peer-to-peer network without the connected end connection information, and according to the retrieval request Query the connection information of the called end in other network nodes of the point-to-point network.

Preferably, the device further includes a re-determining unit, configured to send, by the query unit, the reconnection request to the peer-to-peer network after querying the connection information of the called end in the other network nodes of the peer-to-peer network, and deleting the request according to the re-determination request The unique ID in the network node of the peer-to-peer network.

Preferably, the point-to-point module further includes an enabling unit, wherein the enabling unit is configured to enable a connection between the peer-to-peer network and the network phone when the query unit fails to query the connected information of the called end in the peer-to-peer network. Called the backup network.

A communication method for a network telephone according to an embodiment of the present invention is applied to a master-slave network and a peer-to-peer network, including: establishing a network telephone by a server of the master-slave network a telephone communication connection; each time the first telephone communication connection is successfully established, storing connection information of the network telephone in a cache of the network telephone; wherein, when the first telephone communication connection establishment fails, performing the following Step: querying the connection information of the network phone in the cache of the network phone; and establishing a second phone communication connection of the network phone by the peer-to-peer network according to the connection information.

Preferably, the querying the connection information of the network phone in the cache of the network phone comprises: querying the network in the cache of the calling terminal according to the call request after the calling end of the network phone sends the call request The connection information of the called end of the road phone.

Preferably, after the call request is sent by the calling end of the network phone, according to the call, please After querying the connection information of the called end of the network phone in the cache of the calling end, the method further includes: when querying the connection information of the called end of the network phone in the cache of the calling end, failing to the peer-to-peer network One of the network nodes sends a retrieval request; and queries the network node for the connection information of the called terminal according to the retrieval request.

Preferably, after querying the connection information of the called end in the network node according to the retrieval request, the method further comprises: when querying the connection information of the called end in the network node, performing the following steps: the retrieval request And forwarding to the other network nodes of the peer-to-peer network in turn; and querying the connection information of the called end among other network nodes of the peer-to-peer network according to the retrieval request.

Preferably, before the forwarding the request to the other network nodes of the peer-to-peer network, the method further includes: storing a unique ID in the network node; and other network nodes in the peer-to-peer network according to the retrieval request Before querying the connection information of the called end, the method further includes: discarding the retrieval request when the network node of the peer-to-peer network including the unique ID receives the retrieval request; and the other network of the peer-to-peer network according to the retrieval request After querying the connection information of the called end, the path node further includes: storing the unique ID in the network node in the peer-to-peer network without the connected information of the called end.

Preferably, the querying the connection information of the called end in the other network nodes of the peer-to-peer network according to the retrieval request, and storing the unique ID in other network nodes of the peer-to-peer network further includes: The other network nodes of the peer-to-peer network send the re-determination request to the peer-to-peer network after querying the connection information of the called end, and delete the unique ID in the network node of the peer-to-peer network according to the re-determination request.

Preferably, the method further includes: querying the connection of the called end in the peer-to-peer network When the information fails, a connection to the peer-to-peer network and the backup network of the called end is enabled.

The invention provides a communication method and device for a network telephone, wherein when the telephone communication of the network telephone is performed by the server of the master-slave network, the connection information of the network telephone is stored in the cache of the network telephone. In the event of a network failure, querying the connection information of the network phone in the cache of the network phone to establish a network telephone communication by the peer-to-peer network according to the connection information, and recovering the failure of the master-slave network Internet telephony communication.

10‧‧‧Server

20‧‧‧ router

30‧‧‧Internet phone

40‧‧‧Master-slave communication module

50‧‧‧ peer-to-peer communication module

51‧‧‧Query unit

52‧‧‧ Connection unit

53‧‧‧Forwarding unit

54‧‧‧Re-unit

55‧‧‧Enable unit

FIG. 1 is a system architecture diagram of a communication method and apparatus for a network telephone according to an embodiment of the present invention.

2 is a system configuration diagram of a network telephone communication device according to an embodiment of the present invention.

FIG. 3 is a first schematic diagram of the device of the point-to-point communication module of FIG. 2. FIG.

4 is a second schematic diagram of the device of the point-to-point communication module of FIG. 2.

FIG. 5 is a third schematic diagram of the device of the point-to-point communication module of FIG. 2.

6 is a schematic diagram 4 of the apparatus of the point-to-point communication module of FIG. 2.

FIG. 7 is a flowchart of a method for communicating a network telephone according to an embodiment of the present invention.

FIG. 8 is a first schematic diagram of the system of the communication method of the network telephone of FIG. 7.

FIG. 9 is a second schematic diagram of the system of the communication method of the network telephone in FIG. 7.

FIG. 10 is a flowchart of a method for querying connection information of a called end of a network phone in a cache of a calling end in FIG. 7.

11 is a system diagram of a communication method of the network telephone of FIG.

FIG. 12 is a flowchart 1 of the method after querying the connection information of the called end in the network node in FIG. 7 .

FIG. 13 is a system diagram of a communication method of the network telephone of FIG.

FIG. 14 is a second flowchart of the method for querying the connection information of the called end in the network node in FIG. 7 .

Figure 15 is a timing diagram of the communication method of the network telephone of Figure 14.

FIG. 16 is a flowchart of a method for querying the connection information of the called end in the peer-to-peer network in FIG. 14 .

FIG. 17 is a schematic diagram of the system in FIG. 14 when the connection information of the called end fails in the peer-to-peer network.

The communication method and system of the network telephone in the present invention will be further described in detail below with reference to the accompanying drawings.

1 is a system architecture diagram of a network telephone communication method and apparatus according to Embodiment 1 of the present invention. A communication method and apparatus for a network telephone according to this embodiment are applied to a master-slave network and a point-to-point network. The master-slave network includes a router 20 and a server 10 disposed in the network cloud and performing master-slave information exchange with the router 20 via the Internet. The peer-to-peer network includes a set of point-to-point connected network telephones 30, one of which The VoIP 30 is a network node of the peer-to-peer network, and each VoIP 30 can simultaneously play the role of the client and the server, so that each VoIP 30 in the peer-to-peer network can be used by other The transfer of the VoIP 30 establishes a connection, and the joining and offline of a single network node does not affect the operation of the entire peer-to-peer network. The VoIP 30 in the peer-to-peer network is connected to the master-slave network through the router 20, thereby making this The system architecture of the communication method of the network telephone 30 in an embodiment of the invention has the characteristics of a master-slave network and a point-to-point network.

Referring to FIG. 2, a communication device for a network telephone according to an embodiment of the present invention includes a master-slave communication module 40 and a point-to-point communication module 50. The master-slave communication module 40 is disposed in a master-slave network. The point-to-point communication module 50 is disposed in a peer-to-peer network, wherein the master-slave communication module 40 is connected to the router 20 and the peer-to-peer network, and the point-to-point communication module 50 is connected to the network telephone 30 point-to-point.

The master-slave communication module 40 is configured to establish a first telephone communication connection of the network telephone 30 by the server 10 of the master-slave network, and each time the first telephone communication connection is successfully established, The connection information of the network telephone 30 is stored in the cache of the network telephone 30.

The master-slave communication module 40 stores the connection information of the network telephone 30 in the cache of the network telephone 30 each time the first telephone communication connection is successfully established.

At this time, the server 10 of the master-slave network works normally, the server 10 of the master-slave network and the network phone 30 are normally connected, and the network phone 30 communicates with the network telephone 30 through the master-slave network.

The peer-to-peer communication module 50 is configured to query the connection information of the network phone 30 in the cache of the network phone 30 when the first telephone communication connection fails to be established, and establish the connection information according to the connection information according to the connection information. A second telephone communication connection of the network telephone 30.

Referring to FIG. 3, the peer-to-peer communication module 50 includes a query unit 51 and a connection unit 52. The query unit 51 is configured to cache the caller according to the call request after the call request is sent by the calling end of the network phone 30. Query the called party of the VoIP 30 The connection information of the terminal is used by the connection unit 52 to establish a second telephone communication connection of the network telephone 30 by the peer-to-peer network according to the connection information.

The network failure sometimes occurs when the call is in progress. At this time, when it is detected that the first telephone communication connection is disconnected, and the calling party and the calling terminal lose the connection, the calling party is first re-initiated the call request, at the calling party. After the terminal re-initiates the call request, the calling end queries the local cache for the connection information of the called end. At this time, the calling end and the called end are in communication, so the calling end cache is stored in the cache. The connection information of the calling terminal can restore the communication between the calling party and the called party's network telephone 30 by using the connection information. In other embodiments, the point-to-point communication scheme can be automatically initiated to resume communication immediately when a fault is detected, without waiting for the calling party to re-call.

In this embodiment, the query unit 51 is further configured to send a retrieval request to one of the network nodes of the peer-to-peer network when the connection information of the called end of the network phone 30 fails in the cache of the calling end. And querying the connection information of the called end in the network node according to the retrieval request.

In the network telephone 30 device of this embodiment, the occurrence of a network failure still exists as follows:

The fault occurs when the network is in standby. At this time, there is no ongoing network call, or the previous call has ended, or the network call is in progress when the call is in progress. This may be a new caller's call. The new called party, the new calling party has not stored the connection information of the new called party, or the standby time is too long, and the cache of the network phone 30 storing the connected information of the called party has been automatically cleared.

The fault occurred during the call, but the connection information has been deleted because the caller's cache has been cleaned up due to excessive network call time during some conference calls. Or at After the fault occurs, the callback is resumed by querying the connection information in the cache, and then the new called party needs to be added to the call.

Therefore, it is necessary to send a retrieval request to the network node of the peer-to-peer network to find the connection information at other node locations other than the calling end.

In some point-to-point network system architectures, each network node can communicate peer-to-peer with most other network nodes. When other nodes of the peer-to-peer network store the connection information of the called end, only The connection information can be obtained by querying the network node in the peer-to-peer network once to establish a second telephone communication connection.

Referring to FIG. 4, in the embodiment, the peer-to-peer communication module 50 further includes a forwarding unit 53. When the query unit 51 fails to query the network node for the connection information of the called terminal, the forwarding unit 53 The retrieval request is in turn forwarded to other network nodes of the peer-to-peer network. The querying unit 51 is further configured to query the connection information of the called end among other network nodes of the peer-to-peer network according to the retrieval request.

In other system architectures of peer-to-peer networks, the network nodes of the peer-to-peer network have a tree-like distribution. Some network nodes can only communicate with some other network nodes and query a network node of the peer-to-peer network. Then there is a case where the query does not have the connection information of the called end. At this time, the network node needs to forward the retrieval request to other network nodes to continue to check to obtain the connection information of the called end.

The forwarding unit 53 is further configured to forward the retrieval request to the other network nodes of the peer-to-peer network before storing the unique ID in the network node, and according to the retrieval request, the other network in the peer-to-peer network. Before querying the connection information of the called end in the road node, discarding the retrieval request when the network node of the peer-to-peer network including the unique ID receives the retrieval request, and in the point-to-point network according to the retrieval request After querying the connection information of the called end in the other network nodes of the road, the unique ID is stored in the network node in the peer-to-peer network without the connected information of the called end.

When a network node of a peer-to-peer network forwards a retrieval request, there is a point-to-point request backhaul, and it is possible that the same network node receives multiple retrieval requests. Referring to FIG. 10 and FIG. 11, the network node B returns the retrieval request to the calling terminal A, and the network node C and the network node D are transmitted back to the network node B, and the network node E retrieves the request backhaul network. Road node D.

At this time, by generating a unique ID stored in the network node that has performed the query action as a mark, the search request is forwarded after the storage, and if the unique ID is found to be the second time the search request is received after receiving the search request , discarding the retrieval request does not perform the query action, preventing the loop query and saving system resources.

Referring to FIG. 5, in the embodiment, the device further includes a re-determining unit 54 for querying the unit 51 to query the connected information of the called end in the other network nodes of the peer-to-peer network, and then to the point-to-point The network sends a re-request and deletes the unique ID in the network node of the peer-to-peer network according to the re-request.

The unique ID is only for the retrieval request when the fault occurs. After the query obtains the connection information of the called end, the peer-to-peer network needs to be reset to delete the unique ID to prevent interference with the recovery connection process after the next new fault occurs.

Referring to FIG. 6, in the embodiment, the peer-to-peer module further includes an enabling unit 55, and the enabling unit 55 is configured to enable the connection unit 51 to query the peer-to-peer network when the connection information of the called terminal fails. The network and the backup network of the called end of the VoIP phone.

After the connection information of the called end fails in the peer-to-peer network, the current point is indicated. The network node of the peer network does not have the call record of the called end or the network node storing the connection information of the called end is not online, or the called end does not join the peer-to-peer network and there is a PSTN (Public Switched) The Telephone Network, the public switched telephone network, is configured to provide a backup network to the called end by using the backup network, and the backup network can be interconnected by the telecommunications carrier. The telecommunications carrier network connects the calling and called terminals to establish cross-system telephone communications.

Referring to FIG. 7, FIG. 8, and FIG. 9, a method for communicating the network telephone 30 according to an embodiment of the present invention includes the following steps.

S100: The master-slave communication module 40 establishes a first telephone communication connection of the network telephone 30 by the server 10 of the master-slave network.

The server 10 of the master-slave network provides a master-slave network telephone communication service between the network telephones 30 via the Internet, and the network telephone 30 can establish and communicate with other network telephones 30 through the router 20 and the server 10. The first telephone communication connection.

In the process of establishing the first telephone communication connection, the method includes the following steps: the network phone 30 receives the user command as the calling terminal to issue a call request; the calling terminal connects to the server 10 through the router 20 and the Internet; The device 10 is connected to the called end by the Internet and the router 20; the called end responds to the call request; and the information is exchanged between the calling end and the called end to complete the establishment of the first telephone communication connection, thereby enabling the user to make a call.

S200: The peer-to-peer communication module 50 determines whether the first telephone communication is successfully established. Step S300 is successfully executed, and the process proceeds to step S400.

S300: Upon successful, the peer-to-peer communication module 50 stores the connection information of the network telephone 30 in the cache of the network telephone 30, and returns to step S100 to make a call.

Each time the first telephone communication connection is successfully established, the peer-to-peer communication module 50 stores the connection information of the network telephone 30 in the cache of the network telephone 30.

At this time, the server 10 of the master-slave network works normally, the server 10 of the master-slave network and the client are normally connected, and the network phone 30 communicates with the network telephone 30 through the master-slave network.

In order to prevent communication interruption caused by the failure of the server 10 or the master-slave network installed in the network cloud, each time the first telephone communication connection is successfully established, the storage is stored in the caches of the calling end and the called end respectively. The connection information of the other party connected to the second time, thereby obtaining the historical data of the connection record. The connection information is the network location information of both the calling end and the called end. The network location information may be an IP address or other network location information.

When the first telephone communication connection establishment fails, the following steps are performed.

S400: The query unit 51 of the peer-to-peer communication module 50 queries the connection information of the network phone 30 in the cache of the network phone 30.

S500: The connection unit 52 of the peer-to-peer communication module 50 establishes a second telephone communication connection of the network telephone 30 by the peer-to-peer network according to the connection information.

At this point, the master-slave network telephone 30 communication failure occurs, and the point-to-point communication scheme is enabled, and the network telephone 30 communicates through the point-to-point network.

Since the connection information of the network phone 30 having the communication record of the network phone 30 is stored when the master-slave network phone 30 communicates before the failure, it may be that all or part of the network phone 30 cache may exist at this time. The connection information required for the connection is obtained by querying the connection information in the network phone 30, and the new telephone communication connection can be established by the peer-to-peer network according to the connection information to replace the first telephone communication connection disconnected due to the failure. .

In this embodiment, the calling end and the called end only store the connection information of the other party respectively. In other embodiments, the calling end and the called end can broadcast the stored connection information to other nodes of the peer-to-peer network. .

Referring to FIG. 10, in the embodiment, step S400: querying the connection information of the network phone 30 in the cache of the network phone 30 by the query unit 51 specifically includes the following steps.

S401: After the calling terminal A of the network phone 30 sends a call request, the query unit 51 queries the connection information of the called terminal F of the network phone 30 in the cache of the calling terminal A according to the call request.

The network failure sometimes occurs when the call is in progress. At this time, when it is detected that the first telephone communication connection is disconnected, and the calling terminal A and the called terminal F lose the connection, the calling party A is first re-initiated the call request. After the calling party A re-initiates the call request, the calling terminal A queries the local terminal's cache for the connection information of the called terminal F. Since the calling terminal A and the called terminal F are in communication, the fault occurs. At this time, the connection end A's cache stores the connection information of the called end, that is, the IP address of the called end F, and the connection information can restore the network telephone 30 of the calling end A and the called end F. Communication. In other embodiments, the point-to-point communication scheme can be automatically started to resume communication immediately when a fault is detected, without waiting for the calling party A to re-call.

Please refer to FIG. 11 . In this embodiment, in step S401 , the query unit 51 queries the network phone 30 in the cache of the calling terminal according to the call request after the call request is sent by the calling end of the network phone 30. The connection information of the called end further includes the following steps.

S402: The query unit 51 determines whether the connection information of the called end of the network phone 30 is successful in the cache of the calling terminal, and if yes, the process proceeds to step S500, and the process proceeds to step S403.

S403: When the query unit 51 fails to query the connection information of the called end of the network phone 30 in the cache of the calling end, the query unit 51 sends a retrieval request to one of the network nodes of the peer-to-peer network.

S404: The query unit 51 queries the network node for the connection information of the called end according to the retrieval request.

In the communication of the network telephone 30 of this embodiment, the occurrence of a network failure still exists as follows:

The fault occurs when the network is in standby. At this time, there is no ongoing network call, or the previous call has ended, or the network call is in progress when the call is in progress. This may be a new caller's call. The new called party, the new calling party has not stored the connection information of the new called party, or the standby time is too long, and the cache of the network phone 30 storing the connected information of the called party has been automatically cleared.

The fault occurred during the call, but the connection information has been deleted because the caller's cache has been cleaned up due to excessive network call time during some conference calls. Or, after the fault occurs, the call is resumed by querying the connection information in the cache, and then the new called party needs to be added to the call.

Referring to FIG. 12 and FIG. 13, it is necessary to send a retrieval request to the network node B of the peer-to-peer network to find the connection information at other node locations other than the calling terminal A.

In some point-to-point network system architectures, each network node can communicate peer-to-peer with most other network nodes. When other nodes of the peer-to-peer network store the connection information of the called end, only The connection information can be obtained by querying the network node in the peer-to-peer network once to establish a second telephone communication connection.

In this embodiment, step S404: querying the connection information of the called end in the network node according to the retrieval request further includes the following steps.

S405: The query unit 51 determines whether the connection information of the called end is successful in the network node; if successful, the process proceeds to step S500, and the process proceeds to step S407.

S407: When the query unit 51 fails to query the connection information of the called end in the network node, the forwarding unit 53 sequentially forwards the search request to other network nodes of the peer-to-peer network.

S410: The query unit 51 queries the other network nodes of the peer-to-peer network for the connection information of the called end according to the retrieval request.

In other system architectures of peer-to-peer networks, the network nodes of the peer-to-peer network have a tree-like distribution. Some network nodes can only communicate with some other network nodes and query a network node of the peer-to-peer network. Then there is a case where the query does not have the connection information of the called end. At this time, the network node needs to forward the retrieval request to other network nodes to continue to check to obtain the connection information of the called end.

The calling terminal A stores the IP address of the network node B, and the calling terminal A queries the network node B for the connection information of the called terminal F. At this time, the network node B does not have the connection information of the called terminal F. The calling party A fails to find the connection information of the called terminal F in the network node B. .

The network node B forwards the retrieval request in turn, and the network node B stores the IP addresses of the calling terminal A, the network node C and the network node D, and the network node B sequentially forwards the retrieval request to the network node. C and the network node D and back to the calling terminal A, the network node D contains the IP address of the network node E, and the network node D forwards the retrieval request to the network node E, the network node E The connection information of the called terminal F is stored, and the second telephone communication connection between the calling terminal A and the called terminal F is established according to the connection information of the called terminal F obtained by querying in the network node E.

Referring to FIG. 14 and FIG. 15, in the third embodiment, step S407: before the forwarding request is sequentially forwarded to other network nodes of the peer-to-peer network, the following steps are further included.

S406: The query unit 51 stores the unique ID in the network node.

Step S410: The query unit 51 further includes, before querying the connection information of the called end, among other network nodes of the peer-to-peer network according to the retrieval request.

S408: The query unit 51 determines whether there is a unique ID in the network node currently queried in the peer-to-peer network, if yes, the process proceeds to step S409, and if not, the process proceeds to step S410.

S409: The query unit 51 discards the retrieval request.

The query unit 51 stores the unique ID in other network nodes of the peer-to-peer network, and discards the retrieval request when the network node of the peer-to-peer network including the unique ID receives the retrieval request.

Step S410: The query unit 51 further includes the following steps after querying the connection information of the called end in the other network nodes of the peer-to-peer network according to the retrieval request.

S411: The query unit 51 determines to query the other network nodes of the peer-to-peer network. If the connection information of the called end is successful, the process proceeds to step S500, and if it fails, the process returns to step S406.

Before the query unit 51 determines whether there is a unique ID in the network node currently queried in the peer-to-peer network, if the search request is discarded, the query is not performed, and if not, the query is continued, and when the query fails, the forwarding unit 53 is forwarded. Continue to forward the search request.

When a network node of a peer-to-peer network forwards a retrieval request, there is a point-to-point request backhaul, and it is possible that the same network node receives multiple retrieval requests. Referring to FIG. 11, the network node B returns the retrieval request to the calling terminal A, and the network node C and the network node D are transmitted back to the network node B, and the network node E retrieves the request and returns the network node D. .

At this time, by generating a unique ID stored in the network node that has performed the query action as a mark, the search request is forwarded after the storage, and if the unique ID is found to be the second time the search request is received after receiving the search request , discarding the retrieval request does not perform the query action, preventing the loop query and saving system resources.

Referring to FIG. 16, the network telephone 30 communication method of this embodiment further includes the following steps.

S412: After the query unit 51 queries the other network nodes of the peer-to-peer network for the connection information of the called end, the re-determination unit 54 sends a re-request to the peer-to-peer network.

S413: The re-determining unit 54 deletes the unique ID in the network node of the peer-to-peer network according to the re-determination request.

The unique ID is only for the retrieval request when the fault occurs. After the query obtains the connection information of the called end, the peer-to-peer network needs to be reset to delete the unique ID to prevent interference with the recovery connection process after the next new fault occurs.

Referring to FIG. 17, the network telephone 30 communication method of this embodiment further includes the following steps.

When the query unit 51 fails to query the connection information of the called end in the peer-to-peer network, the enabling unit 55 enables a backup network connecting the peer-to-peer network and the called end.

After the connection information of the called end fails in the peer-to-peer network, it indicates that the network node of the peer-to-peer network has no call record of the called end or the network node storing the connection information of the called end is not online, and It may be that the called end does not join the peer-to-peer network and there is a PSTN end. Referring to FIG. 12, at this time, a backup network is configured, and the connection request is sent to the called end G by using the backup network, and the backup network can be interconnected by the telecommunication carrier, through the telecommunication carrier network. The road connects the calling end A and the called end G to establish a cross-system telephone communication.

In summary, this creation meets the requirements of the invention patent and submits a patent application according to law. However, the above is only a preferred example of the present invention. Any equivalent modifications or variations made by those skilled in the art of the present invention should be included in the scope of the following patent application.

10‧‧‧Server

20‧‧‧ router

30‧‧‧Internet phone

40‧‧‧Master-slave communication module

50‧‧‧ peer-to-peer communication module

Claims (6)

A communication device for a network telephone, which is applied to a master-slave network and a point-to-point network, and includes: a master-slave communication module, configured to establish the network telephone by the server of the master-slave network a telephone communication connection, and storing connection information of the network telephone in a cache of the network telephone every time the first telephone communication connection is successfully established; and a point-to-point communication module for using the first telephone When the communication connection fails to be established, the connection information of the network telephone is queried in the cache of the network telephone, and the second telephone communication connection of the network telephone is established by the peer-to-peer network according to the connection information; wherein the point-to-point connection The communication module includes: a query unit, configured to query, in the cache of the calling terminal, the connection information of the called end of the network phone according to the call request after the call request is sent by the calling end of the network phone; and the connection unit, a second telephone communication connection for establishing the network telephone by the peer-to-peer network according to the connection information; wherein the query unit is further configured to query the cache in the calling end When the connection information of the called end of the road phone fails, a retrieval request is sent to one of the network nodes of the peer-to-peer network, and the connection information of the called end is queried in the network node according to the retrieval request; wherein the point-to-point communication The module further includes a forwarding unit, configured to forward the retrieval request to other network nodes of the peer-to-peer network in turn when the query unit fails to query the connection information of the called end in the network node, the query unit And is further configured to query connection information of the called end among other network nodes of the peer-to-peer network according to the retrieval request; and the forwarding unit is further configured to sequentially forward the retrieval request to other network nodes of the peer-to-peer network. Before storing the unique ID in the network node; the query unit is further configured to query the connection information of the called end in other network nodes of the peer-to-peer network according to the retrieval request Previously, when the network node of the peer-to-peer network including the unique ID receives the retrieval request, the retrieval request is discarded, and the connection of the called terminal is queried in other network nodes of the peer-to-peer network according to the retrieval request. After the information, the unique ID is stored in the network node of the peer-to-peer network without the connected information of the called end, and the connection information of the called end is queried in other network nodes of the peer-to-peer network according to the retrieval request. . The communication device of the network telephone according to the first aspect of the invention, further comprising: a re-determining unit, wherein the query unit searches the other network nodes of the peer-to-peer network for the connection information of the called terminal to be successful The network sends a re-request and deletes the unique ID in the network node of the peer-to-peer network according to the re-request. The communication device of the network telephone according to the second aspect of the invention, wherein the point-to-point module further comprises an enabling unit, wherein the enabling unit is configured to: the query unit fails to query the connected information of the called end in the peer-to-peer network When enabled, the backup network connecting the peer-to-peer network and the called end of the VoIP phone is enabled. A communication method for a network telephone, applied to a master-slave network and a peer-to-peer network, comprising: establishing a first telephone communication connection of the network telephone by a server of the master-slave network; When a telephone communication connection is successfully established, the connection information of the network telephone is stored in the cache of the network telephone; wherein, when the first telephone communication connection establishment fails, the following steps are performed: in the cache of the network telephone Querying the connection information of the network phone; and establishing a second telephone communication connection of the network phone by using the peer-to-peer network according to the connection information; wherein the querying the network phone in the cache of the network phone The connection information specifically includes: after the call request is sent by the calling end of the network phone, querying, according to the call request, the connection information of the called end of the network phone in the cache of the calling end; wherein, the connection information of the called phone After the calling party sends a call request, the call is requested according to the call. After querying the connection information of the called end of the network phone in the cache of the calling end, the method further includes: when querying the connection information of the called end of the network phone in the cache of the calling end, failing to one of the networks of the peer-to-peer network The path node sends a search request; and the connection information of the called end is queried in the network node according to the search request; wherein the querying the connection information of the called end in the network node according to the search request further includes: When the network node fails to query the connection information of the called end, the following steps are performed: forwarding the retrieval request to other network nodes of the peer-to-peer network in turn; and other other points in the peer-to-peer network according to the retrieval request Querying the connection information of the called end in the network node; and before forwarding the search request to the other network nodes of the peer-to-peer network, the method further includes: storing the unique ID in the network node; Before requesting to query the connection information of the called end in other network nodes of the peer-to-peer network, the method further includes: at the point including the unique ID The network node of the peer network discards the retrieval request when receiving the retrieval request; the querying the connection information of the called terminal in the other network nodes of the peer-to-peer network according to the retrieval request further includes: the unique ID Stored in a network node in the peer-to-peer network that does not have the called end connection information. The communication method of the network telephone according to claim 4, wherein the other network node of the peer-to-peer network queries the connection information of the called end according to the retrieval request, and stores the unique ID in the The other network nodes of the peer-to-peer network further include: after querying the connection information of the called end in the other network nodes of the peer-to-peer network, The peer-to-peer network sends a re-request; and the unique ID in the network node of the peer-to-peer network is deleted according to the re-request. The method for communicating the Internet telephony according to claim 4, further comprising: enabling the connection of the peer-to-peer network and the backup network of the called end when the connection information of the called end fails in the peer-to-peer network .