CN108737671B - VOIP communication method, device, equipment and home gateway system - Google Patents

VOIP communication method, device, equipment and home gateway system Download PDF

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Publication number
CN108737671B
CN108737671B CN201710261226.0A CN201710261226A CN108737671B CN 108737671 B CN108737671 B CN 108737671B CN 201710261226 A CN201710261226 A CN 201710261226A CN 108737671 B CN108737671 B CN 108737671B
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home gateway
gateway system
network
account registration
registration
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CN108737671A (en
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陈毅
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0081—Network operation, administration, maintenance, or provisioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0024—Services and arrangements where telephone services are combined with data services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0078—Security; Fraud detection; Fraud prevention
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a VOIP communication method, a VOIP communication device, VOIP communication equipment and a home gateway system, relates to the technical field of voice communication, and aims to solve the problem that the transmission quality of voice data streams cannot be guaranteed because the voice data streams and Internet data streams share one PDN connection. The VOIP communication method comprises the following steps: determining a working mode of home gateway system configuration; when the working mode is a wireless mode, determining the network registration state of the home gateway system; when the network registration state is a success state, determining the network registration type of the home gateway system; when the network registration type is a first network type, establishing a first special PDN connection; and according to the established first special PDN connection, carrying out account registration of the home gateway system to an external network, and recording an account registration result. The VOIP communication method provided by the invention is used for transmitting voice data streams.

Description

VOIP communication method, device, equipment and home gateway system
Technical Field
The invention relates to the technical field of voice communication, in particular to a VOIP communication method, a device, equipment and a home gateway system.
Background
Voice Over Internet Protocol (VOIP) is a technique of converting analog Voice signals into binary streams after sampling and Voice encoding, and then transmitting the binary streams in real time on an IP network in the form of data packets. The greatest advantage of this VOIP technology is that it can be widely used in the Internet and global IP interconnection environment, providing more and better services than traditional services.
At present, the VOIP technology can be supported in both the wired broadband operating mode and the wireless operating mode, but in the 2G/3G mode of the wireless operating mode, the Public Data Networks (PDN) connection through which the voice Data of the VOIP flows is the same as the PDN connection through which the Internet Data flows, that is, the voice Data of the VOIP is transmitted through the default Data PDN connection. Because the Internet data transmission adopts a best effort transmission strategy, the real-time performance and the integrity of the data transmission cannot be ensured; therefore, the voice data stream and the Internet data stream share one PDN connection, which results in resource contention and failure to guarantee the transmission quality of the voice data stream.
Disclosure of Invention
The invention aims to provide a VOIP communication method, a VOIP communication device, VOIP communication equipment and a home gateway system, which are used for solving the problem that the transmission quality of voice data streams cannot be guaranteed because the voice data streams and Internet data streams share one PDN for connection.
In order to achieve the above purpose, the invention provides the following technical scheme:
a first aspect of the present invention provides a VOIP communication method applied to a VOIP communication device in a home gateway system for connecting a terminal and an external network, the VOIP communication method including: determining a working mode of home gateway system configuration; when the working mode is a wireless mode, determining the network registration state of the home gateway system; when the network registration state is a success state, determining the network registration type of the home gateway system; when the network registration type is a first network type, establishing a first special PDN connection; and according to the established first special PDN connection, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
Further, after determining the network registration type of the home gateway system, the VOIP communication method further includes: when the network registration type is a second network type, determining the establishment state of a second special PDN connection; and when the establishment state of the second private PDN connection is established, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
Further, after determining that the establishment status of the second dedicated PDN connection is established, the VOIP communication method further includes: determining an account registration mode of the home gateway system; and according to the account registration mode of the home gateway system, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
Further, before determining the operating mode of the home gateway system configuration, the VOIP communication method further includes: acquiring manual account registration request information; the determining the account registration mode of the home gateway system comprises: and determining that the account registration mode of the home gateway system is a manual registration mode according to the manual account registration request information.
Further, after determining the operating mode configured by the home gateway system, the VOIP communication method further includes: and when the working mode is the wired mode, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
Further, after determining that the operating mode is the wired mode, the VOIP communication method further includes: determining a network connection state of the home gateway system; when the network connection state of the home gateway system is an unconnected state, waiting for receiving the information that the network connection state is a connected state; and when the information that the network connection state is the connected state is received, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
Further, the external network comprises an IMS network.
Based on the above technical solution of the VOIP communication method, a second aspect of the present invention provides a VOIP communication device, which is applied in a home gateway system, and the VOIP communication device includes: the determining unit is used for determining the working mode of the home gateway system configuration; the determining unit is further configured to determine a network registration state of the home gateway system when the operating mode is a wireless mode; the determining unit is further configured to determine a network registration type of the home gateway system when the network registration state is a successful state; an establishing unit, configured to establish a first dedicated PDN connection when the network registration type is a first network type; and the registration unit is used for registering the account of the home gateway system to an external network according to the established first special PDN connection and recording the account registration result.
Further, after determining the network registration type of the home gateway system, the determining unit is further configured to determine an establishment state of a second dedicated PDN connection when the network registration type is a second network type; and the registration unit is further configured to perform account registration of the home gateway system to an external network and record an account registration result when the establishment state of the second dedicated PDN connection is established.
Further, after determining that the establishment status of the second dedicated PDN connection is established, the determining unit is further configured to determine an account registration mode of the home gateway system; the registration unit is further configured to perform account registration of the home gateway system to an external network according to the account registration mode of the home gateway system, and record an account registration result.
Further, the VOIP communicator further includes: the acquiring unit is used for acquiring manual account registration request information before the working mode configured by the home gateway system is determined; the determining unit is further configured to determine, according to the manual account registration request information, that an account registration mode of the home gateway system is a manual registration mode.
Further, after the working mode configured by the home gateway system is determined, the registration unit is further configured to register an account of the home gateway system with an external network and record an account registration result when the working mode is a wired mode.
Further, the determining unit is further configured to determine a network connection state of the home gateway system after determining that the operating mode is the wired mode; the VOIP communicator further includes: a receiving unit, configured to wait for receiving information that a network connection state of the home gateway system is a connected state when the network connection state of the home gateway system is an unconnected state; the registration unit is further configured to register an account of the external network with the home gateway system and record an account registration result when the information that the network connection state is the connected state is received.
Further, the external network comprises an IMS network.
Based on the above technical solution of the VOIP communication method, a third aspect of the present invention provides a VOIP communication device, which is applied in a home gateway system, and the VOIP communication device includes: a processor for determining an operation mode of the home gateway system configuration; the processor is further configured to determine a network registration state of the home gateway system when the operating mode is a wireless mode; the processor is further used for determining the network registration type of the home gateway system when the network registration state is a success state; the processor is further configured to establish a first private PDN connection when the network registration type is a first network type; and the processor is also used for registering the account of the home gateway system to an external network according to the established first special PDN connection and recording the account registration result.
Further, after determining the network registration type of the home gateway system, the processor is further configured to determine an establishment state of a second dedicated PDN connection when the network registration type is a second network type; and the processor is further configured to perform account registration of the home gateway system to an external network and record an account registration result when the establishment state of the second private PDN connection is established.
Further, after determining that the establishment status of the second private PDN connection is established, the processor is further configured to determine an account registration mode of the home gateway system; the processor is further configured to perform account registration of the home gateway system to an external network according to the account registration mode of the home gateway system, and record an account registration result.
Further, the processor is further configured to obtain manual account registration request information before the determining of the operating mode configured by the home gateway system; the processor is further configured to determine that the account registration mode of the home gateway system is a manual registration mode according to the manual account registration request information.
Further, after the working mode configured by the home gateway system is determined, the processor is further configured to register an account of the home gateway system with an external network and record an account registration result when the working mode is a wired mode.
Further, the processor is further configured to determine a network connection state of the home gateway system after determining that the working mode is a wired mode; the processor is further configured to wait for receiving information that the network connection state is a connected state when the network connection state of the home gateway system is an unconnected state; and the processor is also used for registering the account of the home gateway system to the external network when the information that the network connection state is the connected state is received, and recording the account registration result.
Further, the external network comprises an IMS network.
Based on the above technical solution of the VOIP communication device, a fourth aspect of the present invention provides a home gateway system, including the VOIP communication device.
In the VOIP communication method provided by the invention, when the network connection type is determined to be the first network type, the first special PDN parameter of the external network can be read, PDN dialing to the external network is initiated according to the first special PDN parameter so as to establish the first special PDN connection, and then account registration of the home gateway system to the external network is completed according to the established first special PDN connection, so that when a VOIP call is dialed, voice data stream of the VOIP can be transmitted through the first special PDN connection, resource competition caused by the fact that the voice data stream of the VOIP and Internet data are transmitted through the same data PDN connection is avoided, the real-time performance and the integrity of voice data stream transmission are ensured, the quality of the voice data stream transmission is improved, and the user experience is well promoted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an application scenario diagram of a VOIP communication method according to an embodiment of the present invention;
fig. 2 is a first flowchart of a VOIP communication method according to an embodiment of the present invention;
fig. 3 is a second flowchart of a VOIP communication method according to an embodiment of the present invention;
fig. 4 is a third flowchart of a VOIP communication method according to an embodiment of the present invention;
fig. 5 is a flowchart of performing a VOIP call by using a home gateway system according to an embodiment of the present invention.
Reference numerals:
1-a telephone, 2-a home gateway system,
3-an external network, 4-a wired network,
5-wireless network, 6-VOIP communication device,
7-a first external interface, 8-a second external interface,
9-mobile radio module.
Detailed Description
In order to further explain the VOIP communication method, apparatus, device and home gateway system provided by the embodiment of the present invention, the following is described in detail with reference to the accompanying drawings.
Referring to fig. 1, a VOIP communication method provided by the embodiment of the present invention is applied to the scenario shown in fig. 1, where the scenario shown in fig. 1 includes: the system comprises a phone 1, a home gateway system 2 and an external network 3, wherein the home gateway system 2 can be connected with the external network 3 through a wired network 4 or a wireless network 5. The VOIP communication device 6 included in the home gateway system 2 is used to implement the VOIP communication method provided by the embodiment of the present invention.
Referring to fig. 2, a VOIP communication method according to an embodiment of the present invention includes the following steps:
step S100, determining the working mode configured by the home gateway system 2.
Step S101, when the operation mode is the wireless mode, determining the network registration state of the home gateway system 2.
Step S102, when the network registration state is a success state, determining the network registration type of the home gateway system 2;
step S103, when the network registration type is the first network type, establishing a first dedicated PDN connection, where the first dedicated PDN connection is used to transmit a voice data stream between the terminal (phone 1) and the external network 3.
And step S104, registering the account of the external network 3 by the home gateway system 2 according to the established first private PDN connection, and recording the account registration result.
When the method is specifically implemented, firstly, the working mode of the home gateway system 2 is determined, wherein the working mode is generally divided into a wired mode (namely a wired fixed broadband mode) and a wireless mode, and the wireless mode comprises a 2G/3G/4G mode; when the working mode of the home gateway system 2 is determined to be the wireless mode, judging the network registration state of the home gateway system 2 (namely detecting whether the home gateway system 2 has registered the network); when the network registration state of the home gateway system 2 is a successful state (i.e. the home gateway system 2 has registered a network), determining the registered network type, if the network registration type is the first network type, reading a first private PDN parameter of the external network 3, and initiating PDN dialing for the external network 3 according to the first private PDN parameter, so as to establish a first private PDN connection. After the first private PDN connection is established, an account registration request may be initiated according to the established first private PDN connection, account registration of the home gateway system 2 to the external network 3 is performed, and if the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and at this time, transmission of a voice data stream of VOIP between the terminal and the external network 3 may be achieved through the private PDN connection (the first private PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the recorded account registration result is "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3.
In the above process, when the network registration state of the home gateway system 2 is a failure state and the first dedicated PDN connection is failed to be established, the account registration result is recorded as "account registration failure". Further, the first network type includes, but is not limited to, a 2G/3G network.
In the VOIP communication method provided in the embodiment of the present invention, when the network registration type is determined to be the first network type, the first dedicated PDN parameter of the external network 3 can be read, and PDN dialing to the external network 3 is initiated according to the first dedicated PDN parameter, so as to establish the first dedicated PDN connection, and then account registration of the home gateway system 2 to the external network 3 is completed according to the established first dedicated PDN connection, so that when a VOIP call is dialed, a voice data stream of VOIP can be transmitted through the first dedicated PDN connection, resource contention caused by transmission of the voice data stream of VOIP and Internet data through the same data PDN connection is avoided, real-time performance and integrity of voice data stream transmission are ensured, quality of voice data stream transmission is improved, and user experience is improved well.
After determining the network registration type of the home gateway system 2, the VOIP communication method provided in the above embodiment of the present invention further includes:
step S103', when the network registration type is the second network type, determining a setup state of a second private PDN connection, the second private PDN connection being used for transmitting a voice data stream between the terminal and the external network 3, and the second private PDN connection being automatically established after the home gateway system 2 connects to the network of the second network type.
And step 104', when the establishment state of the second private PDN connection is established, performing account registration of the home gateway system 2 to the external network 3, and recording an account registration result.
After the network registration type of the home gateway system 2 is determined, when the network registration type is a second network type, determining the establishment state of a second private PDN connection; and when the establishment state of the second private PDN connection is established, performing account registration of the home gateway system 2 to the external network 3, and recording an account registration result. Specifically, if the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the dedicated PDN connection (second dedicated PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the recorded account registration result is "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. In addition, after the establishment state of the second private PDN connection is determined, when the establishment state of the second private PDN connection is not established, the account registration result is also recorded as "account registration failure".
It should be noted that, when the home gateway system 2 operates in the wireless mode and it is detected that the network registration type is the second network type, the second dedicated PDN connection is already established automatically after the home gateway system 2 registers to the network, and manual establishment by the user is not required, so that, when it is detected that the network registration type is the second network type, it is only necessary to determine the establishment state of the second dedicated PDN connection at that time, and manual establishment of the second dedicated PDN connection is not required. In addition, when the network registration type of the home gateway system 2 is the second network type, the established second dedicated PDN connection is not the same as the established first dedicated PDN connection when the network registration type of the home gateway system 2 is the first network type, and PDN parameters corresponding to the first dedicated PDN connection and the second dedicated PDN connection are different. In addition, the second network type includes a 4G network, but is not limited thereto.
After determining that the establishment status of the second dedicated PDN connection is established, the VOIP communication method according to the above embodiment of the present invention further includes (see step S104' in fig. 2):
determining an account registration mode of the home gateway system 2; and according to the account registration mode of the home gateway system 2, performing account registration of the home gateway system 2 to the external network 3, and recording an account registration result.
The account registration mode of the home gateway system 2 is configured in advance, and generally includes an automatic registration mode and a manual registration mode, and when the account registration mode is the automatic registration mode, since the account registration process is performed synchronously after the second dedicated PDN connection is established, the account registration state is directly queried without performing the account registration process manually, and the account registration result is recorded. On the other hand, if the account registration mode is the manual registration mode, an account registration request needs to be initiated to register an account of the external network 3 with the home gateway system 2.
Referring to fig. 3, before determining the operation mode of the configuration of the home gateway system 2, the VOIP communication method provided in the above embodiment further includes: in step S10, manual account registration request information is acquired.
Upon determining that the second private PDN connection is in a connected state (see step S10' in fig. 3), based on step S10, the determining of the account registration mode of the home gateway system 2 includes: and according to the manual account registration request information, determining that the account registration mode of the home gateway system 2 is the manual registration mode, initiating an account registration request when the account registration mode of the home gateway system 2 is the manual registration mode, performing account registration of the home gateway system 2 on the external network 3, and recording an account registration result.
Specifically, if the manual account registration request information is acquired before the working mode of the home gateway system 2 is determined, when it is determined that the second dedicated PDN connection is in a connected state, it may be directly determined that the account registration mode of the home gateway system 2 is the manual registration mode, and then an account registration request is initiated to perform account registration of the home gateway system 2 to the external network 3. Moreover, when the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the dedicated PDN connection (second dedicated PDN connection). When the account registration of the home gateway system 2 to the external network 3 fails, the account registration result is recorded as "account registration failure", and at this time, the transmission of the voice data stream of the VOIP between the terminal and the external network 3 cannot be realized.
Referring to fig. 2, after determining the operating mode of the home gateway system 2, the VOIP communication method provided in the embodiment of the present invention further includes:
and step S101', when the working mode is the wired mode, the home gateway system 2 registers the account of the external network 3, and records the account registration result.
Specifically, when it is determined that the home gateway system 2 operates in the wired mode, the network connection state of the home gateway system 2 is continuously determined, that is, whether a wired broadband is connected to the Internet network is detected, and if the wired broadband is connected, an account registration request is initiated to perform account registration of the home gateway system 2 to the external network 3. If the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "successful account registration", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the wired broadband. If the account registration of the home gateway system 2 to the external network 3 fails, the recorded account registration result is "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. In addition, when the wired broadband is detected not to be connected to the Internet network, the account registration result can be recorded as 'account registration failure'.
Referring to fig. 4, in a situation that the home gateway system 2 operates in the wired mode, after determining the network connection state of the home gateway system 2, the VOIP communication method provided in the embodiment further includes:
in step S201 ″, when the network connection state of the home gateway system 2 is an unconnected state, the home gateway system waits for receiving information that the network connection state is a connected state.
In step S202 ″, when the information that the network connection state is the connected state is received, the account registration of the home gateway system 2 to the external network 3 is performed, and the account registration result is recorded.
When the network connection state of the home gateway system 2 is determined to be the unconnected state, other modules can perform network connection on the home gateway system 2 again, or a user manually performs network connection on the home gateway system 2 again; in this process, it may be waited for to receive the information that the network connection state is the connected state, when the information that the network connection state is the connected state is received, account registration of the home gateway system 2 to the external network 3 is performed, if the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and if the account registration of the home gateway system 2 to the external network 3 is failed, the account registration result is recorded as "account registration failure". The above steps S201 "-step S202" avoid the problem that the account cannot be successfully registered due to the home gateway system 2 not being connected to the network, and improve the user experience.
For the VOIP communication method provided in the above embodiment, it should be noted that, no matter the home gateway system 2 works in the wired mode or the wireless mode, when performing account registration, a Session Initiation Protocol (SIP) account registration request may be initiated, and after completing the account registration request, it may also be determined whether the account registration state is successful and the result of account registration is recorded. When the VOIP communication method is applied to VOIP voice data stream transmission, after a user hooks off the phone, the account registration result can be detected, and when the account registration is successful, the user can carry out dialing operation and realize conversation. In addition, no matter the home gateway system 2 works in a wireless mode or a wired mode, the VOIP communication method provided by the above embodiment can realize transmission of VOIP voice data streams, i.e. differences of network access, and does not affect transmission of the VOIP voice data streams, thereby further improving user experience.
In The VOIP communication method provided in The above embodiment of The present invention, The mentioned external network 3 may include an IP Multimedia System (IMS) network and an OTT (english: Over The Top) network, where The OTT network is used to provide various application services to users through The internet, and such application is different from The communication service provided by The current operator, and only utilizes The network of The operator, and The service is provided by a third party other than The operator; the IMS network is an independent network including a plurality of servers, mainly for providing multimedia services, and the servers transmit data packets based on IP technology, and the servers play different roles according to differences in functions, for example: registration, authentication, charging, policy control, etc. And the IMS network can also provide value-added services, thereby well meeting the requirements of users. The VOIP communication method provided by the above embodiment of the invention uses the IMS network to realize the transmission of the VOIP voice data stream, thereby ensuring the speed and quality of the transmission of the VOIP voice data stream, and ensuring the security and privacy of the transmission of the VOIP voice data stream.
The embodiment of the present invention further provides a VOIP communication apparatus, which is applied to a home gateway system, and is used for implementing the VOIP communication method provided by the above embodiment, where the VOIP communication apparatus specifically includes:
and the determining unit is used for determining the working mode configured by the home gateway system 2.
And the determining unit is further used for determining the network registration state of the home gateway system 2 when the working mode is the wireless mode.
The determining unit is further used for determining the network registration type of the home gateway system 2 when the network registration state is a success state;
and the establishing unit is used for establishing a first special PDN connection when the network registration type is a first network type, and the first special PDN connection is used for transmitting the voice data stream between the terminal and the external network.
And the registering unit is used for registering the account of the home gateway system 2 on the external network 3 according to the established first special PDN connection and recording the account registering result.
Firstly, a determining unit determines that the working mode of the home gateway system 2 is a wired mode or a wireless mode, and when the working mode of the home gateway system 2 is determined to be the wireless mode, the network registration state of the home gateway system 2 at the moment is continuously determined, namely whether the home gateway system 2 registers the network is detected; the determining unit determines the registered network type again under the condition that the home gateway system 2 has registered the network, if the network registration type is the first network type, the establishing unit reads the first private PDN parameter of the external network 3, and initiates PDN dialing to the external network 3 according to the first private PDN parameter to establish the first private PDN connection. After the first private PDN connection is established, the registration unit initiates an account registration request according to the established first private PDN connection, performs account registration of the home gateway system 2 to the external network 3, and if the account registration of the home gateway system 2 to the external network 3 is successful, the registration unit records that the account registration result is "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the private PDN connection (the first private PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the registration unit records the account registration result as "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. It should be noted that the first network type includes a 2G/3G network, but is not limited thereto.
According to the specific structure of the VOIP communication apparatus provided in the above embodiment of the present invention and the specific process of implementing the VOIP communication method, it can be known that: when the determining unit determines that the network registration type is the first network type, the establishing unit can read a first private PDN parameter of the external network 3, and initiate PDN dialing to the external network 3 according to the first private PDN parameter to establish a first private PDN connection, and then the registering unit completes account registration of the home gateway system 2 to the external network 3 according to the established first private PDN connection, so that when a user uses the home gateway system 2 to carry out VOIP telephone, a voice data stream of VOIP can be transmitted through the first private PDN connection, resource competition caused by the fact that the voice data stream of VOIP and Internet data are transmitted through the same data PDN connection is avoided, the real-time performance and the integrity of voice data stream transmission are guaranteed, the quality of voice data stream transmission is improved, and user experience is well improved.
In the VOIP communication apparatus provided in the above-mentioned embodiment of the invention, after determining the network registration type of the home gateway system 2, the determining unit is further configured to determine, when the network registration type is the second network type, a setup state of a second dedicated PDN connection, where the second dedicated PDN connection is used to transmit a voice data stream between the terminal and the external network 3, and the second dedicated PDN connection is automatically established after the home gateway system 2 connects to a network of the second network type; the registration unit is further configured to perform account registration of the home gateway system 2 with the external network 3 and record an account registration result when the establishment state of the second dedicated PDN connection is established. Specifically, if the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the dedicated PDN connection (second dedicated PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the recorded account registration result is "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. In addition, after the establishment state of the second private PDN connection is determined, when the establishment state of the second private PDN connection is not established, the account registration result is also recorded as "account registration failure".
It should be noted that, when the home gateway system 2 operates in the wireless mode and it is detected that the network registration type is the second network type, the second dedicated PDN connection is already established automatically after the home gateway system 2 registers to the network, and manual establishment by the user is not required, so that, when it is detected that the network registration type is the second network type, it is only necessary for the determining unit to directly determine the establishment state of the second dedicated PDN connection at that time, and manual establishment of the second dedicated PDN connection is not required. In addition, the second dedicated PDN connection established as described above is not the same PDN connection as the first dedicated PDN connection established, and the PDN parameters corresponding to the first dedicated PDN connection and the second dedicated PDN connection are different. In addition, the second network type includes a 4G network, but is not limited thereto.
After determining that the establishment state of the second dedicated PDN connection is established, the determining unit is further configured to determine an account registration mode of the home gateway system 2; the registration unit is further configured to perform account registration of the home gateway system 2 with the external network 3 according to the account registration mode of the home gateway system 2, and record an account registration result.
The account registration mode of the home gateway system 2 is configured in advance, and generally includes an automatic registration mode and a manual registration mode, and when the account registration mode is the automatic registration mode, since the account registration process is performed synchronously after the second dedicated PDN connection is established, the account registration state is directly queried without performing the account registration process manually, and the account registration result is recorded. On the other hand, in the case that the account registration mode is the manual registration mode, the registration unit needs to initiate an account registration request to register an account of the external network 3 by the home gateway system 2.
The VOIP communication apparatus provided in the above embodiment of the present invention further includes an obtaining unit, where the obtaining unit is configured to obtain manual account registration request information before determining the working mode configured by the home gateway system 2; furthermore, the determination unit is further configured to determine the account registration mode of the home gateway system 2 as a manual registration mode according to the manual account registration request information. When the account registration mode of the home gateway system 2 is determined to be the manual registration mode, the registration unit initiates an account registration request, performs account registration of the home gateway system 2 on the external network 3, and records an account registration result.
It should be noted that, since the manual account registration request information is initiated by the user, the determining unit may determine the account registration mode of the home gateway system 2 as the manual registration mode directly according to the manual account registration request information.
In the VOIP communication apparatus provided in the above embodiment of the present invention, after the working mode configured by the home gateway system 2 is determined, the registration unit is further configured to register an account of the home gateway system 2 with the external network 3 and record an account registration result when the working mode is the wired mode. Specifically, when it is determined that the home gateway system 2 operates in the wired mode, the determining unit continues to determine the network connection state of the home gateway system 2, that is, detects whether the wired broadband is already connected to the Internet network, and if so, initiates an account registration request to perform account registration of the home gateway system 2 with the external network 3.
Under the condition that the home gateway system 2 works in the wired mode, the determining unit is further configured to determine a network connection state of the home gateway system 2 after determining that the working mode is the wired mode; moreover, the VOIP communication apparatus further includes a receiving unit for waiting for receiving information that the network connection state is the connected state when the network connection state of the home gateway system 2 is the unconnected state; the registration unit is further configured to register an account of the external network 3 with the home gateway system 2 and record an account registration result when receiving information that the network connection status is the connected status.
For the VOIP communication device provided in the above embodiment, it should be noted that, no matter the home gateway system 2 works in the wired mode or the wireless mode, when performing account registration, the registration unit may initiate an SIP account registration request; and after the account registration request is completed, the registration unit can also judge whether the account registration state is successful and record the account registration result. When the VOIP communication device is used for VOIP voice data stream transmission, the determining unit can detect the account registration result after the user is off-hook, and when the account registration is successful, the user can carry out dialing operation and realize conversation. In addition, no matter the home gateway system 2 works in a wireless mode or a wired mode, the VOIP communication apparatus provided in the above embodiment can realize transmission of VOIP voice data streams, i.e. differences of network access, without affecting transmission of VOIP voice data streams, thereby further improving user experience.
The external network 3 to be registered by the VOIP communication apparatus provided in the above embodiment of the present invention has various options, and optionally includes an IMS network, and beneficial effects generated when the external network 3 selects the IMS network are already described in part of descriptions of the VOIP communication method in the specification, and are not described herein again.
The embodiment of the present invention further provides a VOIP communication device 6, which is applied in the home gateway system 2, and is configured to implement the VOIP communication method provided in the foregoing embodiment, where the VOIP communication device 6 specifically includes:
and a processor for determining the operation mode of the home gateway system 2 configuration.
And the processor is further used for determining the network registration state of the home gateway system 2 when the working mode is the wireless mode.
And the processor is further used for determining the network registration type of the home gateway system 2 when the network registration state is a success state.
And the processor is also used for establishing a first special PDN connection when the network registration type is a first network type, and the first special PDN connection is used for transmitting the voice data stream between the terminal and the external network 3.
And the processor is further configured to perform account registration of the home gateway system 2 to the external network 3 according to the established first dedicated PDN connection, and record an account registration result.
Firstly, a processor determines that the working mode of the home gateway system 2 is a wired mode or a wireless mode, and when the working mode of the home gateway system 2 is determined to be the wireless mode, the network registration state of the home gateway system 2 at the moment is continuously determined, namely whether the home gateway system 2 registers the network is detected; under the condition that the home gateway system 2 has registered a network, the processor determines the registered network type again, and if the network registration type is the first network type, the processor reads a first private PDN parameter of the external network 3 and initiates PDN dialing to the external network 3 according to the first private PDN parameter so as to establish first private PDN connection. After the first private PDN connection is established, the processor initiates an account registration request according to the established first private PDN connection, performs account registration of the home gateway system 2 to the external network 3, and if the account registration of the home gateway system 2 to the external network 3 is successful, the processor records that the account registration result is "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the private PDN connection (the first private PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the processor records the account registration result as "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. It should be noted that the first network type includes a 2G/3G network, but is not limited thereto.
According to the specific structure of the VOIP communication device and the specific process of implementing the VOIP communication method provided by the embodiments of the present invention, it can be known that: when the processor determines that the network registration type is the first network type, the processor can also read a first special PDN parameter of the external network 3, initiate PDN dialing to the external network 3 according to the first special PDN parameter to establish a first special PDN connection, and then complete account registration of the home gateway system 2 to the external network 3 according to the established first special PDN connection, so that when a user uses the home gateway system 2 to carry out VOIP telephone, voice data streams of VOIP can be transmitted through the first special PDN connection, resource competition caused by the fact that the voice data streams of VOIP and Internet data are transmitted through the same data PDN connection is avoided, the real-time performance and the integrity of voice data stream transmission are guaranteed, the quality of voice data stream transmission is improved, and user experience is well improved.
In the VOIP communication device provided in the above embodiment of the invention, after determining the network registration type of the home gateway system 2, the processor is further configured to determine, when the network registration type is the second network type, an establishment state of a second dedicated PDN connection, where the second dedicated PDN connection is used to transmit a voice data stream between the terminal and the external network 3, and the second dedicated PDN connection is automatically established after the home gateway system 2 connects to a network of the second network type; the processor is further configured to perform account registration of the home gateway system 2 with the external network 3 and record an account registration result when the establishment state of the second dedicated PDN connection is established. Specifically, if the account registration of the home gateway system 2 to the external network 3 is successful, the account registration result is recorded as "account registration successful", and at this time, the voice data stream of the VOIP can be transmitted between the terminal and the external network 3 through the dedicated PDN connection (second dedicated PDN connection). If the account registration of the home gateway system 2 to the external network 3 fails, the recorded account registration result is "account registration failure", and at this time, the voice data stream of the VOIP cannot be transmitted between the terminal and the external network 3. In addition, after the establishment state of the second private PDN connection is determined, when the establishment state of the second private PDN connection is not established, the account registration result is also recorded as "account registration failure".
It should be noted that, when the home gateway system 2 operates in the wireless mode and it is detected that the network registration type is the second network type, the second dedicated PDN connection is automatically established after the home gateway system 2 registers to the network, and manual establishment by the user is not required, so that, when it is detected that the network registration type is the second network type, it is only necessary for the processor to directly determine the establishment state of the second dedicated PDN connection at that time, and manual establishment of the second dedicated PDN connection is not required. In addition, the second dedicated PDN connection established as described above is not the same PDN connection as the first dedicated PDN connection established, and the PDN parameters corresponding to the first dedicated PDN connection and the second dedicated PDN connection are different. In addition, the second network type includes a 4G network, but is not limited thereto.
And after the establishment state of the second private PDN connection is determined to be established, the processor is further used for determining an account registration mode of the home gateway system 2, performing account registration of the home gateway system 2 on the external network 3 according to the account registration mode of the home gateway system 2, and recording an account registration result.
The account registration mode of the home gateway system 2 is configured in advance, and generally includes an automatic registration mode and a manual registration mode, and when the account registration mode is the automatic registration mode, since the account registration process is performed synchronously after the second dedicated PDN connection is established, the account registration state is directly queried without performing the account registration process manually, and the account registration result is recorded. On the other hand, if the account registration mode is the manual registration mode, the processor needs to initiate an account registration request to register an account of the external network 3 with the home gateway system 2.
The processor included in the VOIP communication device provided in the above embodiment of the present invention is further configured to obtain manual account registration request information before determining the working mode configured by the home gateway system 2; and the processor is also used for determining the account registration mode of the home gateway system 2 as a manual registration mode according to the manual account registration request information. When the account registration mode of the home gateway system 2 is determined to be the manual registration mode, the processor initiates an account registration request, performs account registration of the home gateway system 2 on the external network 3, and records an account registration result.
In the VOIP communication device provided in the above embodiment of the present invention, after the working mode configured by the home gateway system 2 is determined, the processor is further configured to register an account of the home gateway system 2 with the external network 3 and record an account registration result when the working mode is the wired mode. Specifically, when it is determined that the home gateway system 2 operates in the wired mode, the processor continues to determine the network connection state of the home gateway system 2, that is, detects whether the wired broadband is connected to the Internet network, and if so, initiates an account registration request to perform account registration of the home gateway system 2 with the external network 3.
Under the condition that the home gateway system 2 works in the wired mode, the processor is further used for determining the network connection state of the home gateway system 2 after determining that the working mode is the wired mode; the processor is further configured to wait for receiving information that the network connection status is a connected status when the network connection status of the home gateway system 2 is an unconnected status; the processor is further configured to perform account registration of the home gateway system 2 with the external network 3 when receiving information that the network connection status is the connected status, and record an account registration result.
For the VOIP communication device 6 provided in the above embodiment, it should be noted that, no matter the home gateway system 2 works in the wired mode or the wireless mode, when performing account registration, the processor may initiate an SIP account registration request; and after the account registration request is completed, the processor can also judge whether the account registration state is successful and record the account registration result. When the VOIP communication device 6 is used to transmit VOIP voice data stream, the processor may detect the account registration result after the user goes off the hook, and when the account registration is successful, the user may perform dialing operation and realize a call. In addition, no matter the home gateway system 2 works in a wireless mode or a wired mode, the VOIP communication device 6 provided in the above embodiment can realize transmission of VOIP voice data streams, i.e. differences in network access, and does not affect transmission of VOIP voice data streams, thereby further improving user experience.
The external network 3 to be registered by the VOIP communication device 6 provided in the above embodiment of the present invention has various options, and optionally includes an IMS network, and beneficial effects generated when the external network 3 selects the IMS network are already described in part of descriptions of the VOIP communication method in the description, and are not described herein again.
It should be noted that, because the VOIP communication device and the VOIP communication equipment 6 provided in the above embodiment are both used for implementing the above VOIP communication method, the description of the parts corresponding to the VOIP communication device and the VOIP communication equipment 6 in the specification is relatively simple, and for the analysis of the beneficial effects of the VOIP communication device and the VOIP communication equipment 6, reference may be specifically made to the parts describing the VOIP communication method in the specification.
With reference to fig. 1, an embodiment of the present invention further provides a home gateway system 2, including the VOIP communication device 6 provided in the foregoing embodiment of the present invention, where the home gateway system 2 further includes: a first external interface 7, a second external interface 8 and a mobile radio module 9; wherein, the first external interface 7 is used for accessing the telephone 1; the second external interface 8 is used for accessing the wired network 4 (fixed broadband network) and the mobile radio module 9 is used for accessing the wireless network 5. The home gateway system 2 may also include additional hardware such as power supplies, indicator lights and power switches.
The VOIP communication device 6 is respectively connected to the first external interface 7, the second external interface 8 and the mobile wireless module 9, and is configured to encode the voice data stream transmitted from the first external interface 7, and output the encoded voice data stream of VOIP to the external network 3 (for example, IMS network) through the second external interface 8 or the mobile wireless module 9; the VOIP communication device 6 is also configured to decode the voice data stream received from the second external interface 8 or the mobile wireless module 9, and output the decoded voice data stream of VOIP to the telephone through the first external interface 7.
The types of the first external interface 7 and the second external interface 8 are various, and for example: the first external interface 7 is an RJ11 interface, and the second external interface 8 is an RJ45 interface, which is not limited to these two interfaces. The mobile wireless Module 9 may specifically include a radio frequency chip, a SIM card (Subscriber Identity Module), a peripheral circuit, and a related software Module.
It should be noted that, no matter whether the transmission path of the voice data stream is provided by the wired network 4 or the wireless network 5, for the voice control signaling, the voice control signaling can be packaged into the SIP packet for transmission in the IP network; for voice data, the voice data can be packaged into a Real-time Transport Protocol (RTP) packet for transmission in an IP network. Specifically, the SIP protocol supports a variety of commands, and can be used to encapsulate signaling between a calling party and a called party, such as dialing, ringing, answering, and the like. The RTP Protocol can encode a voice stream, encapsulate the encoded voice stream into a User Datagram Protocol (UDP) packet, and transmit the UDP packet over an IP network.
Referring to fig. 5, when the user uses the home gateway system 2 to perform VOIP telephony, after the user goes off the phone, the VOIP communication device 6 can detect whether the account is successfully registered, and if the account is successfully registered, play a dial tone, wait for collecting user keys, and perform dialing; and if the account registration fails, playing a warning sound and waiting for response.
The home gateway system 2 provided by the embodiment of the present invention can ensure that a user performs a VOIP call regardless of which network (wired network or wireless network) is accessed, that is, the home gateway system 2 can implement a VOIP call in different ways for different network access ways, which improves user experience well, and when the home gateway system 2 works in a wireless mode, the VOIP communication device 6 included in the home gateway system 2 can establish a dedicated PDN connection (including a first dedicated PDN connection and a second dedicated PDN connection), thereby ensuring transmission quality of voice data streams.
In the foregoing description of embodiments, the particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (22)

1. A VOIP communication method, comprising:
when the working mode configured by the home gateway system is determined to be a wireless mode, determining the network registration state of the home gateway system;
when the network registration state is a success state, determining the network registration type of the home gateway system;
when the network registration type is a first network type, reading a first special PDN parameter of an external network, and initiating PDN dialing to the external network according to the first special PDN parameter to establish a first special PDN connection;
and according to the established first special PDN connection, carrying out account registration of the home gateway system to an external network, and when the account registration result is successful, realizing transmission of voice data stream of VOIP between the terminal and the external network through the first special PDN connection.
2. The VOIP communication method according to claim 1, wherein after determining the network registration type of the home gateway system, the VOIP communication method further comprises:
when the network registration type is a second network type, determining the establishment state of a second special PDN connection;
and when the establishment state of the second private PDN connection is established, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
3. The VOIP communicating method according to claim 2, wherein after determining that the establishment status of said second dedicated PDN connection is established, said VOIP communicating method further comprises:
determining an account registration mode of the home gateway system;
and according to the account registration mode of the home gateway system, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
4. The VOIP communication method according to claim 3, wherein before said determining the operating mode of the home gateway system configuration, said VOIP communication method further comprises:
acquiring manual account registration request information;
the determining the account registration mode of the home gateway system comprises:
and determining that the account registration mode of the home gateway system is a manual registration mode according to the manual account registration request information.
5. The VOIP communication method according to claim 1, wherein after determining the operation mode of the home gateway system configuration, the VOIP communication method further comprises:
and when the working mode is the wired mode, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
6. The VOIP communication method according to claim 5, wherein after determining that the operating mode is a wired mode, the VOIP communication method further comprises:
determining a network connection state of the home gateway system;
when the network connection state of the home gateway system is an unconnected state, waiting for receiving the information that the network connection state is a connected state;
and when the information that the network connection state is the connected state is received, carrying out account registration of the home gateway system to an external network, and recording an account registration result.
7. The VOIP communication method according to any one of claims 1 to 6, wherein said external network comprises an IMS network.
8. A VOIP communications apparatus, comprising:
the system comprises a determining unit, a judging unit and a judging unit, wherein the determining unit is used for determining the network registration state of the home gateway system when the working mode configured by the home gateway system is determined to be a wireless mode;
the determining unit is further configured to determine a network registration type of the home gateway system when the network registration state is a successful state;
an establishing unit, configured to, when the network registration type is a first network type, read a first dedicated PDN parameter of an external network, and initiate PDN dialing to the external network according to the first dedicated PDN parameter, so as to establish a first dedicated PDN connection;
and the registration unit is used for registering the account of the home gateway system on the external network according to the established first special PDN connection, and realizing the transmission of the voice data stream of the VOIP between the terminal and the external network through the first special PDN connection when the account registration result is successful.
9. The VOIP communicator of claim 8, wherein, upon determining a network registration type of the home gateway system,
the determining unit is further configured to determine, when the network registration type is a second network type, an establishment state of a second dedicated PDN connection;
and the registering unit is further configured to perform account registration of the home gateway system to an external network and record an account registration result when the establishment state of the second dedicated PDN connection is established.
10. The VOIP communication apparatus of claim 9, wherein after determining that the establishment status of the second private PDN connection is established,
the determining unit is further configured to determine an account registration mode of the home gateway system;
the registration unit is further configured to perform account registration of the home gateway system to an external network according to the account registration mode of the home gateway system, and record an account registration result.
11. The VOIP communicator of claim 10, further comprising:
the acquiring unit is used for acquiring manual account registration request information before the working mode configured by the home gateway system is determined;
the determining unit is further configured to determine, according to the manual account registration request information, that an account registration mode of the home gateway system is a manual registration mode.
12. The VOIP communicator of claim 8, wherein, upon determining an operational mode of the home gateway system configuration,
and the registration unit is further configured to register an account of the home gateway system with an external network and record an account registration result when the working mode is the wired mode.
13. The VOIP communications apparatus of claim 12,
the determining unit is further configured to determine a network connection state of the home gateway system after determining that the working mode is the wired mode;
the VOIP communicator further includes:
a receiving unit, configured to wait for receiving information that a network connection state of the home gateway system is a connected state when the network connection state of the home gateway system is an unconnected state;
the registration unit is further configured to register an account of the external network with the home gateway system and record an account registration result when the information that the network connection status is the connected status is received.
14. The VOIP communications device according to any of claims 8-13, wherein said external network comprises an IMS network.
15. A VOIP communications device, characterized in that said VOIP communications device comprises:
the processor is used for determining the network registration state of the home gateway system when the working mode configured by the home gateway system is determined to be a wireless mode;
the processor is further configured to determine a network registration type of the home gateway system when the network registration state is a successful state;
the processor is further configured to, when the network registration type is a first network type, read a first private PDN parameter of an external network, and initiate PDN dialing to the external network according to the first private PDN parameter to establish a first private PDN connection;
and the processor is further configured to perform account registration of the home gateway system to an external network according to the established first dedicated PDN connection, and when an account registration result is successful, realize that a voice data stream of VOIP is transmitted between the terminal and the external network through the first dedicated PDN connection.
16. The VOIP communications device of claim 15, wherein, upon determining a network registration type of the home gateway system,
the processor is further configured to determine an establishment state of a second private PDN connection when the network registration type is a second network type;
and the processor is further configured to perform account registration of the home gateway system to an external network and record an account registration result when the establishment state of the second private PDN connection is established.
17. The VOIP communication device of claim 16, wherein upon determining that the establishment status of the second private PDN connection is established,
the processor is further configured to determine an account registration mode of the home gateway system;
the processor is further configured to register an account of the home gateway system with an external network according to the account registration mode of the home gateway system, and record an account registration result.
18. The VOIP communications device of claim 17,
the processor is further configured to acquire manual account registration request information before the determining of the working mode configured by the home gateway system;
the processor is further configured to determine, according to the manual account registration request information, that an account registration mode of the home gateway system is a manual registration mode.
19. The VOIP communications device of claim 15, wherein, upon determining an operational mode of the home gateway system configuration,
and the processor is further configured to register an account of the home gateway system with an external network and record an account registration result when the working mode is the wired mode.
20. The VOIP communications device of claim 19,
the processor is further configured to determine a network connection state of the home gateway system after determining that the working mode is a wired mode;
the processor is further configured to wait for receiving information that the network connection state is a connected state when the network connection state of the home gateway system is an unconnected state;
and the processor is further configured to register an account of the external network by the home gateway system and record an account registration result when the information that the network connection state is the connected state is received.
21. VOIP communications device according to any of claims 15-20, characterized in that said external network comprises an IMS network.
22. A home gateway system comprising a VOIP communications device according to any one of claims 15 to 21.
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