TWI732721B - Method for dynamically configuring sip accounts on voip and voip server - Google Patents

Abstract

The disclosure provides a method for dynamically configuring SIP accounts on VoIP and a VoIP server. The method includes: sending a VoIP call request from a terminal device to a VoIP server; verifying, by the VoIP server, the terminal device based on a temporary token in the VoIP call request; in response to determining that the terminal device has passed the verification, estimating, by the VoIP server, a priority of each available SIP account and obtaining N specific SIP accounts from the multiple available SIP accounts accordingly; pushing, by the VoIP server, the N specific SIP accounts to the terminal device and other terminal devices, wherein the terminal device and the other terminal devices individually communicate with each other based on the corresponding specific SIP account.

Description

Method for dynamically configuring SIP account on VoIP and VoIP system

The present invention relates to an IP-based voice transmission (Voice over Internet Protocol, VoIP) technology, and particularly relates to a method for dynamically configuring SIP accounts on VoIP and a VoIP system.

In the existing VoIP system, a fixed number allocation technology is generally used. That is, the VoIP server can permanently assign a Session Initiation Protocol (SIP) account to each terminal device that wants to make a call. However, this kind of fixed number allocation technology generally causes the following shortcomings: (1) It will increase the cost of the server and subsequent maintenance; (2) If the VoIP server does not properly control the number of calls, it will exceed the VoIP server The limit that can be accommodated is likely to cause system service obstacles; (3) Larger data storage; (4) SIP passwords are easier to crack.

In view of this, the present invention provides a method for dynamically configuring a SIP account and a VoIP system, which can be used to solve the above technical problems.

The present invention provides a method for dynamically configuring a SIP account on VoIP, including: a first terminal device sends a VoIP call request to a VoIP server, wherein the VoIP call request includes a temporary token and the first terminal device wants to talk And the total number of the first terminal device and the at least one other terminal device is N; the VoIP server verifies the first terminal device based on the temporary token in the VoIP call request, and how much is the VoIP server maintained? Available SIP accounts; in response to determining that the first terminal device has passed the verification, the VoIP server estimates a priority order of each available SIP account based on a usage situation and an abnormal situation of each available SIP account; the VoIP server determines the priority of each available SIP account based on each available SIP account The priority order of the accounts obtains N specific SIP accounts from the plurality of available SIP accounts; the VoIP server pushes the N specific SIP accounts to the first terminal device and at least one other terminal device, wherein the first terminal device And at least one other terminal device individually communicates with each other based on the corresponding specific SIP account.

The present invention provides a VoIP system, which includes a first terminal device and a VoIP server. The first terminal device sends a VoIP call request to the VoIP server, where the VoIP call request includes a temporary token and at least one other terminal device that the first terminal device wants to talk to, and the connection between the first terminal device and the at least one other terminal device The total is N. The VoIP server authenticates the first terminal device based on the temporary token in the VoIP call request, wherein the VoIP server maintains multiple available SIP accounts. In response to determining that the first terminal device passes the verification, the VoIP server estimates a priority order of each available SIP account based on a usage situation and an abnormal situation of each available SIP account. The VoIP server obtains N specific SIP accounts from the plurality of available SIP accounts according to the priority order of the available SIP accounts. The VoIP server pushes the N specific SIP accounts to the first terminal device and at least one other terminal device, where the first terminal device and the at least one other terminal device respectively communicate with each other based on the corresponding specific SIP account.

Please refer to FIG. 1, which is a schematic diagram of a VoIP system according to an embodiment of the present invention. In FIG. 1, the VoIP system 100 includes a VoIP server 110 and terminal devices TD1 ˜TDM, wherein the VoIP server 110 and the terminal devices TD1 ˜TDM can exchange data with each other through a network 199.

In the embodiment of the present invention, the VoIP server 110 may include a control unit 111, a number allocation unit 112, an authentication unit 113, and a message push unit 114, and it may cooperate with the terminal devices TD1~TDM to realize the dynamic configuration of the present invention. The details of the SIP account method will be detailed later.

In different embodiments, the terminal devices TD1~TDM can be various network communication devices (such as smart phones, tablet computers, etc.), and each can be installed with a specific VoIP application, and this specific VoIP application can be used to The VoIP server 110 requests a VoIP call with other terminal devices.

For the convenience of description, the following assumes that the terminal device TD1 is a transmitter device for initiating a VoIP call, but it is not limited to this. In one embodiment, assuming that the user of the terminal device TD1 wants to initiate a VoIP call to one or more of the other terminal devices TD2~TDM, the user can, for example, select the terminal device from the specific VoIP application of the terminal device TD1 One or more of TD2~TDM are used as receivers. Correspondingly, the VoIP server 110 can cooperate with the terminal device TD1 to execute the method for dynamically configuring a SIP account of the present invention to implement a VoIP call between the terminal device TD1 and the above-mentioned receiving device, and the details will be detailed with reference to FIG. 2 as follows.

Please refer to FIG. 2, which is a flowchart of a method for dynamically configuring a SIP account on VoIP according to an embodiment of the present invention. The method of this embodiment can be executed by the VoIP system 100 in FIG. 1. The details of each step in FIG. 2 will be described below in conjunction with the components shown in FIG. 1. In addition, in order to make the concept of the present invention easier to understand, the following will be supplemented with FIG. 3 for further explanation, in which FIG. 3 is a diagram of a one-to-one call application scenario drawn according to the first embodiment of the present invention.

First, in step S210, the terminal device TD1 may send a VoIP call request M1 to the VoIP server 110, where the VoIP call request M1 may include a temporary token and at least one other terminal device that the terminal device TD1 wants to call. And the total number of the terminal device TD1 and the at least one other terminal device is N.

In one embodiment, before sending the VoIP call request M1 to the VoIP server 110, the terminal device TD1 may send a token request message to the VoIP server 110, and the authentication unit 113 of the VoIP server 110 may respond to the token request The above-mentioned temporary token is provided to the terminal device 110 as a message, but the present invention is not limited to this.

In the first embodiment, assuming that the user of the terminal device TD1 only wants to talk to the terminal device TD2, the user of the terminal device TD1 can select the terminal device TD2 (or corresponding to the terminal device TD2) from the specific VoIP application of the terminal device TD1. Another user of device TD2). Correspondingly, the VoIP call request M1 sent by the terminal device TD1 may include the above-mentioned temporary token and the terminal device TD2, but it may not be limited to this. In addition, since the user of the terminal device TD1 in the first embodiment only wants to talk with the terminal device TD2, N is the total number of the terminal device TD1 and the terminal device TD2, that is, 2.

In step S220, the authentication unit 113 of the VoIP server 110 may verify the terminal device TD1 based on the temporary token in the VoIP call request M1. In the embodiment of the present invention, the VoIP server 110 may maintain multiple SIP accounts, which may include multiple SIP accounts in use and multiple available SIP accounts. In one embodiment, each of the multiple SIP accounts in use may be SIP accounts that have been allocated to a certain terminal device in a call, and each of the multiple available SIP accounts may be those that have not been allocated to any terminal device yet. SIP account. In other words, each SIP account in use can be understood as being occupied by a terminal device in a call, so it cannot be used for other calls temporarily. On the contrary, each available SIP account can be used to assign to any terminal device that wants to make a call, but it is not limited to this.

In step S230, in response to determining that the terminal device TD1 has passed the verification, the number allocation unit 112 of the VoIP server 110 may estimate the priority order of each available SIP account based on the use situation and abnormal situation of each available SIP account.

In the first embodiment, the number allocation unit 112 can estimate the risk score of each available SIP account based on the use situation and abnormal situation of each available SIP account, and upgrade the aforementioned available SIP account based on the risk score of each available SIP account. Power sorting to get the priority order of each available SIP account.

For example, assuming that the aforementioned available SIP account includes a first available SIP account, the use situation of the first available SIP account may include, for example, that the first available SIP account is in a preset time interval (such as the current day, the current week, the current month, or other designated Time interval) within the cumulative use time and cumulative use times. In addition, the abnormal situation of the first available SIP account may include, for example, the cumulative number of abnormalities of the first available SIP account within a preset time interval.

，累計使用次數可表徵為

，而累計異常次數可表徵為

，則第一可用SIP帳號的危險性分數可表徵為：

，其中

至

為分別對應於累計使用時間、累計使用次數及累計異常次數的權重。 In the first embodiment, it is assumed that the cumulative use time of the first available SIP account can be characterized as

, The cumulative use times can be characterized as

, And the cumulative number of abnormalities can be characterized as

, Then the risk score of the first available SIP account can be characterized as:

,among them

to

These are the weights corresponding to the accumulated use time, accumulated use times, and accumulated abnormal times respectively.

至

分別為50%、30%及20%，但本發明可不限於此。在一實施例中，假設1000@ngnast.cht.com.tw、2060@nanast.cht.com.tw及1002@nanast.cht.com.tw等三個可用SIP帳號的累計使用時間、累計使用次數及累計異常次數如下表1所例示。 可用SIP帳號 SIP密碼 累計使用時間（

） 累計使用次數（

） 累計異常次數（

） 1000@ngnast.cht.com.tw 1234 0.7 4 0 2060@nanast.cht.com.tw 3345 2.5 3 0 1002@nanast.cht.com.tw 6368 23.5 10 3 表1 For ease of illustration, the following assumptions

to

They are 50%, 30%, and 20%, respectively, but the present invention may not be limited thereto. In one embodiment, suppose that the cumulative use time and cumulative use times of three available SIP accounts such as 1000@ngnast.cht.com.tw, 2060@nanast.cht.com.tw, and 1002@nanast.cht.com.tw And the cumulative number of abnormalities are shown in Table 1 below. Available SIP accounts SIP password Cumulative use time (

) Cumulative use times (

) Cumulative number of exceptions (

) 1000@ngnast.cht.com.tw 1234 0.7 4 0 2060@nanast.cht.com.tw 3345 2.5 3 0 1002@nanast.cht.com.tw 6368 23.5 10 3 Table 1

0.7+30%

4+20%

0），2060@nanast.cht.com.tw的危險性分數可經計算為2.15（即，50%

2.5+30%

3+20%

0），而1002@nanast.cht.com.tw的危險性分數可經計算為15.2（即，50%

23.2+30%

10+20%

3）。在此情況下，配號單元112可基於表1中各可用SIP帳號的危險性分數將這些可用SIP帳號進行升冪排序，以取得各可用SIP帳號的優先順序。因此，表1中3個可用SIP帳號的優先順序由高至低依序為1000@ngnast.cht.com.tw、2060@nanast.cht.com.tw及1002@nanast.cht.com.tw。 In the scenario in Table 1, the risk score of 1000@ngnast.cht.com.tw can be calculated as 1.55 (ie, 50%

0.7+30%

4+20%

0), the risk score of 2060@nanast.cht.com.tw can be calculated as 2.15 (ie, 50%

2.5+30%

3+20%

0), and the risk score of 1002@nanast.cht.com.tw can be calculated as 15.2 (that is, 50%

23.2+30%

10+20%

3). In this case, the number allocation unit 112 may sort the available SIP accounts in ascending order based on the risk scores of the available SIP accounts in Table 1, so as to obtain the priority order of the available SIP accounts. Therefore, the priority of the three available SIP accounts in Table 1 is 1000@ngnast.cht.com.tw, 2060@nanast.cht.com.tw and 1002@nanast.cht.com.tw in descending order.

In other embodiments, for scenarios with more/fewer available SIP accounts, the number allocation unit 112 can estimate the risk score of each available SIP account based on the above teaching, and obtain the priority order of each available SIP account accordingly. , But not limited to this.

） 累計使用次數（

） 累計異常次數（

） 1 1000@ngnast.cht.com.tw 1234 0.7 4 0 2 2060@nanast.cht.com.tw 3345 2.5 3 0 3 1002@nanast.cht.com.tw 6368 23.5 10 3 … … … … … … 64 2003@ngnast.cht.com.tw 1789 17.3 30 3 65 2000@ngnast.cht.com.tw 4325 18.5 56 2 表2 Afterwards, in step S240, the number allocation unit 112 of the VoIP server 110 may obtain N specific SIP accounts from the plurality of available SIP accounts according to the priority order of the available SIP accounts, where the N specific SIP accounts are, for example, Are the top N available SIP accounts among the above-mentioned available SIP accounts. Priority Available SIP accounts SIP password Cumulative use time (

) Cumulative use times (

) Cumulative number of exceptions (

) 1 1000@ngnast.cht.com.tw 1234 0.7 4 0 2 2060@nanast.cht.com.tw 3345 2.5 3 0 3 1002@nanast.cht.com.tw 6368 23.5 10 3 … … … … … … 64 2003@ngnast.cht.com.tw 1789 17.3 30 3 65 2000@ngnast.cht.com.tw 4325 18.5 56 2 Table 2

In the first embodiment, it is assumed that the priority order of the available SIP accounts is as illustrated in Table 2 above. In this case, since N is 2, the number allocation unit 112, for example, can select the top two available SIP accounts (ie 1000@ngnast.cht.com.tw and 2060@nanast.cht.com.tw) as Specific SIP accounts, and these specific SIP accounts can be recorded as SIP accounts in use, but it is not limited to this.

In other embodiments, in response to determining that the number of available SIP accounts is less than N, the number allocation unit 112 may provide a warning message accordingly to inform the relevant maintenance personnel that the current available SIP accounts are insufficient, and the maintenance personnel Then, measures such as increasing the available SIP accounts can be taken accordingly, but it is not limited to this.

After determining the specific SIP account, in step S250, the message pushing unit 114 of the VoIP server 110 may push the N specific SIP accounts to the terminal device TD1 and other terminal devices TD2. For ease of description, it is assumed below that the specific SIP account obtained by the number allocation unit 112 in the first embodiment includes the first SIP account A1 and the second SIP account A2, and the message pushing unit 114 may assign the first SIP account A1 to The first password of the first SIP account A1 and the second SIP account A2 are pushed to the terminal device TD1. In addition, the message pushing unit 114 can also push the second SIP account A2 and the second password corresponding to the second SIP account A2 to the terminal device TD2.

After that, the terminal device TD1 and the terminal device TD2 can register with the control unit 111 of the VoIP server 110 based on the first SIP account A1 and the second SIP account A2, respectively. In one embodiment, after the terminal device TD1 and the terminal device TD2 complete registration, the terminal device TD1 sends a SIP invitation message to the terminal device TD2, and the terminal device TD2 can communicate with the terminal device TD1 in response to the SIP invitation message.

In other embodiments, in response to the terminal device TD1 being unable to complete the registration due to some reasons (such as poor communication environment), the terminal device TD1 may send a registration failure message to the VoIP server 110, and the configuration unit 112 of the VoIP server 110 may respond The first SIP account A1 is retrieved in response to the registration failure message from the terminal device TD1. Correspondingly, the number allocation unit 112 can mark/record the first SIP account A1 as one of the available SIP accounts.

Similarly, in response to the terminal device TD2 being unable to complete the registration, the terminal device TD2 sends a registration failure message to the VoIP server 110, where the number allocation unit 112 of the VoIP server 110 can retrieve the second registration in response to the registration failure message from the terminal device TD2 SIP account A2. Correspondingly, the number allocation unit 112 can mark/record the second SIP account A2 as one of the available SIP accounts.

In addition, in the embodiment of the present invention, the terminal device TD1 and the terminal device TD2 in the call can send account activation messages to the VoIP server 110 individually or from time to time, which is reflected in the determination of the number allocation unit 112 of the VoIP server 110 If the account activation message is not received from the terminal device TD1, the number allocation unit 112 of the VoIP server 110 can retrieve the first SIP account A1, and mark/record the first SIP account A1 as one of the available SIP accounts. In addition, in response to the determination that the number allocation unit 112 of the VoIP server 110 has not received the account activation message from the terminal device TD2, the number allocation unit 112 of the VoIP server 110 retrieves the second SIP account A2 and marks the second SIP account A2. Recorded as one of the available SIP accounts.

Please refer to FIG. 4, which is a diagram of a group call scenario according to the second embodiment of the present invention. In the second embodiment, assuming that the user of the terminal device TD1 wants to talk with the terminal devices TD2 and TD3, the user of the terminal device TD1 can select the terminal devices TD2 and TD3 from the specific VoIP application of the terminal device TD1. Correspondingly, the VoIP call request M1 sent by the terminal device TD1 in step S210 may include the aforementioned temporary token and the terminal devices TD2 and TD3, but it may not be limited thereto. In addition, since the user of the terminal device TD1 in the second embodiment wants to talk with the terminal devices TD2 and TD3, N is the total number of the terminal devices TD1 to TD3, which is 3.

After that, the VoIP server 110 can perform steps S220 to S240 to obtain N (ie, 3) specific SIP accounts from the plurality of available SIP accounts, and the relevant details can refer to the description in the first embodiment. This will not be repeated here. After that, the message pushing unit 114 of the VoIP server 110 can push the N specific SIP accounts to the terminal devices TD1 to TD3 in step S250.

For ease of description, it is assumed below that the specific SIP account obtained by the number allocation unit 112 in the second embodiment includes the first SIP account A1, the second SIP account A2, and the third SIP account A3, and the message pushing unit 114 may assign the first SIP account A1, the second SIP account A2, and the third SIP account A3. The SIP account A1, the first password corresponding to the first SIP account A1, the second SIP account A2, and the third SIP account A3 are pushed to the terminal device TD1. In addition, the message pushing unit 114 can also push the second SIP account A2 and the second password corresponding to the second SIP account A2 to the terminal device TD2. In addition, the message pushing unit 114 can also push the third SIP account A3 and the third password corresponding to the third SIP account A3 to the terminal device TD3.

After that, the terminal device TD1, the terminal device TD2, and the terminal device TD3 can register with the control unit 111 of the VoIP server 110 based on the first SIP account A1, the second SIP account A2, and the third SIP account A3, respectively. Moreover, after the terminal device TD1, the terminal device TD2, and the terminal device TD3 complete registration, the control unit 111 of the VoIP server 110 may individually send SIP invitation messages to the terminal device TD1, the terminal device TD2, and the terminal device TD3. Correspondingly, the terminal device TD1, the terminal device TD2, and the terminal device TD3 can perform a group call in response to the corresponding SIP invitation message.

In the second embodiment, the number allocation unit 112 can also recover the first SIP account A1, the second SIP account A2, and/or according to the registration failure in the first embodiment or the account activation message is not received as scheduled. The third SIP account A3, and the related details can refer to the description in the first embodiment, which will not be repeated here.

In addition, in the second embodiment, the control unit 111 of the VoIP server 110 can send the group call identifier SID corresponding to the aforementioned group call to the terminal device TD1, so that the terminal device TD1 can invite other terminal devices accordingly Join the above group call.

Please refer to FIG. 5, which is a scene diagram of an inviting terminal device according to a third embodiment of the present invention. In the third embodiment, it is assumed that the user of the terminal device TD1 wants to additionally invite the terminal device TD4 to join the group call during the group call with the terminal devices TD2 and TD3. In this case, the terminal device TD1 may send a member invitation message M2 to the number allocation unit 112 of the VoIP server 110, wherein the member invitation message M2 may include the terminal device TD4 that wants to join the group call.

Correspondingly, the number allocation unit 112 of the VoIP server 110 can select the fourth SIP account A4 from the available SIP accounts in response to the member invitation message M2, push the fourth SIP account A4 to the terminal device TD1, and send the fourth IP account A4 to the terminal device TD1. The account number A4 and the fourth password corresponding to the fourth SIP account number A4 are pushed to the terminal device TD4. After that, the terminal device TD4 can register with the control unit 111 of the VoIP server 110 based on the fourth SIP account A4.

After that, the terminal device TD1 can send a new member message M3 to the control unit 111 of the VoIP server 110, where the new member message M3 can include the fourth SIP account A4 and the group call identifier SID. Correspondingly, the control unit 111 of the VoIP server 110 can send another SIP invitation message to the terminal device TD4 in response to the new member message M3, and the terminal device TD4 can join the group call in response to this other SIP invitation message. .

In summary, the present invention has at least the following features: (1) A rigorous number allocation and recovery mechanism can be used to avoid system paralysis caused by deliberately occupying a large number of SIP accounts, thereby improving security; (2) Through allocation The number unit dynamically assigns a specific SIP account, so that the user will only request a SIP account to the number allocation unit when they need to make a call, so as to avoid waste of SIP account resources; (3) It can reduce the hardware and maintenance costs of the VoIP server.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The protection scope of the present invention shall be subject to those defined by the attached patent application scope.

100: VoIP system 110: VoIP server 111: control unit 112: Number matching unit 113: Certification Unit 114: Message Push Unit 199: Network A1: The first SIP account A2: The second SIP account A3: Third SIP account A4: Fourth SIP account M1: VoIP call request M2: Member invitation message M3: Add member message S210~S250: steps TD1~TDM: terminal device

Fig. 1 is a schematic diagram of a VoIP system according to an embodiment of the present invention. Fig. 2 is a flowchart of a method for dynamically configuring a SIP account on VoIP according to an embodiment of the present invention. Fig. 3 is a diagram illustrating a one-to-one call application scenario according to the first embodiment of the present invention. Fig. 4 is a diagram of a group call scenario according to a second embodiment of the present invention. FIG. 5 is a schematic diagram of an inviting terminal device according to a third embodiment of the present invention.

S210~S250: steps

Claims (13)

A method for dynamically configuring Session Initiation Protocol (SIP) accounts on VoIP, including: A VoIP call request is sent from a first terminal device to a VoIP server, where the VoIP call request includes a temporary token and at least one other terminal device that the first terminal device wants to talk to, and the first terminal device and The total number of the at least one other terminal device is N; The VoIP server verifies the first terminal device based on the temporary token in the VoIP call request, wherein the VoIP server maintains a plurality of available SIP accounts; In response to determining that the first terminal device passes the verification, the VoIP server estimates a priority order of each available SIP account based on a usage situation and an abnormal situation of each available SIP account; The VoIP server obtains N specific SIP accounts from the available SIP accounts according to the priority order of the available SIP accounts; The VoIP server pushes the N specific SIP accounts to the first terminal device and the at least one other terminal device, wherein the first terminal device and the at least one other terminal device are each based on the corresponding specific SIP account. Make a call. The method described in claim 1, further including: The first terminal device sends a token request message to the VoIP server, wherein the VoIP server provides the temporary token to the first terminal device in response to the token request message. The method according to claim 1, wherein the available SIP accounts include a first available SIP account, and the use situation of the first available SIP account includes the cumulative use of the first available SIP account in a preset time interval Time and cumulative use times, the abnormal situation of the first available SIP account includes the cumulative abnormal times of the first available SIP account within the preset time interval. The method according to claim 3, wherein the step of estimating the priority order of each available SIP account by the VoIP server based on the use situation and the abnormal situation of each available SIP account includes: The VoIP server estimates a risk score of each available SIP account based on the use situation and the abnormal situation of each available SIP account; The available SIP accounts are sorted in ascending order based on the risk score of each available SIP account to obtain the priority order of each available SIP account. The method according to claim 4, wherein the cumulative use time of the first available SIP account is characterized as

, The cumulative use times is characterized as

, The cumulative number of abnormalities is characterized as

, And the risk score of the first available SIP account is characterized as:

,among them

to

It is the weight corresponding to the cumulative use time, the cumulative use count, and the cumulative abnormal count respectively. The method according to claim 1, wherein the at least one other terminal device includes a second terminal device, the N specific SIP accounts include a first SIP account and a second SIP account, and the VoIP server will The step of pushing the N specific SIP accounts to the first terminal device and the at least one other terminal device includes: Pushing the first SIP account, a first password corresponding to the first SIP account, and the second SIP account to the first terminal device; Push the second SIP account and a second password corresponding to the second SIP account to the second terminal device. The method according to claim 6, wherein the method further includes: Registering with the VoIP server by the first terminal device and the second terminal device based on the first SIP account and the second SIP account respectively; After the first terminal device and the second terminal device are registered, the first terminal device sends a SIP invitation message to the second terminal device. The second terminal device responds to the SIP invitation message and the first terminal device. The terminal device makes a call. The method described in claim 7 further includes: In response to the failure of the first terminal device to complete the registration, the first terminal device sends a registration failure message to the VoIP server, where the VoIP server retrieves the first terminal device in response to the registration failure message from the first terminal device. A SIP account; In response to the second terminal device being unable to complete the registration, the second terminal device sends the registration failure message to the VoIP server, and the VoIP server retrieves the second terminal device in response to the registration failure message from the second terminal device. 2. SIP account. The method according to claim 7, wherein the first terminal device and the second terminal device in the call separately send an account activation message to the VoIP server, wherein the response is that the VoIP server determines that the first terminal has not been sent from the first terminal The device receives the account activation message, and the VoIP server retrieves the first SIP account; In response to the VoIP server determining that the account activation message has not been received from the second terminal device, the VoIP server retrieves the second SIP account. The method according to claim 6, wherein the at least one other terminal device further includes a third terminal device, the N specific SIP accounts further include a third SIP account corresponding to the third terminal device, and the Methods include: Pushing the third SIP account to the first terminal device; Pushing the third SIP account and a third password corresponding to the third SIP account to the third terminal device; The first terminal device, the second terminal device, and the third terminal device respectively register with the VoIP server based on the first SIP account, the second SIP account, and the third SIP account; After the first terminal device, the second terminal device, and the third terminal device are registered, the VoIP server sends a SIP invitation to the first terminal device, the second terminal device, and the third terminal device. Message, wherein the first terminal device, the second terminal device, and the third terminal device perform a group call in response to the corresponding SIP invitation message. The method according to claim 10, wherein the group call corresponds to a group call identifier, and the method further includes: Providing the group call identifier to the first terminal device by the VoIP server; Sending a member invitation message from the first terminal device to the VoIP server, wherein the member invitation message includes a fourth terminal device that wants to join the group call; The VoIP server selects a fourth SIP account from the available SIP accounts in response to the member invitation message, and pushes the fourth SIP account to the first terminal device, and the fourth IP account and the corresponding Push a fourth password of the fourth SIP account to the fourth terminal device; Registering with the VoIP server by the fourth terminal device based on the fourth SIP account; Sending a new member message to the VoIP server from the first terminal device, wherein the new member message includes the fourth SIP account and the group call identifier; The VoIP server sends another SIP invitation message to the fourth terminal device in response to the new member message, wherein the fourth terminal device joins the group call in response to the other SIP invitation message. The method according to claim 1, wherein the N specific SIP accounts are the top N available SIP accounts among the available SIP accounts. A VoIP system, including: A first terminal device; and A VoIP server, where: The first terminal device sends a VoIP call request to the VoIP server, wherein the VoIP call request includes a temporary token and at least one other terminal device that the first terminal device wants to talk to, and the first terminal device and the VoIP server The total number of at least one other terminal device is N; The VoIP server authenticates the first terminal device based on the temporary token in the VoIP call request, wherein the VoIP server maintains a plurality of available SIP accounts; In response to determining that the first terminal device passes the verification, the VoIP server estimates a priority order of each available SIP account based on a usage situation and an abnormal situation of each available SIP account; The VoIP server obtains N specific SIP accounts from the available SIP accounts according to the priority order of the available SIP accounts, where the N specific SIP accounts are the first N available SIP accounts in the order of the available SIP accounts. SIP account; The VoIP server pushes the N specific SIP accounts to the first terminal device and the at least one other terminal device, wherein the first terminal device and the at least one other terminal device perform each other based on the corresponding specific SIP account. call.

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