CN105516123B - The method and landing telephone service server of the networking telephone and telephone network telephone communication - Google Patents
The method and landing telephone service server of the networking telephone and telephone network telephone communication Download PDFInfo
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- CN105516123B CN105516123B CN201510883129.6A CN201510883129A CN105516123B CN 105516123 B CN105516123 B CN 105516123B CN 201510883129 A CN201510883129 A CN 201510883129A CN 105516123 B CN105516123 B CN 105516123B
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- 238000004891 communication Methods 0.000 title abstract description 10
- 230000006855 networking Effects 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 100
- 238000005070 sampling Methods 0.000 claims description 27
- 238000012952 Resampling Methods 0.000 claims description 14
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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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
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Abstract
The invention discloses the methods and landing telephone service server of a kind of networking telephone and telephone network telephone communication, the described method includes: landing telephone service server receives the call request that calling party initiates, when calling party is iphone user, callee is then telephone network telephone subscriber；When calling party is telephone network telephone subscriber, callee is then iphone user；Telephone service server is landed after receiving call request, data transmission channel according to the creation of the resource information of voice room service device for transmitting audio data between calling party and callee, the resource information of voice room service device is that voice room service device returns to channel management server after for as the telephone network telephone subscriber of calling party or callee distribution voice channel, is sent to landing telephone service server by channel management server；It lands telephone service server and passes through data transmission channel transmitting audio data between calling party and callee.
Description
Technical Field
The invention relates to the internet technology, in particular to a method for communication between a network telephone and a telephone network telephone and a floor telephone service server.
Background
With the development of Internet in recent years, VOIP (Voice over Internet Protocol) is rapidly popularized, and telecommunication Voice services are gradually reduced. The advantage of the charge of the VOIP telephone is obvious, but at present, the VOIP user can only communicate with the VOIP user with the same software, the user must install the corresponding software to talk, and the communication object is greatly limited. A call cannot be made between a VOIP user and a telephone network user.
Disclosure of Invention
In order to solve the technical problem, the invention provides a method for communication between a network telephone and a telephone network telephone and a floor telephone service server, which can realize the conversation between the network telephone and the telephone network telephone.
In order to achieve the object of the present invention, the present invention provides a method for a network telephone to communicate with a telephone of a telephone network, comprising:
the landing telephone service server receives a call request initiated by a calling party, wherein when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of a telephone network, the called party is the telephone subscriber of the telephone network;
after receiving the call request, the floor telephone service server creates a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after distributing a voice channel for a telephone network telephone user as the calling party or the called party, and the channel management server sends the voice channel to the floor telephone service server;
and the floor telephone service server transmits voice data between the calling party and the called party through the data transmission channel.
Further, the resource information of the voice room server comprises an address, a control command port and a voice data port of the voice room server;
the creating of the data transmission channel for transmitting the voice data between the calling party and the called party according to the resource information of the voice room server includes: the floor telephone service server establishes a control link connection with a control command port of the voice room server, monitors the working state of the voice room server, establishes a data link connection with a voice data port of the voice room server, monitors voice data of the voice room server, establishes a data link connection with a call server providing a call service for a telephone network telephone, and monitors voice data of the call server.
Further, the said floor telephone service server transmits voice data between the calling party and the called party through the said data transmission channel, including:
the floor telephone service server decodes the network telephone coded data sent by the network telephone user to obtain the original PCM data of the network telephone, puts the original PCM data into a receiving frame list of a network telephone voice transmission protocol, extracts the original PCM data of the network telephone capable of resampling a frame of original PCM data of the telephone network according to the telephone network sampling rate, resamples the extracted original PCM data of the network telephone according to the telephone network sampling rate to obtain the original PCM data of the telephone network telephone, codes the obtained original PCM data of the telephone network telephone through the telephone network voice transmission protocol to obtain the coded data of the telephone network telephone, and puts the coded data into a sending frame queue of the telephone network voice transmission protocol.
Further, the said floor telephone service server transmits voice data between the calling party and the called party through the said data transmission channel, including:
the floor telephone service server decodes to obtain original PCM data of telephone network telephones after receiving the coded data of telephone network telephones sent by a telephone network telephone user, puts the original PCM data into a receiving frame list of a telephone network telephone voice transmission protocol, when the data quantity in the list can be resampled according to the sampling rate of the telephone network, takes the original PCM data of the telephone network telephones out of the receiving frame list of the telephone network voice transmission protocol, resamples the taken original PCM data of the telephone network telephones according to the sampling rate of the telephone network to obtain the original PCM data of the telephone network, codes the obtained original PCM data of the telephone network through the telephone network voice transmission protocol to obtain the coded data of the telephone network, and stores the coded data into a sending frame queue of the telephone network voice transmission protocol.
Further, the resource information of the voice room server is obtained from the call request sent by the floor telephone service server when the calling party is a network telephone user and the called party is a telephone network telephone user, the channel management server allocates a virtual user ID to the called party after the calling party initiates a call, requests the voice room server to allocate a voice channel to the called party, and sends the resource information returned by the voice room server after allocating the voice channel to the called party to the floor telephone service server in the call request; or,
and the floor telephone service server sends a joining request to the channel management server after receiving the call request, so that the channel management server requests the voice room server to allocate a voice channel for the calling party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the return message and sends the resource information to the floor telephone service server.
Further, a floor telephone service server includes: receiving unit, passageway establishment unit and data transmission unit, wherein:
the receiving unit is used for receiving a call request initiated by a calling party, and when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of a telephone network, the called party is the telephone subscriber of the telephone network;
the channel establishing unit is used for establishing a data transmission channel for transmitting voice data between a calling party and a called party according to the resource information of the voice room server after the message receiving unit receives the call request, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after allocating a voice channel for a telephone network telephone user as the calling party or the called party, and the channel management server sends the voice channel to the floor telephone service server;
and the data transmission unit is used for transmitting voice data between the calling party and the called party through the data transmission channel.
Further, the resource information of the voice room server comprises an address, a control command port and a voice data port of the voice room server;
the channel establishing unit establishes a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, and comprises the following steps: the method comprises the steps of establishing a control link connection with a control command port of a voice room server, monitoring the working state of the voice room server, establishing a data link connection with a voice data port of the voice room server, monitoring voice data of the voice room server, establishing a data link connection with a call server providing a call service for a telephone network telephone, and monitoring the voice data of the call server.
Further, the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, including:
after receiving the network telephone coding data sent by the network telephone user, decoding to obtain network telephone original PCM data, putting the network telephone original PCM data into a receiving frame list of a network telephone voice transmission protocol, taking out the network telephone original PCM data capable of resampling a frame of network telephone original PCM data according to a network telephone sampling rate, resampling the taken out network telephone original PCM data according to the network telephone sampling rate to obtain the network telephone original PCM data, coding the obtained network telephone original PCM data through the network telephone voice transmission protocol to obtain the network telephone coding data, and putting the network telephone coding data into a sending frame queue of the network telephone voice transmission protocol.
Further, the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, including:
after receiving the telephone network telephone coding data sent by the telephone network user, decoding to obtain the original PCM data of the telephone network, putting the original PCM data into a receiving frame list of the telephone network voice transmission protocol, when the data quantity in the list can be resampled according to the sampling rate of the telephone network, taking the original PCM data of the telephone network from the receiving frame list of the telephone network voice transmission protocol, resampling the taken original PCM data of the telephone network according to the sampling rate of the telephone network to obtain the original PCM data of the telephone network, coding the obtained original PCM data of the telephone network by the telephone network voice transmission protocol to obtain the coded data of the telephone network, and storing the coded data into a sending frame queue of the telephone network voice transmission protocol.
Further, the resource information of the voice room server is obtained by the channel establishing unit from the call request sent by the channel management server when the calling party is a network telephone user and the called party is a telephone network telephone user, the channel management server allocates a virtual user ID to the called party after the calling party initiates a call, requests the voice room server to allocate a voice channel to the called party, and sends the resource information returned by the voice room server after allocating the voice channel to the called party to the receiving unit together with the call request; or,
the resource information of the voice room server is obtained from the return message sent by the channel management server by the channel establishing unit when the calling party is a telephone network user and the called party is a telephone network user, the receiving unit sends a joining request to the channel management server after receiving the calling request, so that the channel management server requests the voice room server to allocate a voice channel for the calling party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the return message and sends the resource information to the receiving unit.
Compared with the prior art, the invention comprises that the landing telephone service server receives a call request initiated by a calling party, and when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of the telephone network, the called party is the telephone subscriber of the telephone network; after receiving the call request, the floor telephone service server creates a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after distributing a voice channel for a telephone network telephone user as the calling party or the called party, and the voice channel management server sends the voice channel to the floor telephone service server; the floor telephone service server transmits voice data between the calling party and the called party through a data transmission channel. The invention realizes the conversation between the network telephone and the telephone network telephone, and can call a plurality of mobile telephones to carry out multi-person chat through a chat room, wherein the chat room has both network telephone users and mobile telephone users. The mobile phone user can also actively call the network phone user to join the network chat room.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings 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 example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is an architecture diagram of a system for network telephone to telephone network telephone communication in accordance with the present invention;
FIG. 2 is a flow chart of a method of the present invention for network telephone to telephone network telephone communication;
fig. 3 is a flowchart of a network telephone calling a telephone network telephone according to embodiment 1 of the present invention;
fig. 4 is a flow chart of hanging up a telephone call of a telephone network according to embodiment 1 of the present invention;
fig. 5 is a flowchart of a telephone network telephone calling a network telephone according to embodiment 2 of the present invention;
fig. 6 is a flowchart of the internet phone hangup channel according to embodiment 2 of the present invention;
fig. 7 is an architecture diagram of a floor-based telephone service server of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
As shown in fig. 1, the system for the internet phone to communicate with the telephone network phone in the present invention comprises: channel management server, voice room server, land telephone service server and call server, wherein:
and a channel management server (PCMS) for managing a voice room server (PCS), a personal telephone service server (PCLS), user information, room information and the like.
And the voice room server (PCS) is used as a voice access gateway and is responsible for accessing the network telephone users to the service through TCP and providing Channel resources (channels) for the access users to use.
The PCLS is communicated with the PCMS, processes a telephone network call request of the network telephone through the PCMS, and establishes a data transmission channel; the PCLS also handles requests initiated by telephone network telephony to call the network phone to actively join the chat room.
And the call server interacts with the PCLS server, converts the connection control signaling and establishes connection with the telephone network.
As shown in fig. 2, the method for the internet phone to communicate with the telephone network phone of the present invention includes:
step 201: the landing telephone service server receives a call request initiated by a calling party, and when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of the telephone network, the called party is the telephone subscriber of the telephone network;
when a calling party is a network telephone user and a called party is a telephone network telephone user, the network telephone user of the calling party initiates a call to the PCMS, the PCMS interacts with the PCS to distribute a voice channel for the telephone network telephone user of the called party, and after the distribution of the voice channel of the telephone network telephone user of the called party is completed, the PCMS sends a call request to the PCLS, wherein the request carries the resource information of the PCS.
When the calling party is a telephone network telephone user and the called party is a telephone network user, the telephone network telephone user of the calling party initiates a call to a call server, and the call server sends a call request to the PCLS. PCLS sends a joining request to PCMS, PCMS interacts with PCS to distribute a voice channel for a telephone network telephone user of a calling party, and PCMS sends the resource information of the PCS to the PCLS through a return message of the joining request after the distribution of the voice channel of the telephone network telephone user of the calling party is completed.
Step 202: after receiving the call request, the floor telephone service server creates a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after distributing a voice channel for a telephone network telephone user as the calling party or the called party, and the voice channel management server sends the voice channel to the floor telephone service server;
the resource information of the voice room server includes an address, a control command port, a voice data port, and the like of the voice room server.
When the calling party is a network telephone subscriber and the called party is a telephone network telephone subscriber, the PCMS sends the resource information of the PCS to the PCLS through a call request.
When the calling party is a telephone network telephone user and the called party is a telephone network user, the PCMS sends the resource information of the PCS to the PCLS through a return message of the adding request sent by the PCLS.
The PCLS establishes a data transmission channel for transmitting voice data between a calling party and a called party according to the resource information of the voice room server, and comprises the following steps: the PCLS establishes a control link connection with a control command port of the PCS, monitors the working state of the PCS, establishes a data link connection with a voice data port of the PCS, monitors voice data of the PCS, establishes a data link connection with a call server providing call service for a telephone network telephone, and monitors voice data of the call server.
Step 203: the floor telephone service server transmits voice data between the calling party and the called party through a data transmission channel.
The invention discloses a floor telephone service server which transmits voice data between a calling party and a called party through a data transmission channel, comprising:
the method comprises the steps that after a floor telephone service server receives network telephone coded data sent by a network telephone user, the network telephone coded data are decoded to obtain network telephone original PCM data, the network telephone original PCM data are placed in a receiving frame list of a network telephone voice transmission protocol, network telephone original PCM data capable of resampling a frame of the network telephone original PCM data are taken out according to a telephone network telephone sampling rate, the taken network telephone original PCM data are resampled according to the telephone network telephone sampling rate to obtain telephone network telephone original PCM data, the obtained telephone network telephone original PCM data are coded through the telephone network telephone voice transmission protocol to obtain telephone network telephone coded data, and the telephone network coded data are placed in a sending frame queue of the telephone network voice transmission protocol.
The method comprises the steps that after telephone network telephone coded data sent by a telephone network user are received by a floor telephone service server, the telephone network telephone original PCM data are obtained through decoding, the telephone network telephone original PCM data are placed in a receiving frame list of a telephone network telephone voice transmission protocol, when one frame of the telephone network original PCM data can be resampled according to the data quantity in the telephone network sampling rate judgment list, the telephone network original PCM data are taken out of the receiving frame list of the telephone network voice transmission protocol, the telephone network original PCM data are resampled according to the telephone network sampling rate, the telephone network original PCM data are obtained, the obtained telephone network original PCM data are coded through the telephone network voice transmission protocol, network telephone coded data are obtained, and the network telephone coded data are stored in a sending frame queue of the telephone network voice transmission protocol.
The PCM data is the original speech sample data.
The following description will take an example in which the voice transmission protocol over internet phone is SILK and the voice transmission protocol over internet phone is G729. Although voice data is transmitted based on the RTP protocol, network telephony users use the non-standard RTP protocol, and telephone network telephony uses the standard RTP protocol.
SILK protocol:
duration of each frame: 40ms
Sampling rate: 16k
Number of bytes corresponding to 40 ms: 40ms 16K 2 1280byte
Protocol G729:
duration of each frame: 20ms
Sampling rate: 8k
The number of bytes corresponding to 20 ms: 20ms 8k 2 320byte
(1) silk- > g 729: obtaining SILK frame data through a non-standard RTP protocol, decoding to obtain PCM data of 1280 bytes, putting the PCM data into a SILK receiving frame list, then taking out 640 bytes, converting the 16k sampling rate into 8k by utilizing a resampling technology to obtain PCM data of 320 bytes, finally, coding the data of 320 bytes through G729 to obtain G729 data of 10 bytes, and putting the G729 data into a sending frame list. In order to improve transmission efficiency, 2 frames of G729 data are obtained by conversion each time, and one RTP data packet is sent.
g729- > silk: obtaining G729 frame data through a standard RTP protocol, decoding to obtain 320-byte PCM data, putting the 320-byte PCM data into a G729 receiving frame list, resampling to 16k from 8k when 640-byte data exists in the list to obtain 1280-byte PCM data, then carrying out silk coding on 1280-byte to obtain 100-byte data, and storing the 100-byte data into a silk sending frame list.
And when the query result shows that the talk sending frame list and the g729 sending frame list have data, the data can be sent to a target user through a corresponding protocol.
Further, the resource information of the PCS is obtained from a call request sent by the PCMS when the calling party is a network telephone user and the called party is a telephone network telephone user, the PCMS allocates a virtual user ID for the called party after the calling party initiates a call, requests the PCS to allocate a voice channel for the called party, and carries the resource information returned by the PCS after allocating the voice channel for the called party in the call request to send to the PCLS; or,
when the calling party is a telephone network telephone user and the called party is a telephone network user, the resource information of the PCS is obtained from a return message sent by the PCMS by the PCLS, and after receiving a call request, the PCLS sends a joining request to the PCMS so that the PCMS requests the PCS to distribute a voice channel for the calling party, and carries the resource information returned after the PCS distributes the voice channel for the called party in the return message and sends the resource information to the PCLS.
Example 1:
the network telephone user in the invention can be the network telephone user in the network chat room, and can also be the soft terminal user with the network telephone function. The method of the present invention will be described below by taking an example in which a network telephone subscriber in a network chat room joins the chat room as a calling telephone network telephone subscriber to perform voice communication.
In this embodiment, a user of a network telephone first needs to send a request to a PCMS to request establishment of a chat room, the PCMS interacts with a PCS to complete establishment of the chat room, and processes a speech request of the user in the chat room, and the PCS broadcasts a voice to all users in the chat room.
PCLS receives the call request of the network telephone user in the chat room, and establishes call connection with the telephone network telephone user, and establishes data transmission channel for each telephone network telephone user. Since the encoding and transmission protocols of voice data of the network telephone are not consistent with those of the telephone network telephone, the PCLS needs to complete the conversion work of the voice data.
The call server at telephone side of telephone network can utilize hardware board card to establish data channel to implement user access, and in order to reduce call charge, it can select PSTN to access mobile communication network. The hardware board card processes VOIP connection and the conversion of the number 7 signaling of the mobile network.
The following describes the process of creating chat room by network telephone user and joining chat room by other network users.
The network telephone user (homeowner) sends a request to create a chat room to the PCMS, which stores user information and room information, etc.
PCMS requests PCS to establish chat room and voice channel resources, PCS returns relevant information to PCMS, and PCMS returns PCS chat room information to a homeowner. The homeowner joins the room.
Another network telephone user (chat room member) sends a request to the PCMS to join the room. The PCMS joins the user to the chat room of the PCS.
The members of the chat room send speaking requests to PCMS, PCMS requests PCS to allocate voice channel resources in the joined chat room for the users, and the voice channel resources are returned to the members of the chat room. The members of the chat room can make voice calls in the chat room.
PCS receives the voice data of the members in the chat room, performs sound mixing processing on the voice data of all the users in the chat room, and then distributes the voice data to other users in the chat room.
As shown in fig. 3, the method for calling a telephone network by a network telephone of the present invention comprises:
step 301: the network telephone user initiates a call, sends a request for entering the chat room to the PCMS, invites the telephone network telephone user to enter the chat room, and the request for entering the chat room carries the telephone number of the telephone network telephone of the called party;
the user of the calling party's network telephone in this embodiment may be the homeowner of the chat room.
Step 302: PCMS distributes virtual user ID for telephone network telephone user of called party and updates personnel information of chat room where calling party is located;
step 303: PCMS sends a join request for joining the chat room to PCS;
step 304: PCS establishes a voice channel for the telephone network telephone user of the called party and returns resource information to PCMS through adding a success message;
the resource information includes: channel ID, IP address of PCS, control command port of PCS and voice data port of PCS.
Step 305: after receiving the join success message, the PCMS sends a request for applying for speaking state conversion to the PCS;
step 306: PCS updates the state of the voice channel of the user and returns an update success message;
after the PCS allocates voice channels for the telephone users of the telephone network of the called party, the PCMS modifies the state of the users into the state of being capable of speaking.
Step 307: after the user state information is updated, the PCMS broadcasts the speaking state of the user to all users in the room;
step 308: PCMS sends a call request to PCLS, wherein the call request carries the resource information of PCS;
step 309: after PCLS receives the call request, according to the resource information of PCS, a data transmission channel for transmitting voice data between the calling party and the called party is created and allocated to the voice processing thread, meanwhile, call information is created, and a timeout timer is set
The timeout timer may be set to 1 minute, for example.
The call request includes a user ID, IP of the PCS, a control command port of the PCS, a voice data port of the PCS and the like. PCLS establishes a TCP connection with the control command port of PCS, mainly sends a heartbeat command, monitors whether PCS works normally, simultaneously PCLS distributes two idle ports, establishes 2 UDP connections, monitors the voice data of the call server and monitors the voice data of PCS, and sends the voice data of the call server to the voice data port of PCS after receiving the voice data of the call server and carrying out code conversion.
Step 310: PCLS sends an invitation message to a call server;
for example, PCLS may send an INVITE message to the call server using SIP protocol.
Step 311: PCLS completes the call connection between the calling party and the called party;
after receiving the invite message, the call server responds with the status code 100, 180 and the called party ring. PCLS calls back the function and informs PCMS of the current state. The call server responds with a status code 200 that the called party has answered. The PCLS voice data can be communicated.
Step 312: PCLS transmits voice data between the calling party and the called party through a data transmission channel.
As shown in fig. 4, the process of hanging up a call for a telephone network user in this embodiment includes:
step 401: receiving a hangup request sent by a call server by a PCLS;
step 402: a PCLS callback function destroys a data transmission channel;
step 403: PCLS informs PCMS of the current state;
step 404: PCMS sends a clear request to PCS to request to clear a voice channel;
step 405: after the PCS clears the voice channel, a response message of successful clearing is returned to the PCMS;
step 406: after receiving a clearing success response message sent by the PCS, the PCMS broadcasts the clearing success response message to all users in the room;
step 407: the user in the room clears the user information of the telephone network telephone;
step 408: PCLS clears the calling subscriber information.
Example 2:
the method of the present invention will be described below by taking the telephone network telephone subscriber as an example of a telephone network telephone subscriber who makes a call to a network chat room by a caller to perform voice communication.
As shown in fig. 5, the method for calling the internet phone by the telephone network phone of the present invention includes:
step 501: the telephone network telephone obtains the called number, dials the called number, and connects the call server;
the called number dialed by the telephone of the telephone network may be a number of the PSTN network.
Step 502: the call server plays the prompt tone, and requires the telephone network telephone user to input the ID of the chat room;
RemindChannel_state：
remind _ state _ input _ ID entry chat room ID bound with # number key
Remind _ state _ no _ id chat room does not exist
Remind _ state _ join entry into chat room
Ending of Remind _ State _ over
Step 503: after the telephone network telephone user inputs the chat room ID, the call server sends a call request to the PCLS;
the PCLS is required to register with the call server or add a configuration file of the PCLS address at the call server.
Step 504: responding 100 and 180 ringing messages to a calling server by the PCLS, simultaneously creating calling information, and setting an overtime timer to be 1 minute;
here, the call information is stored once, and when there are a plurality of calls, each call corresponds to its own call information. When the call state changes, the PCLS needs to know which call has changed. Meanwhile, after the call is established, any party needs to hang up the call, and the PCLS needs to inquire which call link is hung up according to the call ID.
Step 505: PCLS sends a join request message to PCMS;
step 506: PCMS checks whether chat room ID exists;
step 507: PCMS sends a join request for joining the chat room to PCS;
step 508: PCS establishes a voice channel for the telephone network telephone user of the called party and returns resource information to PCMS through adding a success message;
the resource information includes: channel ID, IP address of PCS, control command port of PCS and voice data port of PCS.
Step 509: after receiving the join success message, the PCMS sends a request for applying for speaking state conversion to the PCS;
step 510: PCS updates the state of the voice channel of the user and returns an update success message;
after the PCS allocates voice channels for the telephone users of the telephone network of the called party, the PCMS modifies the state of the users into the state of being capable of speaking.
Step 511: after the user state information is updated, the PCMS broadcasts the speaking state of the user to all users in the room;
step 512: PCMS returns the resource information of PCS to PCLS;
step 513: PCLS receives the response message returned by PCMS, creates a voice transmission channel according to the resource information of PCS, and then responds to the call server 200OK message;
step 514: the call server sends an ACK message to the PCLS, and the PCLS sends a call state change message to the PCMS;
both the call server and the PCLS need to set a timeout clock, and send a BYE message to the telephone network phone user if the call times out.
Step 515: PCLS transmits voice data between the calling party and the called party through a data transmission channel.
As shown in fig. 6, the process of hanging up the call for the terminal network telephone user in this embodiment includes:
step 601: the network telephone user sends a call termination request to the PCMS;
step 602: the PCMS sends a hang-up request to the PCLS, and the PCLS receives the hang-up request (LGS _ PCLS _ STOP _ RQ) sent by the PCMS;
step 603: PCLS sends BYE command to the call server;
step 604: the call server releases the voice transmission channel of the telephone network telephone and returns 200 OK;
step 605: PCLS callback function, destroying the voice transmission channel information and informing PCMS of the current state;
step 606: PCMS sends a clearing request to PCS to request to clear voice channel resources;
step 607: PCS returns a clearing success message to PCMS;
step 608: PCMS receives the successful message of clearing PCS and broadcasts the message to all user clients in the room;
step 609: the client clears this user information.
Step 610: PCLS clears the calling subscriber information.
As shown in fig. 7, the present invention also provides a ground telephone service server, including: receiving unit, passageway establishment unit and data transmission unit, wherein:
the receiving unit is used for receiving a call request initiated by a calling party, and when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of a telephone network, the called party is the telephone subscriber of the telephone network;
the channel establishing unit is used for establishing a data transmission channel for transmitting voice data between a calling party and a called party according to the resource information of the voice room server after the message receiving unit receives the call request, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after allocating a voice channel for a telephone network telephone user as the calling party or the called party, and the channel management server sends the voice channel to the floor telephone service server;
and the data transmission unit is used for transmitting voice data between the calling party and the called party through the data transmission channel.
Further, the resource information of the voice room server comprises an address, a control command port and a voice data port of the voice room server;
the channel establishing unit establishes a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, and comprises the following steps: the method comprises the steps of establishing a control link connection with a control command port of a voice room server, monitoring the working state of the voice room server, establishing a data link connection with a voice data port of the voice room server, monitoring voice data of the voice room server, establishing a data link connection with a call server providing a call service for a telephone network telephone, and monitoring the voice data of the call server.
Further, the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, including:
after receiving the network telephone coding data sent by the network telephone user, decoding to obtain network telephone original PCM data, putting the network telephone original PCM data into a receiving frame list of a network telephone voice transmission protocol, taking out the network telephone original PCM data capable of resampling a frame of network telephone original PCM data according to a network telephone sampling rate, resampling the taken out network telephone original PCM data according to the network telephone sampling rate to obtain the network telephone original PCM data, coding the obtained network telephone original PCM data through the network telephone voice transmission protocol to obtain the network telephone coding data, and putting the network telephone coding data into a sending frame queue of the network telephone voice transmission protocol.
Further, the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, including:
after receiving the telephone network telephone coding data sent by the telephone network user, decoding to obtain the original PCM data of the telephone network, putting the original PCM data into a receiving frame list of the telephone network voice transmission protocol, when the data quantity in the list can be resampled according to the sampling rate of the telephone network, taking the original PCM data of the telephone network from the receiving frame list of the telephone network voice transmission protocol, resampling the taken original PCM data of the telephone network according to the sampling rate of the telephone network to obtain the original PCM data of the telephone network, coding the obtained original PCM data of the telephone network by the telephone network voice transmission protocol to obtain the coded data of the telephone network, and storing the coded data into a sending frame queue of the telephone network voice transmission protocol.
Further, the resource information of the voice room server is obtained by the channel establishing unit from the call request sent by the channel management server when the calling party is a network telephone user and the called party is a telephone network telephone user, the channel management server allocates a virtual user ID to the called party after the calling party initiates a call, requests the voice room server to allocate a voice channel to the called party, and sends the resource information returned by the voice room server after allocating the voice channel to the called party to the receiving unit together with the call request; or,
the resource information of the voice room server is obtained from the return message sent by the channel management server by the channel establishing unit when the calling party is a telephone network user and the called party is a telephone network user, the receiving unit sends a joining request to the channel management server after receiving the calling request, so that the channel management server requests the voice room server to allocate a voice channel for the calling party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the return message and sends the resource information to the receiving unit.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A method for a voice over internet protocol telephone to communicate with a telephone network, comprising:
the landing telephone service server receives a call request initiated by a calling party, wherein when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of a telephone network, the called party is the telephone subscriber of the telephone network;
after receiving the call request, the floor telephone service server creates a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after distributing a voice channel for a telephone network telephone user as the calling party or the called party, and the channel management server sends the voice channel to the floor telephone service server;
and the floor telephone service server transmits voice data between the calling party and the called party through the data transmission channel.
2. The method of claim 1, wherein:
the resource information of the voice room server comprises an address, a control command port and a voice data port of the voice room server;
the creating of the data transmission channel for transmitting the voice data between the calling party and the called party according to the resource information of the voice room server includes: the floor telephone service server establishes a control link connection with a control command port of the voice room server, monitors the working state of the voice room server, establishes a data link connection with a voice data port of the voice room server, monitors voice data of the voice room server, establishes a data link connection with a call server providing a call service for a telephone network telephone, and monitors voice data of the call server.
3. The method of claim 1 or 2, wherein the ground telephone service server transmits voice data between the calling party and the called party through the data transmission channel, comprising:
the floor telephone service server decodes the network telephone coded data sent by the network telephone user to obtain the original PCM data of the network telephone, puts the original PCM data into a receiving frame list of a network telephone voice transmission protocol, extracts the original PCM data of the network telephone capable of resampling a frame of original PCM data of the telephone network according to the telephone network sampling rate, resamples the extracted original PCM data of the network telephone according to the telephone network sampling rate to obtain the original PCM data of the telephone network telephone, codes the obtained original PCM data of the telephone network telephone through the telephone network voice transmission protocol to obtain the coded data of the telephone network telephone, and puts the coded data into a sending frame queue of the telephone network voice transmission protocol.
4. The method of claim 1 or 2, wherein the ground telephone service server transmits voice data between the calling party and the called party through the data transmission channel, comprising:
the floor telephone service server decodes to obtain original PCM data of telephone network telephones after receiving the coded data of telephone network telephones sent by a telephone network telephone user, puts the original PCM data into a receiving frame list of a telephone network telephone voice transmission protocol, when the data quantity in the list can be resampled according to the sampling rate of the telephone network, takes the original PCM data of the telephone network telephones out of the receiving frame list of the telephone network voice transmission protocol, resamples the taken original PCM data of the telephone network telephones according to the sampling rate of the telephone network to obtain the original PCM data of the telephone network, codes the obtained original PCM data of the telephone network through the telephone network voice transmission protocol to obtain the coded data of the telephone network, and stores the coded data into a sending frame queue of the telephone network voice transmission protocol.
5. The method according to claim 1 or 2, characterized in that:
the resource information of the voice room server is obtained by the floor telephone service server from the call request sent by the channel management server when the calling party is a network telephone user and the called party is a telephone network telephone user, the channel management server allocates a virtual user ID for the called party after the calling party initiates a call, requests the voice room server to allocate a voice channel for the called party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the call request to send to the floor telephone service server; or,
and the floor telephone service server sends a joining request to the channel management server after receiving the call request, so that the channel management server requests the voice room server to allocate a voice channel for the calling party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the return message and sends the resource information to the floor telephone service server.
6. A floor telephone service server, comprising: receiving unit, passageway establishment unit and data transmission unit, wherein:
the receiving unit is used for receiving a call request initiated by a calling party, and when the calling party is a network telephone user, a called party is a telephone network telephone user; when the calling party is a telephone subscriber of a telephone network, the called party is the telephone subscriber of the telephone network;
the channel establishing unit is used for establishing a data transmission channel for transmitting voice data between a calling party and a called party according to the resource information of the voice room server after the receiving unit receives the call request, wherein the resource information of the voice room server is that the voice room server returns to the channel management server after distributing a voice channel for a telephone network telephone user as the calling party or the called party, and the channel management server sends the voice channel to the floor telephone service server;
and the data transmission unit is used for transmitting voice data between the calling party and the called party through the data transmission channel.
7. A floor-based telephone service server as claimed in claim 6, wherein:
the resource information of the voice room server comprises an address, a control command port and a voice data port of the voice room server;
the channel establishing unit establishes a data transmission channel for transmitting voice data between the calling party and the called party according to the resource information of the voice room server, and comprises the following steps: the method comprises the steps of establishing a control link connection with a control command port of a voice room server, monitoring the working state of the voice room server, establishing a data link connection with a voice data port of the voice room server, monitoring voice data of the voice room server, establishing a data link connection with a call server providing a call service for a telephone network telephone, and monitoring the voice data of the call server.
8. A floor telephone service server as claimed in claim 6 or 7, wherein the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, comprising:
after receiving the network telephone coding data sent by the network telephone user, decoding to obtain network telephone original PCM data, putting the network telephone original PCM data into a receiving frame list of a network telephone voice transmission protocol, taking out the network telephone original PCM data capable of resampling a frame of network telephone original PCM data according to a network telephone sampling rate, resampling the taken out network telephone original PCM data according to the network telephone sampling rate to obtain the network telephone original PCM data, coding the obtained network telephone original PCM data through the network telephone voice transmission protocol to obtain the network telephone coding data, and putting the network telephone coding data into a sending frame queue of the network telephone voice transmission protocol.
9. A floor telephone service server as claimed in claim 6 or 7, wherein the data transmission unit transmits voice data between the calling party and the called party through the data transmission channel, comprising:
after receiving the telephone network telephone coding data sent by the telephone network user, decoding to obtain the original PCM data of the telephone network, putting the original PCM data into a receiving frame list of the telephone network voice transmission protocol, when the data quantity in the list can be resampled according to the sampling rate of the telephone network, taking the original PCM data of the telephone network from the receiving frame list of the telephone network voice transmission protocol, resampling the taken original PCM data of the telephone network according to the sampling rate of the telephone network to obtain the original PCM data of the telephone network, coding the obtained original PCM data of the telephone network by the telephone network voice transmission protocol to obtain the coded data of the telephone network, and storing the coded data into a sending frame queue of the telephone network voice transmission protocol.
10. A floor-based telephone service server as claimed in claim 6 or 7, wherein:
the resource information of the voice room server is obtained by the channel establishing unit from the call request sent by the channel management server when the calling party is a network telephone user and the called party is a telephone network telephone user, the channel management server allocates a virtual user ID for the called party after the calling party initiates a call, requests the voice room server to allocate a voice channel for the called party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the call request to send to the receiving unit; or,
the resource information of the voice room server is obtained from the return message sent by the channel management server by the channel establishing unit when the calling party is a telephone network user and the called party is a telephone network user, the receiving unit sends a joining request to the channel management server after receiving the calling request, so that the channel management server requests the voice room server to allocate a voice channel for the calling party, and carries the resource information returned by the voice room server after allocating the voice channel for the called party in the return message and sends the resource information to the receiving unit.
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| CN118138572B (en) * | 2024-05-07 | 2024-08-27 | 宁波菊风系统软件有限公司 | Method, device, equipment and program product for transmitting monitoring video |
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