CN1960408B - Multimedia responsion method for interactive multimedia response system - Google Patents
Multimedia responsion method for interactive multimedia response system Download PDFInfo
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Abstract
The invention comprises: user end (UE) and interactive multimedia answering server respectively login the H.323 gatekeeper; when UE dials the special service number of the interactive multimedia answering server, the H.323 gatekeeper leads the call to the interactive multimedia answering server; the UE inserts a certain item serial number inputted with keyboard or selected from the prompt image into a real-time payload protocol packet and sends it to the interactive multimedia answering server; the interactive multimedia server extracts the item inputted with keyboard or selected from the prompt image from the real-time payload stream, and provides a further prompt or directly provides relevant content.
Description
Technical field
The present invention relates to field of multimedia communication, relate in particular to a kind of interactive multimedia answer method that is used for the interactive multimedia answering system.By method of the present invention, can be to providing the value-added service of interactive multimedia application class based on the various communication terminals of agreement H.323.
Background technology
Existing H.323 network and terminal system, present video call and the session control function of only supporting basic point-to-point or putting multiple spot, that is to say, can only set up video call between a user terminal and another user terminal or between a user terminal and a plurality of user terminal, set up communication, and not have standards and norms for the automatic voice responding centring system.The function of interactive multimedia response center is to receive from service request from user, utilizes menu switching, text voice conversion to provide feedback to the user.That is to say, H.323 can't utilize interactive multimedia response center (IMR) in network and the terminal system, can't satisfy by packet network H.323 and terminal H.323 and carry out the functional requirement that automatic multimedia interactive is replied.
The technology that on the contrary has a kind of interactive voice response center (IVR) in the field of audio call at present, be by a cover IVR system, utilize reception of dual tone multi-frequency dtmf signal and speech recognition to receive from service request from user, the IVR system utilizes menu switching, text voice conversion to provide feedback to the user.The terminal that can serve mainly is the telephone type terminal based on circuit-switched network such as landline telephone and mobile phone.Because the IVR system can only provide voice as response mode, media mode is comparatively single, and user terminal does not possess and records and playing function, makes many users to write down some Useful Informations by paper and pen, and the user uses professional convenient degree further to improve.Simultaneously the IVR system can not be the Terminal Service such as video telephone based on H.323 packet switching network, and it can only be used in the switching network based on circuit of voice, can not be used for H.323 video communication network.So, how this IVR is upgraded to the IMR that can serve in video communication network H.323, become a problem anxious to be solved in the prior art.
The main limitation point of IVR technology is: (1) terminal station is sex-limited, can not be at providing call center services based on phonovision user H.323; (2) medium limitation, IVR is descending only to provide simple voice mode that service is provided to the user, does not support text, picture, video and the page; (3) user interactions capability limitations, user uplink is mutual to the interactive mode support voice of IVR, does not support picture navigation.By on the interactive responses server, introducing mature auxiliary system in the prior art, comprise speech recognition system (4001), text-to-speech system (4002), Vxml (Voice XML) system (4003), Database Systems (4004), can finish the identification of voice, obtain the meaning of one's words of voice, text-converted is become voice, obtaining and format internet information is specified format, and IVR is descending, and to provide the replying of text, picture, video and the page except voice to the user be easy.Therefore, can receive user key-press, page interactive information from terminal H.323, support the mutual and picture navigation of button, (3) above promptly thus point is IVR to be upgraded to IMR realize the interactive multimedia answering system in the video communication network H.323 and the key of method.In addition, the interactive multimedia that wants to realize is replied, and obtains the interaction capabilities of user terminal, and to select interactive mode adaptively according to this interaction capabilities also be needs.
Summary of the invention
Therefore, an object of the present invention is and to realize IVR is upgraded to IMR by receiving user key-press interactive information and User Page interactive information, thereby realize interactive multimedia answering system and method in the video communication network H.323 from terminal H.323.
Further purpose of the present invention provides interactive multimedia answering system and the method in the further improved H.323 video communication network of a kind of interaction capabilities information that can obtain terminal H.323 automatically, can be adaptively selected suitable feedback system or feedback system combination.
Solution of the present invention is: a kind of interactive multimedia answer method that is used for the interactive multimedia answering system, described interactive multimedia answering system comprises H.323 broadband packet, user terminal, H.323 gatekeeper and interactive multimedia answering server, described interactive multimedia answer method comprises: user terminal, the interactive multimedia answering server is registered to gatekeeper H.323 respectively, when user terminal was dialed the special service number that belongs to the interactive multimedia answering server, H.323 the gatekeeper directed into the interactive multimedia answering server with the calling of user terminal; After user terminal obtains the prompting of voice, picture or video from the interactive multimedia answering server, the clauses and subclauses that user's button or user selected on hint image are encoded to certain numerical value, this numerical value is inserted in the real-time payload protocol package is transferred to the interactive multimedia answering server; The interactive multimedia answering server parses described user's button or the clauses and subclauses that the user selects at hint image from the real-time payload stream that receives, further prompting is provided or corresponding contents directly is provided.
Wherein, the Capability field of protocol message is H.245 expanded, made it comprise the terminal capability that is combined with text, picture, the page, spreads and put; After the calling of user terminal was guided the interactive multimedia answering server, the interactive multimedia answering server sent the above-mentioned H.245 agreement apply for information of having expanded the Capability field to user terminal and inquires.After user terminal is received the H.245 protocol message of having expanded the Capability field, in having expanded the H.245 agreement response message of Capability field, reply according to the ability of oneself.
Preferably, describedly be combined with text, picture, the page, the terminal capability of putting that spreads comprises text encoding and decoding disposal ability, picture coding/decoding capability, the exoergic power of spreading, page tenability.
Wherein, the interactive multimedia answering server after receiving the above-mentioned H.245 agreement response message of having expanded the Capability field, according to the terminal capability that in this response message, comprises, the definite response mode.
Preferably, the process of described definite response mode is as follows: when ability of user terminal was voice, the definite response mode was voice; When ability of user terminal was voice+text, the definite response mode was voice+message; When ability of user terminal was the voice+text+picture+page, the definite response mode was voice+WEB; When ability of user terminal is voice+spread when putting, the definite response mode is voice+video.
The present invention is encoded to certain numerical value by the clauses and subclauses that button or user with the user select on hint image, this numerical value is inserted in the real-time payload protocol package is transferred to the interactive multimedia answering server, and on the other hand, the interactive multimedia answering server parses described user's button or the clauses and subclauses that the user selects at hint image from the real-time payload stream that receives, thereby realized receiving user key-press interactive information and User Page interactive information from terminal H.323, and then realized interactive multimedia answering system and method in the video communication network H.323 having solved technical problem to be solved by this invention.
In addition, because the present invention expands the Capability field of protocol message H.245, it is comprised be combined with text, picture, the page, the terminal capability that spreads and put, the interactive multimedia answering server sends the above-mentioned H.245 agreement apply for information of having expanded the Capability field to user terminal and inquires, ability according to oneself is replied in having expanded the H.245 agreement response message of Capability field, by such one to the terminal capability inquiry and the system of replying, just realized a kind ofly improvedly can self adaptation selecting to reply improved multimedia responsion system and method with feedback system according to ability of user terminal.
Description of drawings
Fig. 1 is of the present invention based on the interactive multimedia answering system structure chart of agreement H.323.
Fig. 2 is the assembly assumption diagram of IMR server of the present invention.
Fig. 3 is the format chart according to the RTP bag of encapsulation key-press event of the present invention.
Fig. 4 is the format chart that encapsulation user according to the present invention selects the RTP of the clauses and subclauses of the page to wrap.
Embodiment
Based on the interactive multimedia answering system of agreement H.323 as shown in Figure 1.
Interactive multimedia answering system shown in Figure 1 comprises:
H.323 broadband packet (2001) based on ICP/IP protocol, can be carried the H.323 packet network of multimedia service.
User terminal (100), this user terminal may be a legacy user terminals, being telephone terminal, also may be the user terminal (100) that has visual business, comprises based on H.323 radio phone terminal (1001,1002) and supports H.323 broadband mobile phone (1003,100N).
Interactive multimedia answering server (3002), be responsible for finishing multimedia call automatic connection, reply logical process, speech play and mutual with the rear end auxiliary system.Its ivr server by prior art passes through to connect speech recognition system (4001), text-to-speech system (4002), Vxml system (4003) and Database Systems (4004) extend to the support picture, webpage and obtaining simply, certainly, in order to support following inventive point of the present invention, be about to user's button or the clauses and subclauses that the user selects and be encoded to certain numerical value on hint image, this numerical value is inserted into transmission in the RTP bag, in IMR server (3002), must support this support to the Real-time Transport Protocol bag that comprised coding key and page entries value, this can realize supporting by programming simply, this is that those skilled in the art know easily, and this server also will support the present invention to the H.245 expansion of the Capability field of protocol message, it is comprised be combined with text, picture, the page, the terminal capability that spreads and put, this also can obtain by those skilled in the art's programming.
H.323 gatekeeper (3001) is responsible for the registration of user terminal (100) and interactive multimedia answering server (3002), also is responsible for Bandwidth Management, call admission and another name mapping addressing function.
Speech recognition system (4001), possesses automatic speech recognition (ASR) function, finish automatic speech recognition, as the user with call processing server reciprocal process in used voice as interactive mode, then call processing server calls RBT ASR, obtain the meaning of one's words of user speech in real time, carry out next step and analyze and handle.
Text-to-speech system (4002), possess Text To Speech conversion (TTS) function, finish the auto-conversion function of Text To Speech, respond calling of call processing server, the text-converted of appointment is become voice document, call for call processing server in real time and play to the user.
Vxml system (4003) finishes internet information and concludes and format function, according to the user interactions request, utilizes the VXML language inquiry, obtains and formats internet information and be specified format, realizes playing to user's voice by TTS again.
Database Systems (4004), main storaging user data and business datum are as text message, VXML file, video file, recording file etc.
Wherein, it is shown in Figure 2 that interactive multimedia is replied (IMR) server system box:
It is as follows that interactive multimedia is replied each assembly function of (IMR) server:
Systems management component (30022):
Mainly finish service management and configuration feature, as functions such as system configuration, business authentication, service subscription, service billings to the IMR system.
Descending medium processing components (30025):
Mainly handle from generation, broadcast and the transmitting function of IMR system to terminal use's feedback medium.As voice suggestion, message notifying, picture prompting, visual prompts being provided to the user or providing feedback with compound mode.
Up medium processing components (30024):
Mainly finish user terminal to the Media Stream of IMR system and reception, the explanation function of control flows, as the voice that receive user side, video, page click etc.
Call out control assembly (30023):
Mainly finish call treatment, CCF between user and the IMR system, as line up, continue, release etc.
Service management assembly (30021):
The logic control of main operation interactive menu promptly according to the judged result of user interactions, is controlled operation flow and feedback system.
Said modules is to be added to by speech business by the corresponding assembly of ISR to support picture, video and webpage basically, is realized by programming by those skilled in the art.Realize by also programming following RTP is sealed support that the dress content receives and to the support of the reception of the H.245 protocol message of expansion.These can realize by programming, below of the present invention the focusing on to the button of RTP bag content encapsulation coding and page info and the relevant capable field of adding terminal in the expansion of agreement H.245.
For supporting to obtain the terminal interaction ability information automatically in the IMR server, and select the function of respective feedback/response mode or combination automatically, video telephone and broadband mobile phone terminal, should support the H.245 expansion of agreement by programming, when connecting, can exchange the ability information that it is handled voice, text, the page, video, Streaming Media with server.
Carrying out concrete workflow below describes:
1) user terminal (100) start is registered to H.323 gatekeeper (3001) together with terminal address, terminal alias and number
2) IMR server (3002) also is registered to H.323 gatekeeper (3001) with system address, another name and serial special service number;
3) user terminal (100) is dialed certain special service number (as 16800008), the call request of terminal is resolved by gatekeeper H.323, H.323 the gatekeeper can parse this shortcode and belongs to IMR (Interactive Multimedia Response) server (3002), then guides terminal call to IMR (Interactive Multimedia Response) server (3002);
4) IMR server (3002) receives the call request of terminal, ranks automatically or connects;
5) after IMR server (3002) is connected terminal, obtain the professional ability of terminal automatically, this step is optionally, is a kind of of the present invention perfect.It is mainly realized by the content of capabilities exchange in the expansion H.245, has now and stipulated mainly that H.245 the ability that is exchanged comprises:
(1) protocol processes ability: support H.323 in serial protocols and version etc.
(2) audio coding decoding ability: as G.711, G.728, and G.729, AMR etc.
(3) coding and decoding video ability: as H.261, H.263, H.263+, H.264, IS11172 etc.
(4) data capability: as T.120, T.38, V.42bis etc.
(5) cryptographic capabilities: as antiSpamAlgorithm etc.
(6) user interactions ability: as basicString, iA5String, dtmf etc.
(7) meeting control ability: as chairman control, MVC etc. H.230
(8) network capabilities: the bit rate of supporting as maximum etc.
(9) voice frequency telephone event handling ability: as dynamic RTP encapsulated telephone incident etc.
And the capabilities exchange content that need further expand comprises:
Text encoding and decoding disposal ability: as GB2312, Unicode, UTF-8 etc.
The picture coding/decoding capability: as JPG, BMP, GIF etc.
The exoergic power of spreading: as rtsp, MMS, MPEG-4 etc.
Page tenability: as HTTP1.0, HTTP1.1 etc.
The IMR server is sent out about the capabilities request message of support to four class abilities of expansion to user terminal, message is called TerminalCapabilitySet, type of message is Request, and this message utilization is extended for Capability field in the former H.245 message and comprises that ability obtains in top 4.The Capability field is as follows in the former H.245 message:
Capability::＝CHOICE
{
nonStandard NonStandardParameter，
reeeiveVideoCapabilityVideoCapability，
transmitVideoCapability VideoCapability，
receiveAndTransmitVideoCapabilityVideoCapability，
receiveAudioCapability AudioCapability，
transmitAudioCapability AudioCapability，
receiveAndTransmitAudioCapability AudioCapability，
receiveDataApplicationCapability
DataApplicationCapability，
transmitDataApplicationCapability
DataApplicationCapability，
receiveAndTransmitDataApplicationCapability
DataApplicationCapability，
h233EncryptionTransmitCapability BOOLEAN，
h233EncryptionReceiveCapability SEQUENCE
{
h233IVResponseTime INTEGER(0..255)，--units
milliseconds
}，
...，
conferenceCapability ConferenceCapability
}
Expansion back form is as follows:
Capability::＝CHOICE
{
nonStandard NonStandardParameter，
receiveVideoCapabilityVideoCapability，
transmitVideoCapability VideoCapability，
receiveAndTransmitVideoCapabilityVideoCapability，
receiveAudioCapability AudioCapability，
transmitAudioCapability AudioCapability，
receiveAndTransmitAudioCapability AudioCapability，
receiveDataApplicationCapability
DataApplicationCapability，
transmitDataApplicationCapability
DataApplicationCapability，
receiveAndTransmitDataApplicationCapability
DataApplicationCapability，
PictureCapability ImageCapability，
StreamingCapability StreamingCapability，
TextCapability TextCapability，
WebCapability WebCapability，
h233EncryptionTransmitCapability BOOLEAN，
h233EncryptionReceiveCapability SEQUENCE
{
h233IVResponseTime INTEGER(0..255)，--units
milliseconds
}，
...，
conferenceCapability ConferenceCapability
}
In the part of above-mentioned band underscore,
ImageCapability::＝CHOICE
{
nonStandard NonStandardParameter，
JpgCapabilty JpgCapabilty，
GifCapabilty GifCapabilty，
BmpCapabilty BmpCapabilty，
}
StreamingCapability::＝CHOICE
{
nonStandard NonStandardParameter，
mmsCapabilty mmsCapabilty，
rtspCapabilty rtspCapabilty，
mpeg4Capabilty mpeg4Capabilty，
}
TextCapability::＝CHOICE
{
nonStandard NonStandardParameter，
GB2312Capabilty GB2312Capabilty，
Unicode Capabilty Unicode Capabilty，
UTF8Capabilty UTF8Capabilty，
}
WebCapability::＝CHOICE
{
nonStandard NonStandardParameter，
http10Capabilty http10Capabilty，
http11Capabilty http11Capabilty，
}
After user terminal (100) is received the H.245 protocol message of having expanded the Capability field, in having expanded the H.245 agreement response message of Capability field, reply according to the ability of oneself.The ability of supporting then is illustrated in the respond packet, and unsupported ability does not respond, and message name is TerminalCapabilitySetAck, and type of message is Response, and this message also is to carry out according to the H.245 agreement of above-mentioned expansion.The ability description field is according to the field after expanding, the list item of selecting terminal to support in the message.
6) interactive multimedia answering server (3002) is after receiving the above-mentioned H.245 agreement response message of having expanded the Capability field, according to the terminal capability that in this response message, comprises, the definite response mode according to this response mode, is carried out the further operation indicating of user.Specifically, according to the calling that the user set up, the whole response mode that can provide at the IMR server side is that predefine is good, as support voice, picture, voice+picture mode, after finishing the aforementioned capabilities acquisition process, suitable response mode just can be selected according to terminal capability by the IMR system, and is as shown in the table:
| Terminal capability | Response mode | Remarks |
| Voice | Voice | |
| Voice+text | Voice+message | |
| Voice, text, picture, the page | Voice+WEB | |
| Voice+spread and put | Voice+video | |
| Other | Other |
Table 1 self adaptation feedback system option table
Because above-mentioned steps 5) be optionally, so this step also is optionally, is to further improvement of the present invention.
7) user terminal is after the descending medium processing unit of the terminal of IMR server obtains the prompting of voice, picture or video of system, the up medium processing unit of terminal that can pass through button, voice, picture realization and IMR system is mutual, expresses user's further operation wish.The situation of interactive voice has not just been given unnecessary details.Situation for the button and the page, the clauses and subclauses that user's button or user selected on hint image are encoded to certain numerical value, owing between terminal and IMR server, set up a duplex channel that transmits audio-video signal based on real-time payload (RTP) agreement, just this numerical value is inserted in real-time payload (RTP) protocol package and is transferred to interactive multimedia answering server (3002), the up medium processing unit of interactive multimedia answering server (3002) receives operations such as the button input of self terminal and picture click, the service management parts of IMR cooperate with call control department spare, from real-time payload (RTP) stream that receives, parse described user's button or the clauses and subclauses that the user selects at hint image, further prompting is provided or corresponding contents directly is provided.
This process is for key mode specifically: terminal is by coming from the prompting of IMR server, determine to wish to be undertaken when mutual by key mode, the user on terminal by certain key (as " 1-9, *, # " etc.); To each key-press event, the ten's digit of correspondence is encapsulated into RTP bag (the independent Payload load type of expansion key-press event), be inserted in real time between terminal and the IMR server and transmit in the existing RTP media channel, the RTP packet format of key-press event as shown in Figure 3.
Wherein:
Event type: be 8 bits, identify the event type in this RTP bag, be changed to 11111110, represent that this RTP bag is a key-press event bag;
E: 0 this incident of expression of putting does not transmit as yet fully to be finished, and puts this bag of 1 expression and is last bag of this incident.
R: a disposed upright 0, can expand future as other purposes;
Value: transmit concrete key value, terminal is behind user key-press, and with the corresponding one-tenth of user key-press ten's digit value, correspondence table is as follows immediately:
| Button (incident) | Ten's digit | Remarks |
| 0-9 | 000000-000101 | |
| ＊ | 001000 | |
| # | 001001 | |
| Other | Undetermined |
Table 2 user key-press event code table
Event id: from 0000000000000001-1111111111111111, generation recycles in order.
The up medium process module of IMR server parses user's key value from rtp streaming, key value is sent to the service management parts,, is further pointed out or business provides according to user key-press by the service management parts.
This process is for page mode specifically: user terminal is by coming from the prompting of IMR server, determine to wish to be undertaken when mutual by the picture mode, the user can select (by key and acknowledgement key up and down) in the clauses and subclauses in the picture of IMR server feedback; After the user pressed acknowledgement key, the unknown ID of clauses and subclauses that terminal is selected the user (number encoding according to the ranks of clauses and subclauses starting point) was encoded in the Value value of RTP bag, is sent to the IMR system, packet format such as Fig. 4.
Wherein:
Event type: be 8 bits, identify the event type in this RTP bag, be changed to 11111101, represent that this RTP bag is a page alternative events bag;
E: 0 this incident of expression of putting does not transmit as yet fully to be finished, and puts this bag of 1 expression and is last bag of this incident.
R: a disposed upright 0, can expand future as other purposes;
Value: transmit concrete Entry ID, terminal is behind user key-press, and with the corresponding one-tenth of user key-press ten's digit value, correspondence table is as follows immediately:
Preceding 3 bytes for the row number, back 3 bytes for row number.
Event id: from 0000000000000001-1111111111111111, generation recycles in order.
The IMR server can parse the clauses and subclauses that the user of coding selects at webpage in the payload type according to " picture text " from rtp streaming.The up medium process module of IMR server receives when having event type to be 11111101 types of events in the RTP bag, parses the service interaction clauses and subclauses coding that the user selects from bag, gives the service management module, carries out that business provides or further service informing.
The IMR server can be realized with software multipoint control unit (MCU) form, promptly refer to operate in the cover of one on the general hardware platform (as server, Compact PCI machine frame, ATCA server architecture) software systems, can the software and hardware cooperation finish the IMR server capability.
The present invention has following advantage in application: terminal support widely and agreement support, expanded the H.323 support of terminal such as agreement and video telephone; The user expanded to the uplink interaction of system supported button, voice, picture mode simultaneously; System can expand to voice, picture, video and the mode of combination in twos to descending presenting of user/feed back; The ability of expanding system perception user terminal can adaptively selected suitable descending presentation mode.
Claims (6)
1. interactive multimedia answer method that is used for the interactive multimedia answering system, H.323 described interactive multimedia answering system comprises broadband packet (2001), user terminal (100), H.323 gatekeeper (3001) and interactive multimedia answering server (3002), and described interactive multimedia answer method comprises:
User terminal (100), interactive multimedia answering server (3002) are registered to gatekeeper (3001) H.323 respectively, when user terminal (100) was dialed the special service number that belongs to interactive multimedia answering server (3002), H.323 gatekeeper (3001) directed into interactive multimedia answering server (3002) with the calling of user terminal (100);
After user terminal (100) obtains the prompting of voice, picture or video from interactive multimedia answering server (3002), the clauses and subclauses that user's button or user selected on hint image are encoded to certain numerical value, this numerical value is inserted in real-time payload (RTP) protocol package is transferred to interactive multimedia answering server (3002);
Interactive multimedia answering server (3002) parses described user's button or the clauses and subclauses that the user selects at hint image from real-time payload (RTP) stream that receives, further prompting is provided or corresponding contents directly is provided.
2. according to the method for claim 1, it is characterized in that also comprising:
H.245 the Capability field of protocol message is expanded, made it comprise the terminal capability that is combined with text, picture, the page, spreads and put;
Calling at user terminal (100) is guided interactive multimedia answering server (3002) afterwards, and interactive multimedia answering server (3002) sends the above-mentioned H.245 agreement apply for information of having expanded the Capability field to user terminal (100) and inquires;
After user terminal (100) is received the H.245 protocol message of having expanded the Capability field, in having expanded the H.245 agreement response message of Capability field, reply according to the ability of oneself.
3. according to the method for claim 2, it is characterized in that:
Describedly be combined with text, picture, the page, the terminal capability of putting that spreads comprises text encoding and decoding disposal ability, picture coding/decoding capability, the exoergic power of spreading, page tenability.
4. according to the method for claim 2, it is characterized in that, interactive multimedia answering server (3002) after receiving the above-mentioned H.245 agreement response message of having expanded the Capability field, according to the terminal capability that in this response message, comprises, the definite response mode.
5. according to the method for claim 4, it is characterized in that the process of described definite response mode is as follows: when ability of user terminal was voice, the definite response mode was voice; When ability of user terminal was voice and text, the definite response mode was voice and message; When ability of user terminal was voice, text, picture and the page, the definite response mode was voice and WEB; When ability of user terminal is voice and spreading when putting, the definite response mode is a voice and video.
6. according to the method for claim 4, it is characterized in that: interactive multimedia answering server (3002) carries out the user terminal prompting according to the response mode of determining.
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| CN101753733B (en) * | 2008-12-01 | 2014-09-03 | 中国移动通信集团天津有限公司 | Message processing method, system and device in interactive voice response procedure |
| CN102055731B (en) * | 2009-10-27 | 2015-11-25 | 中兴通讯股份有限公司 | IVVR Menu Generating System and method |
| CN102271142B (en) * | 2010-06-01 | 2015-01-28 | 中兴通讯股份有限公司 | Service development platform, system thereof and method thereof |
| US9467563B1 (en) * | 2015-04-10 | 2016-10-11 | Angel.Com Incorporated | Visual interactive voice response system |
| CN106559588B (en) * | 2015-09-30 | 2021-01-26 | 中兴通讯股份有限公司 | Method and device for uploading text information |
| CN105227791B (en) * | 2015-10-16 | 2018-02-16 | 江苏腾云创智信息技术有限公司 | The jump method of call center's IVR voice paths |
| CN105516642A (en) * | 2015-12-14 | 2016-04-20 | 广东亿迅科技有限公司 | Video conference control system and method based on interactive voice response |
| CN113114860B (en) * | 2021-04-02 | 2022-06-17 | 宁波菊风系统软件有限公司 | Web-based audio and video response system and use method thereof |
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| KR20020019198A (en) * | 2000-09-05 | 2002-03-12 | 이계철 | Method for providing service using internet call center |
| CN1655574A (en) * | 2004-02-12 | 2005-08-17 | 喻坦 | A multimedia communication system and communication method |
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| CN1960408A (en) | 2007-05-09 |
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