CN101668092A - Method for realizing supplementary service dialing tone by network multimedia terminal and device - Google Patents
Method for realizing supplementary service dialing tone by network multimedia terminal and device Download PDFInfo
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Abstract
The invention discloses a method for realizing supplementary service dialing tone by a network multimedia terminal and a device; the method comprises the following steps: dialing tone corresponding tosecondary dialing information is stored in a storage module of a common terminal, and the common terminal and an excitation type terminal carry out negotiation of communication ability; the excitation type terminal sends a secondary dialing request to the common terminal, the common terminal responds the secondary dialing request, while a user inputs secondary dialing information, the dialing tone is played for the user, and the secondary dialing information is transmitted to the excitation type terminal. For the secondary dialing information input by the user, variable dialing tones can be played correspondingly. A media control channel is adopted to be transmitted on a grouping network, therefore, the transmission is carried out only by building the media control channel, and the transmission of media control information does not occupy the media control channel, thereby ensuring reliable transmission of the information and saving network resources radically.
Description
Technical field
The present invention relates to network multimedia communication system technical field, relate in particular to the method and apparatus that a kind of network multimedia terminal is realized supplementary service dialing tone.
Background technology
Multimedia communication system is to be based upon on the open protocol platform basis, realizes intercommunication, sets up the session and the network equipment of transmitting multimedia information mutually by the network standard agreement.There is the multiple multi-media communication equipment that is based upon on the network opening interconnection technique at present, the open interconnect standard protocol network that these equipment use has: adopt H.324, H.245, H.223 wait the H.324 network of agreement, adopt H.323, H.225.0, H.245, RTP (Real-time Transport Protocol, RTP)/RTCP (Real-time ControlProtocol, RTCP Real-time Transport Control Protocol) H.323 the network of agreement such as, and employing SIP (SessionInitiation Protocol, session initiation protocol), SDP (Session Description Protocol, the media description agreement), protocol of I MS such as RTP/RTCP (IP Multimedia Subsystem, IP multimedia system) network etc.
When different network multimedia communication apparatus is set up intercommunication, generally need medium control device and medium processing device to carry out cooperation, satisfy the requirement of the real-time of communication by RTP/RTCP.
When under the framework of protocol stack H.323, carrying out Communication Control, set up contact between the network multimedia terminal and be divided into three phases:
Phase I: Call Admission Control relates to RAS (Remote Access Service, remote access service) agreement (H.225.0);
Second stage: call out control, relate to call signaling protocol (H.225.0);
Phase III: connect control, relate to and set up reliable channel (H.245).
Wherein, H.225.0 the controlling object of agreement is just called out, its task is the H.245 control channel of setting up between the network multimedia terminal, is to be finished by control protocol H.245 as for foundation, maintenance and the release of the medium communication " connection " (being logic channel) between each network multimedia terminal.
H.245 message comprises: request, response, order, indication.Request and response message are that network multimedia terminal uses by protocol entity, constitute protocol procedures.Request message requires the recipient to carry out desired action, and returns response immediately; Response message is the answer to request message, can be the result who confirms, refuses or return request; Command messages also requires the recipient to carry out the action of appointment, but does not require its back response; Indication message is a transmission information, does not require that the recipient carries out action, does not also require its answer response, normally indicates the state information of network multimedia terminal.
Network multimedia terminal is divided into stimulable type terminal and ordinary terminal, when ordinary terminal carries out BlueDrama by the stimulable type terminal, the stimulable type terminal can at first be opened some supplementary services to ordinary terminal, such as, when ordinary terminal by having MCU (Multipoint Control Unit, when multipoint control unit) the stimulable type terminal of function joins certain meeting-place of video conferencing, the stimulable type terminal sends the two-stage dialing request to ordinary terminal, it can be a kind of supplementary service that is used for carrying out authentication, the indication that the stimulable type terminal transmits to ordinary terminal, and wish that it can make corresponding action according to the indication of stimulable type terminal.This process of carrying out the supplementary service of authentication is so: if authentication is passed through, stimulable type terminal real-time audio/video information in ordinary terminal transmits the meeting-place then, if authentication failure, then the stimulable type terminal can continue requests verification, until authentication by or ordinary terminal abandon.Here be the implication that example is explained supplementary service just with specific conference telephone service occasion, and the kind of supplementary service is a lot, be not limited to authentication, but supplementary service for the initiation of stimulable type terminal, ordinary terminal must carry out two-stage dialing, and promptly the user of ordinary terminal side must input two-stage dialing information can add desired business.H.323 including H.245 agreement in the protocol stack framework, H.245 the basic Indication message in the agreement has defined user's Indication message (UserInput).User's Indication message is used for transmitting the DTMF that obtain (Dual Tone Multi Frequency, the dual-tone multifrequency) signal of two-stage dialing information after encoded on the network, and two-stage dialing information comprises 0～9, * and # and A, B, C, D.
In the prior art at present, import two-stage dialing information from the user at ordinary terminal, until with the two-stage dialing direct information H.323 before the protocol stack, network multimedia terminal all can not be provided as the function that the user plays dialing tone, and common network multimedia terminal employing is embedded OS, do not provide input keyboard for the user, therefore, the user is by remote controller or external PC (Personal Computer, PC) mode accesses network multimedia terminal, in this case, the user can't learn whether oneself pushes button, what the dialing that can not distinguish the button correspondence of pressing by sound is, this has influenced user's experience and impression greatly.
Summary of the invention
The technical problem to be solved in the present invention is, provide a kind of network multimedia terminal to realize the method and apparatus of supplementary service dialing tone, in the process of the two-stage dialing request that network multimedia terminal responsing excitation type terminal is sent for the user plays dialing tone, in order to prompting user operational circumstances.
The technical solution used in the present invention is, described network multimedia terminal is realized the method for supplementary service dialing tone, is included in the dialing tone of storage two-stage dialing information correspondence in the memory module of ordinary terminal; Ordinary terminal and stimulable type terminal are carried out ability to communicate and are consulted; The stimulable type terminal sends the two-stage dialing request to ordinary terminal, and the request of ordinary terminal response two-stage dialing for the user plays dialing tone, and sends to the stimulable type terminal with two-stage dialing information when the user imports two-stage dialing information.
Further, to carry out the process that ability to communicate consults as follows for described ordinary terminal and stimulable type terminal:
Ordinary terminal and stimulable type terminal send the ability to communicate collection mutually, and described ability to communicate collection comprises: transmission user indication capacity data bag, reception user indicate the network code form of capacity data bag and support;
Negotiate the common capability set that uses of ordinary terminal and stimulable type terminal.
Further, the process of described ordinary terminal response two-stage dialing request is as follows:
Step 1, ordinary terminal are opened user's input window according to the two-stage dialing request on graphic user interface;
Step 2, user import two-stage dialing information on graphic user interface.
Further, to play the process of dialing tone as follows for the user when the user imports two-stage dialing information for described ordinary terminal:
Media management module in step a, the ordinary terminal receives the two-stage dialing information of user input, and it according to the encoding of ordinary terminal and the common network code form of supporting of stimulable type terminal, is obtained two-stage dialing information and encode;
Step b, media management module are inquired about the dialing tone of two-stage dialing information correspondence in the memory module of ordinary terminal;
Step c, media management module notice medium process module are play the dialing tone of two-stage dialing information correspondence for the user.
Further, described that two-stage dialing information is sent to the process of stimulable type terminal is as follows: ordinary terminal sends to H.323 protocol stack with two-stage dialing information coding, H.323 protocol stack is packaged into independently packet with it, is transferred to the stimulable type terminal by packet network then.
As a kind of optimized technical scheme, described H.323 protocol stack is to transmit on packet network by the medium control channel by the further employing of packet network transmits data packets.
The present invention also provides a kind of network multimedia terminal to realize the device of supplementary service dialing tone, comprising:
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for when the user imports two-stage dialing information, inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for playing for the user according to the notice of media management module the dialing tone of two-stage dialing information correspondence.
Further, described media management module is further used for the two-stage dialing information of user's input is encoded according to ordinary terminal and the common network code form of supporting of stimulable type terminal, and the two-stage dialing information coding that obtains is sent to the stimulable type terminal.
Further, the described process that the two-stage dialing information that obtains coding is sent to the stimulable type terminal is: by protocol stack H.323 two-stage dialing information encode seal is dressed up independently packet, again packet is transferred to the stimulable type terminal by the medium control channel on packet network.
The present invention also provides a kind of ordinary terminal of playing the supplementary service dialing tone function that has, and comprising:
The GUI module is used to provide friendly user interface, and the two-stage dialing information of user's input of receiving is transmitted to medium control device;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for when receiving the two-stage dialing information that the GUI module is sent, and inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for notice according to media management module and is the dialing tone that user on the ordinary terminal plays two-stage dialing information correspondence.
The present invention also provides a kind of stimulable type terminal of playing the supplementary service dialing tone function that has, and comprising:
The GUI module is used to provide friendly user interface, and the two-stage dialing information that receives is transmitted to medium control device;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for being decoded into the two-stage dialing information of user's input on the ordinary terminal when receiving the two-stage dialing information coding that the GUI module is sent, and inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for notice according to media management module and is the dialing tone that user on the stimulable type terminal plays two-stage dialing information correspondence.
Adopt technique scheme, the present invention has following advantage at least:
Network multimedia terminal of the present invention is realized the method and apparatus of supplementary service dialing tone, and this method is stored the dialing tone of two-stage dialing information correspondence in the memory module of ordinary terminal, and ordinary terminal and stimulable type terminal are carried out ability to communicate and consulted; The stimulable type terminal sends the two-stage dialing request to ordinary terminal, and the request of ordinary terminal response two-stage dialing for the user plays dialing tone, and sends to the stimulable type terminal with two-stage dialing information when the user imports two-stage dialing information.For the two-stage dialing information of user input, can the corresponding dialing tone of playing multiple variation:, under the situation of related hardware support, can also play the high-fidelity sound of storage as people's sound, natural phonation etc.Because what adopt is that the medium control channel transmits on packet network, transmission only needs to set up the medium control channel, and the transmission medium control information need not to set up media transfer channel transmission dialing tone information, saves Internet resources.In addition, because media transfer channel is UDP (the User Datagram Protocol that is based upon on connectionless insecure host-host protocol basis, User Datagram Protoco (UDP)) host-host protocol, and the medium control channel is to be based upon on the basis of reliable transport protocol, so the present invention's reliable transmission of guarantee information fundamentally.
Network multimedia terminal of the present invention is realized in the device of supplementary service dialing tone, medium control device is after the two-stage dialing information that receives user's input, only need to convert thereof into the coding form that DTMF requires, this locality only is the dialing tone information of medium control device according to the local memory module storage of the two-stage dialing information inquiry of user's input, and with dialing tone direct information medium processing device.Can improve the medium processing speed theoretically, more be applicable to the requirement of network implementation system.
In addition, the invention allows for a kind of stimulable type terminal of playing the supplementary service dialing tone function that has, wherein medium processing device only need be decoded to the dtmf code that ordinary terminal is received, because depositing the dialing tone of two-stage dialing information correspondence in the memory module also can be provided with flexibly, very flexible in stimulable type end side dialing tone implementation, whether adopt dialing tone to play, adopt which kind of dialing tone, such as: multi-lingual sounding or the prompting of other forms of signal tone determine by stimulable type terminal oneself.
For network multimedia terminal, because the method and apparatus of realizing supplementary service dialing tone is in this locality, do not need to consider and the medium control of far-end and the stationary problem of medium, only need information security effectively to be sent to far-end by the medium control channel.
Description of drawings
Fig. 1 is the method flow diagram that the described network multimedia terminal of first embodiment of the invention is realized supplementary service dialing tone;
Fig. 2 is the method flow diagram that the described network multimedia terminal of second embodiment of the invention is realized supplementary service dialing tone;
Fig. 3 has the ordinary terminal of playing the supplementary service dialing tone function and forms schematic diagram for third embodiment of the invention is described.
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the described network multimedia terminal of the present invention's proposition is realized the method and apparatus of supplementary service dialing tone, and describedly have a stimulable type terminal of playing the supplementary service dialing tone function, describe in detail as after.
First embodiment of the invention, as shown in Figure 1, the meeting-place of passing through the meeting of stimulable type terminal adding Web TV with ordinary terminal is an example, a kind of network multimedia terminal is realized the method for supplementary service dialing tone, network multimedia terminal comprises ordinary terminal and stimulable type terminal, store the dialing tone of two-stage dialing information correspondence in the memory module of ordinary terminal in advance, this method comprises the steps:
Optional afterwards, the stimulable type terminal can be told the ordinary terminal operating result by indication information, such as: during by authentication, the transmit operation success indicating; During the identity failure, the Indication message of transmit operation failure.Ordinary terminal receives the Indication message of stimulable type terminal, if successfully operation indication, then local media control appliance control GUI module is closed user's input window; If user's input error is then pointed out in the failure operation indication, re-enter.
Second embodiment of the invention, as shown in Figure 2, the meeting-place of passing through the meeting of stimulable type terminal adding Web TV with ordinary terminal is an example, a kind of network multimedia terminal is realized the method for supplementary service dialing tone, network multimedia terminal comprises ordinary terminal and stimulable type terminal, and this method comprises the steps:
After step 203, notified its of ordinary terminal carry out the Indication message of two-stage dialing, this Indication message is resolved, control local GUI module by media management module and open user's input window, the GUI module provides friendly user interface, the user can import two-stage dialing information by remote controller in user's input window then, the character that can import comprises numeral 0～9, A, B, C, D, # and * etc., the GUI module sends to media management module in the ordinary terminal with two-stage dialing information, forbidden character information will be left intact, and directly abandon.
Optional afterwards, the stimulable type terminal can be told the ordinary terminal operating result by indication information, such as: during by authentication, the transmit operation success indicating; During the identity failure, the Indication message of transmit operation failure.Ordinary terminal receives the Indication message of stimulable type terminal, if successfully operation indication, then local media control appliance control GUI module is closed user's input window; If user's input error is then pointed out in the failure operation indication, re-enter.
Third embodiment of the invention, as shown in Figure 3, a kind of ordinary terminal with broadcast supplementary service dialing tone function comprises:
The GUI module, be used to provide user's operating experience interface of close friend, inform the operating state of the current ordinary terminal of user, the two-stage dialing information that the user who receives is imported is transmitted to medium control device and informs user's operating result by the mode of graphical interfaces;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for when receiving the two-stage dialing information that the GUI module is sent, and inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for notice according to media management module and is the dialing tone that user on the ordinary terminal plays two-stage dialing information correspondence.
H.323 protocol stack is used to realize the system definition and the transmission control procedures of multi-media communication.Because UserInput is H.245 a basic Indication message, be the part of agreement H.323, so H.323 protocol stack is used for transmitting to packet encapsulation and on packet network instruction message.Certainly, the present invention also can adopt other the network transmission protocol to transmit two-stage dialing information.
Fourth embodiment of the invention, a kind of stimulable type terminal with broadcast supplementary service dialing tone function comprises:
The GUI module is used to provide friendly user interface, and the two-stage dialing information of user's input on passing through of the receiving ordinary terminal that packet network transmits is transmitted to medium control device;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module, be used for when receiving the two-stage dialing information coding that the GUI module is sent, be decoded into the two-stage dialing information of user's input on the ordinary terminal, in memory module, inquire about the dialing tone of two-stage dialing information correspondence and notify medium process module, in addition, media management module also is used for startup, the configuration effort of medium processing device.
Medium process module is used for notice according to media management module and is the dialing tone that user on the stimulable type terminal plays two-stage dialing information correspondence.
H.323 protocol stack is used to realize the system definition and the transmission control procedures of multi-media communication.Because UserInput is H.245 a basic Indication message, be the part of agreement H.323, so H.323 protocol stack is used for transmitting to packet encapsulation and on packet network instruction message.Certainly, the present invention also can adopt other the network transmission protocol to transmit two-stage dialing information.
Network multimedia terminal of the present invention is realized the method and apparatus of supplementary service dialing tone, and this method is stored the dialing tone of two-stage dialing information correspondence in the memory module of ordinary terminal, and ordinary terminal and stimulable type terminal are carried out ability to communicate and consulted; The stimulable type terminal sends the two-stage dialing request to ordinary terminal, and the request of ordinary terminal response two-stage dialing for the user plays dialing tone, and sends to the stimulable type terminal with two-stage dialing information when the user imports two-stage dialing information.For the two-stage dialing information of user input, can the corresponding dialing tone of playing multiple variation:, under the situation of related hardware support, can also play the high-fidelity sound of storage as people's sound, natural phonation etc.Because what adopt is that the medium control channel transmits on packet network, transmission only needs to set up the medium control channel, and the transmission medium control information need not to take media transfer channel, saves Internet resources.In addition, because media transfer channel is the UDP host-host protocol that is based upon on connectionless insecure host-host protocol basis, and the medium control channel is to be based upon on the basis of reliable transport protocol, so the present invention's reliable transmission of guarantee information fundamentally.
Network multimedia terminal of the present invention is realized in the device of supplementary service dialing tone, medium control device is after the two-stage dialing information that receives user's input, only need to convert thereof into the coding form that DTMF requires, this locality only is the dialing tone information of medium control device according to the local memory module storage of the two-stage dialing information inquiry of user's input, and with dialing tone direct information medium processing device.Can improve the medium processing speed theoretically, more be applicable to the requirement of network implementation system.
In addition, the invention allows for a kind of stimulable type terminal of playing the supplementary service dialing tone function that has, wherein medium processing device only need be decoded to the dtmf code that ordinary terminal is received, because depositing the dialing tone of two-stage dialing information correspondence in the memory module also can be provided with flexibly, very flexible in stimulable type end side dialing tone implementation, whether adopt dialing tone to play, adopt which kind of dialing tone, such as: multi-lingual sounding or the prompting of other forms of signal tone determine by stimulable type terminal oneself.
For network multimedia terminal, because the method and apparatus of realizing supplementary service dialing tone is in this locality, do not need to consider and the medium control of far-end and the stationary problem of medium, only need information security effectively to be sent to far-end by the medium control channel.
By the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
Claims (11)
1, a kind of network multimedia terminal is realized the method for supplementary service dialing tone, it is characterized in that, is included in the dialing tone of storage two-stage dialing information correspondence in the memory module of ordinary terminal; Ordinary terminal and stimulable type terminal are carried out ability to communicate and are consulted; The stimulable type terminal sends the two-stage dialing request to ordinary terminal, and the request of ordinary terminal response two-stage dialing for the user plays dialing tone, and sends to the stimulable type terminal with two-stage dialing information when the user imports two-stage dialing information.
2, realize the method for supplementary service dialing tone according to the described network multimedia terminal of claim 1, it is characterized in that the process that described ordinary terminal and stimulable type terminal are carried out the ability to communicate negotiation is as follows:
Ordinary terminal and stimulable type terminal send the ability to communicate collection mutually, and described ability to communicate collection comprises: transmission user indication capacity data bag, reception user indicate the network code form of capacity data bag and support;
Negotiate the common capability set that uses of ordinary terminal and stimulable type terminal.
3, realize the method for supplementary service dialing tone according to the described network multimedia terminal of claim 1, it is characterized in that the process of described ordinary terminal response two-stage dialing request is as follows:
Step 1, ordinary terminal are opened user's input window according to the two-stage dialing request on graphic user interface;
Step 2, user import two-stage dialing information on graphic user interface.
4, realize the method for supplementary service dialing tone according to the described network multimedia terminal of claim 1, it is characterized in that to play the process of dialing tone as follows for the user when the user imports two-stage dialing information for described ordinary terminal:
Media management module in step a, the ordinary terminal receives the two-stage dialing information of user input, and it according to the encoding of ordinary terminal and the common network code form of supporting of stimulable type terminal, is obtained two-stage dialing information and encode;
Step b, media management module are inquired about the dialing tone of two-stage dialing information correspondence in the memory module of ordinary terminal;
Step c, media management module notice medium process module are play the dialing tone of two-stage dialing information correspondence for the user.
5, realize the method for supplementary service dialing tone according to the described network multimedia terminal of claim 4, it is characterized in that, described that two-stage dialing information is sent to the process of stimulable type terminal is as follows: ordinary terminal sends to H.323 protocol stack with two-stage dialing information coding, H.323 protocol stack is packaged into independently packet with it, is transferred to the stimulable type terminal by packet network then.
6, realize the method for supplementary service dialing tone according to the described network multimedia terminal of claim 5, it is characterized in that described H.323 protocol stack is to transmit on packet network by the medium control channel by the further employing of packet network transmits data packets.
7, a kind of network multimedia terminal is realized the device of supplementary service dialing tone, it is characterized in that, comprising:
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for when the user imports two-stage dialing information, inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for playing for the user according to the notice of media management module the dialing tone of two-stage dialing information correspondence.
8, realize the device of supplementary service dialing tone according to the described network multimedia terminal of claim 7, it is characterized in that, described media management module is further used for the two-stage dialing information of user's input is encoded according to ordinary terminal and the common network code form of supporting of stimulable type terminal, and the two-stage dialing information coding that obtains is sent to the stimulable type terminal.
9, described according to Claim 8 network multimedia terminal is realized the device of supplementary service dialing tone, it is characterized in that, the described process that the two-stage dialing information that obtains coding is sent to the stimulable type terminal is: by protocol stack H.323 two-stage dialing information encode seal is dressed up independently packet, again packet is transferred to the stimulable type terminal by the medium control channel on packet network.
10, a kind of ordinary terminal with broadcast supplementary service dialing tone function is characterized in that, comprising:
The GUI module is used to provide friendly user interface, and the two-stage dialing information of user's input of receiving is transmitted to medium control device;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for when receiving the two-stage dialing information that the GUI module is sent, and inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for notice according to media management module and is the dialing tone that user on the ordinary terminal plays two-stage dialing information correspondence.
11, a kind of stimulable type terminal with broadcast supplementary service dialing tone function is characterized in that, comprising:
The GUI module is used to provide friendly user interface, and the two-stage dialing information that receives is transmitted to medium control device;
Memory module is used to store the dialing tone of two-stage dialing information correspondence;
Media management module is used for being decoded into the two-stage dialing information of user's input on the ordinary terminal when receiving the two-stage dialing information coding that the GUI module is sent, and inquires about the dialing tone of two-stage dialing information correspondence and notify medium process module in memory module;
Medium process module is used for notice according to media management module and is the dialing tone that user on the stimulable type terminal plays two-stage dialing information correspondence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910177310 CN101668092B (en) | 2009-09-29 | 2009-09-29 | Method for realizing supplementary service dialing tone by network multimedia terminal and device |
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| CN 200910177310 CN101668092B (en) | 2009-09-29 | 2009-09-29 | Method for realizing supplementary service dialing tone by network multimedia terminal and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108255A (en) * | 2011-11-15 | 2013-05-15 | 苏州达联信息科技有限公司 | Video distribution network centralized control protocol and implementation device |
| CN103747007A (en) * | 2014-01-21 | 2014-04-23 | 上海斐讯数据通信技术有限公司 | Second-time dialing receiving method |
| CN117880409A (en) * | 2024-03-11 | 2024-04-12 | 荣耀终端有限公司 | Communication method, device, chip and storage medium |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033124C (en) * | 1992-08-14 | 1996-10-23 | 凌阳科技股份有限公司 | Telephone dial controller with speech response |
| US6731625B1 (en) * | 1997-02-10 | 2004-05-04 | Mci Communications Corporation | System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony |
| WO2001005109A1 (en) * | 1999-07-12 | 2001-01-18 | Telefonaktiebolaget Lm Ericsson | Method and system for exchanging information between multimedia network nodes |
| CN100471215C (en) * | 2003-09-02 | 2009-03-18 | 华为技术有限公司 | Method for connecting PSTN telephone with IP conference television system |
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2009
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103108255A (en) * | 2011-11-15 | 2013-05-15 | 苏州达联信息科技有限公司 | Video distribution network centralized control protocol and implementation device |
| CN103747007A (en) * | 2014-01-21 | 2014-04-23 | 上海斐讯数据通信技术有限公司 | Second-time dialing receiving method |
| CN117880409A (en) * | 2024-03-11 | 2024-04-12 | 荣耀终端有限公司 | Communication method, device, chip and storage medium |
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| CN101668092B (en) | 2012-12-19 |
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