CN102624585B - Analog conversation method based on gateway terminal equipment and voice device detection device - Google Patents
Analog conversation method based on gateway terminal equipment and voice device detection device Download PDFInfo
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- CN102624585B CN102624585B CN201210066470.9A CN201210066470A CN102624585B CN 102624585 B CN102624585 B CN 102624585B CN 201210066470 A CN201210066470 A CN 201210066470A CN 102624585 B CN102624585 B CN 102624585B
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Abstract
The invention relates to a method for realizing analog conversation based on gateway terminal equipment. A voice test process is operated by a main controller of the gateway terminal equipment so as to intercept all phone events of the gateway terminal equipment, and a DSP (Digital Signal Processor) and a DLIC (Data Link Interface Circuit) are controlled based on the phone events, a terminal state and a timeline, so that the DSP and the DLIC can be controlled according to the mutually connected phone events of the gateway terminal equipment, the analog conversation is realized, an environment with a soft switch server is not needed, and the conversation is simpler. The invention also provides a method for realizing voice device detection in the gateway terminal equipment. In an analog conversation process, audio detection is carried out on a voice device according to a voice test process of the main controller, so that the detection on the voice device can be realized in an environment without the soft switch server. The method is applicable to large-scale automated testing, and the problem that in the prior art, the voice device is inconvenient to detect is effectively solved. The methods, provided by the invention, have simple and convenient application modes, low implementation cost and wider application range.
Description
Technical field
The present invention relates to webmaster terminal equipment applied technical field, particularly webmaster terminal equipment detection technique field, specifically refers to a kind of based on gateway terminal equipment realization simulation call method and speech-chip detection method.
Background technology
Current VoIP (Voice over Internet Protocol) product, its application mode is to be all registered on a soft switching server, then could realize mutually and calling.If voip gateway terminal equipment is carried out to the detection of speech-chip, also can only build soft switching server by this method, then connect the mode of phone, could judge speech-chip quality.Build such soft switching server environment, what even have also may need some network equipments, has both taken resource, loses time, and needs again professional to instruct, and it is very inconvenient to apply, and the production efficiency of gateway terminal equipment has been produced to great restriction.
Summary of the invention
The object of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of and need not build environment and registration, the telephone set of seting out simply can be realized call, and analog telephone scene measuring element parameter, realizing speech-chip detects, be applicable to being applied to the extensive automatic test of plant produced, thereby effectively solve speech-chip in prior art and detect inconvenient problem, and application mode is easy, realize with low costly, range of application realizes the method for simulation call and the method that speech-chip detects based on gateway terminal equipment very widely
Gateway terminal equipment comprises master controller, speech-chip and digital signal processor, described master controller is connected respectively described digital signal processor with speech-chip, and described gateway terminal equipment also comprises the network interface that connects described digital signal processor by Subscriber Line Interface Circuit.In order to realize above-mentioned object, the method based on gateway terminal equipment realization simulation call of the present invention comprises the following steps:
(1) according to user's operation, described gateway terminal equipment is set to test pattern, and described master controller starts voice driven;
(2) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described, and phone event, SOT state of termination and time shaft based on described are controlled described digital signal processor and Subscriber Line Interface Circuit;
(3) described tone testing process detects described phone event, and described master controller judges whether gateway terminal equipment telephony port number is more than or equal to two, if so, enters step (4), otherwise carries out a port event handling;
(4) described gateway terminal equipment comprises our gateway terminal equipment and the other side's gateway terminal equipment, the described phone event type of master controller judgement of we's gateway terminal equipment, if off-hook event, enter step (5), if dialer event, enter step (6), if onhook event enters step (7);
(5) process status of the tone testing process described in described master controller judgement, and respectively the off-hook event of hook state and jingle bell state is controlled;
(6) the described master controller control of dialling;
(7) process status of the tone testing process described in described master controller judgement, and respectively the onhook event of off hook state, talking state and jingle bell state is controlled.
Should realize in the method for simulation call based on gateway terminal equipment, described step (5) specifically comprises the following steps:
(51) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if hook state enters step (52), if jingle bell state enters step (53);
(52) state of described our gateway terminal equipment master controller the other side gateway terminal equipment is set to jingle bell state;
(53) described we and the other side's gateway terminal device end jingle bell state, and enter step (54);
(54) described our gateway terminal equipment obtains the digital signal processor parameter of the other side's gateway terminal equipment, carries out digital signal processor setting, and enters step (55) talking state;
(55) described our gateway terminal equipment and the other side's gateway terminal equipment all enters talking state.
Should realize in the method for simulation call based on gateway terminal equipment, described step (6) specifically comprises the following steps:
(61) whether the process status of the tone testing process of the master controller of described our gateway terminal equipment is talking state, if so, enters step (62), if not, returns to step (3);
(62) described our gateway terminal equipment sends digital event signal to described the other side's gateway terminal equipment.
Should realize in the method for simulation call based on gateway terminal equipment, described step (7) specifically comprises the following steps:
(71) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if off hook state enters step (72), if talking state, enter step (73), if jingle bell state enters step (76);
(72) described our gateway terminal device plays busy tone, and our gateway terminal equipment is set to hook state;
(73) described our gateway terminal equipment carries out digital signal processor setting, controls our gateway terminal equipment and enters hook state, and enter step (74);
(74) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (75);
(75) described our gateway terminal device plays busy tone, and the other side's gateway terminal equipment is set to off hook state;
(76) main controller controls of described our gateway terminal equipment we gateway terminal device end jingle bell state, and enter hook state, and enter step (77);
(77) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (78);
(78) the bell sound state of described our gateway terminal device end the other side gateway terminal equipment, and the other side's gateway terminal equipment is set to hook state.
The present invention also provides a kind of method of the realization simulation call based on described to realize the method that in gateway terminal equipment, speech-chip detects, wherein, described speech-chip is also connected with described master controller by an audio detection equipment, and described step (2) comprises the following steps:
(21) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described;
(22) described audio detection equipment, according to the tone testing process of described master controller, carries out audio detection to described speech-chip.
What adopted this invention realizes based on gateway terminal equipment the method that simulation is conversed, due to its main operation controller tone testing process, all phone events of the gateway terminal equipment that this tone testing process interception is described, and the phone event based on described, SOT state of termination and time shaft are controlled described digital signal processor and Subscriber Line Interface Circuit, thereby can be according to the phone event of interconnective gateway terminal equipment, control figure signal processor and Subscriber Line Interface Circuit are controlled, realize simulation call, thereby remove the soft switching server environment that must build in prior art from, make to realize the mode of conversing more easy.In addition, based on this, realize the method for simulation call, the present invention also provides a kind of method that in gateway terminal equipment, speech-chip detects that realizes, audio detection equipment connection is in master controller and speech-chip, and in the process of simulation call, according to the tone testing process of described master controller, described speech-chip is carried out to audio detection, thereby can in the environment without soft switching server, realize speech-chip detects, be applicable to being applied to the extensive automatic test of plant produced, with this, effectively solve speech-chip in prior art and detect inconvenient problem.And of the present inventionly based on gateway terminal equipment, realize the method for simulation call and the application mode of the method that speech-chip detects is easy, realize with low costly, range of application is very extensive.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps that realizes the method for simulation call based on gateway terminal equipment of the present invention.
Fig. 2 is the schematic flow sheet of realizing the method for simulation call based on gateway terminal equipment of the present invention in practical application.
Embodiment
In order more clearly to understand technology contents of the present invention, especially exemplified by following examples, describe in detail.
Referring to shown in Fig. 1, is the flow chart of steps that realizes the method for simulation call based on gateway terminal equipment of the present invention.
In one embodiment, described gateway terminal equipment comprises master controller, speech-chip and digital signal processor, described master controller is connected respectively described digital signal processor with speech-chip, and described gateway terminal equipment also comprises the network interface that connects described digital signal processor by Subscriber Line Interface Circuit.The described method based on gateway terminal equipment realization simulation call comprises the following steps:
(1) according to user's operation, described gateway terminal equipment is set to test pattern, and described master controller starts voice driven;
(2) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described, and phone event, SOT state of termination and time shaft based on described are controlled described digital signal processor and Subscriber Line Interface Circuit;
(3) described tone testing process detects described phone event, and described master controller judges whether gateway terminal equipment telephony port number is more than or equal to two, if so, enters step (4), otherwise carries out a port event handling;
(4) described gateway terminal equipment comprises our gateway terminal equipment and the other side's gateway terminal equipment, the described phone event type of master controller judgement of we's gateway terminal equipment, if off-hook event, enter step (5), if dialer event, enter step (6), if onhook event enters step (7);
(5) process status of the tone testing process described in described master controller judgement, and respectively the off-hook event of hook state and jingle bell state is controlled;
(6) the described master controller control of dialling;
(7) process status of the tone testing process described in described master controller judgement, and respectively the onhook event of off hook state, talking state and jingle bell state is controlled.
A kind of preferred embodiment in, described step (5) specifically comprises the following steps:
(51) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if hook state enters step (52), if jingle bell state enters step (53);
(52) state of described our gateway terminal equipment master controller the other side gateway terminal equipment is set to jingle bell state;
(53) described we and the other side's gateway terminal device end jingle bell state, and enter step (54);
(54) described our gateway terminal equipment obtains the digital signal processor parameter of the other side's gateway terminal equipment, carries out digital signal processor setting, and enters step (55) talking state;
(55) described our gateway terminal equipment and the other side's gateway terminal equipment all enters talking state.
In another preferred embodiment, described step (6) specifically comprises the following steps:
(61) whether the process status of the tone testing process of the master controller of described our gateway terminal equipment is talking state, if so, enters step (62), if not, returns to step (3);
(62) described our gateway terminal equipment sends digital event signal to described the other side's gateway terminal equipment.
In a kind of preferred execution mode, described step (7) specifically comprises the following steps:
(71) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if off hook state enters step (72), if talking state, enter step (73), if jingle bell state enters step (76);
(72) described our gateway terminal device plays busy tone, and our gateway terminal equipment is set to hook state;
(73) described our gateway terminal equipment carries out digital signal processor setting, controls our gateway terminal equipment and enters hook state, and enter step (74);
(74) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (75);
(75) described our gateway terminal device plays busy tone, and the other side's gateway terminal equipment is set to off hook state;
(76) main controller controls of described our gateway terminal equipment we gateway terminal device end jingle bell state, and enter hook state, and enter step (77);
(77) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (78);
(78) the bell sound state of described our gateway terminal device end the other side gateway terminal equipment, and the other side's gateway terminal equipment is set to hook state.
The present invention also provides a kind of method of the realization simulation call based on described to realize the method that in gateway terminal equipment, speech-chip detects, wherein, described speech-chip is also connected with described master controller by an audio detection equipment, and described step (2) comprises the following steps:
(21) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described;
(22) described audio detection equipment, according to the tone testing process of described master controller, carries out audio detection to described speech-chip.
In actual applications, object of the present invention gets around voice protocol stack exactly, and the process of simulation call, directly utilizes the driving Interface realization of speech-chip to complete call flow between two voice mouths.It has broken through traditional to VoIP intrinsic notion, does not have directly to use voice protocol stack and the object that reaches telephone intercommunication.
In application, in gateway terminal equipment, add a kind of configuration mode, i.e. test pattern.Under this pattern, will automatically start voice driven, and tackle all phone events, and as off-hook or on-hook, make it not be transmitted to voice protocol stack, and be only transmitted to tone testing process.In tone testing process, according to incoming event, self state and time shaft, to DSP (digital signal processor) and SLIC (Subscriber Line Interface Circuit), drive interface to carry out control and management, to DSP and SLIC, drive the operation of interface to realize the communication process of simulating reality completely.Particularly as shown in Figure 2, when A side's off-hook, the opposing party B can hear jingle bell, and A can hear ring-back tone, and as B side's certain hour off-hook not, A side hears busy tone, as A side does not also have on-hook within a period of time, crosses and can just can hear and urge on-hook sound.As heard after jingle bell B side, off-hook, A side cuts off ring-back tone, and A, B both sides enter talking state.A or B on-hook, both sides' dropped calls.Therefore the call flow process of simulation only need just can realize at this interiors of products, need, by external environment condition, not reach the actual effect that is simple and easy to use.
Further, utilize this technology can realize the test of the speech-chip of environment such as not relying on voice protocol stack and soft switching server.After VoIP product electrifying startup, connect two phones, be configured to after test pattern, enter testing process.One side plucks phone, and another phone is with regard to jingle bell, and when having plucked, both sides just can converse, and in whole communication process, speech-chip are tested, and reach and test effect rapidly.
Main matter treatment progress code in method of the present invention is as follows:
What adopted this invention realizes based on gateway terminal equipment the method that simulation is conversed, due to its main operation controller tone testing process, all phone events of the gateway terminal equipment that this tone testing process interception is described, and the phone event based on described, SOT state of termination and time shaft are controlled described digital signal processor and Subscriber Line Interface Circuit, thereby can be according to the phone event of interconnective gateway terminal equipment, control figure signal processor and Subscriber Line Interface Circuit are controlled, realize simulation call, thereby remove the soft switching server environment that must build in prior art from, make to realize the mode of conversing more easy.In addition, based on this, realize the method for simulation call, the present invention also provides a kind of method that in gateway terminal equipment, speech-chip detects that realizes, audio detection equipment connection is in master controller and speech-chip, and in the process of simulation call, according to the tone testing process of described master controller, described speech-chip is carried out to audio detection, thereby can in the environment without soft switching server, realize speech-chip detects, be applicable to being applied to the extensive automatic test of plant produced, with this, effectively solve speech-chip in prior art and detect inconvenient problem.And of the present inventionly based on gateway terminal equipment, realize the method for simulation call and the application mode of the method that speech-chip detects is easy, realize with low costly, range of application is very extensive.
In this specification, the present invention is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. based on gateway terminal equipment, realize the method that simulation is conversed for one kind, described gateway terminal equipment comprises master controller, speech-chip and digital signal processor, described master controller is connected respectively described digital signal processor with speech-chip, described gateway terminal equipment also comprises the network interface that connects described digital signal processor by Subscriber Line Interface Circuit, it is characterized in that, described method comprises the following steps:
(1) according to user's operation, described gateway terminal equipment is set to test pattern, and described master controller starts voice driven;
(2) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described, and phone event, SOT state of termination and time shaft based on described are controlled described digital signal processor and Subscriber Line Interface Circuit;
(3) described tone testing process detects described phone event, and described master controller judges whether gateway terminal equipment telephony port number is more than or equal to two, if so, enters step (4), otherwise carries out a port event handling;
(4) described gateway terminal equipment comprises our gateway terminal equipment and the other side's gateway terminal equipment, the described phone event type of master controller judgement of we's gateway terminal equipment, if off-hook event, enter step (5), if dialer event, enter step (6), if onhook event enters step (7);
(5) process status of the tone testing process described in described master controller judgement, and respectively the off-hook event of hook state and jingle bell state is controlled;
(6) the described master controller control of dialling;
(7) process status of the tone testing process described in described master controller judgement, and respectively the onhook event of off hook state, talking state and jingle bell state is controlled.
2. the method that realizes simulation call based on gateway terminal equipment according to claim 1, is characterized in that, described step (5) specifically comprises the following steps:
(51) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if hook state enters step (52), if jingle bell state enters step (53);
(52) state of described our gateway terminal equipment master controller the other side gateway terminal equipment is set to jingle bell state;
(53) described we and the other side's gateway terminal device end jingle bell state, and enter step (54);
(54) described our gateway terminal equipment obtains the digital signal processor parameter of the other side's gateway terminal equipment, carries out digital signal processor setting, and enters step (55) talking state;
(55) described our gateway terminal equipment and the other side's gateway terminal equipment all enters talking state.
3. the method that realizes simulation call based on gateway terminal equipment according to claim 1, is characterized in that, described step (6) specifically comprises the following steps:
(61) whether the process status of the tone testing process of the master controller of described our gateway terminal equipment is talking state, if so, enters step (62), if not, returns to step (3);
(62) described our gateway terminal equipment sends digital event signal to described the other side's gateway terminal equipment.
4. the method that realizes simulation call based on gateway terminal equipment according to claim 1, is characterized in that, described step (7) specifically comprises the following steps:
(71) process status of the tone testing process described in the judgement of the master controller of described our gateway terminal equipment, if off hook state enters step (72), if talking state, enter step (73), if jingle bell state enters step (76);
(72) described our gateway terminal device plays busy tone, and our gateway terminal equipment is set to hook state;
(73) described our gateway terminal equipment carries out digital signal processor setting, controls our gateway terminal equipment and enters hook state, and enter step (74);
(74) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (75);
(75) described our gateway terminal device plays busy tone, and the other side's gateway terminal equipment is set to off hook state;
(76) main controller controls of described our gateway terminal equipment we gateway terminal device end jingle bell state, and enter hook state, and enter step (77);
(77) whether the described the other side's gateway terminal equipment of the master controller of described our gateway terminal equipment judgement is talking state, if not, returns to step (3), if so, enters step (78);
(78) the bell sound state of described our gateway terminal device end the other side gateway terminal equipment, and the other side's gateway terminal equipment is set to hook state.
5. based on method claimed in claim 1, realize the method that in gateway terminal equipment, speech-chip detects for one kind, it is characterized in that, described speech-chip is also connected with described master controller by an audio detection equipment, and described step (2) comprises the following steps:
(21) described main operation controller tone testing process, all phone events of the gateway terminal equipment that described tone testing process interception is described;
(22) described audio detection equipment, according to the tone testing process of described master controller, carries out audio detection to described speech-chip.
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| CN201210066470.9A CN102624585B (en) | 2012-03-14 | 2012-03-14 | Analog conversation method based on gateway terminal equipment and voice device detection device |
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| CN201210066470.9A CN102624585B (en) | 2012-03-14 | 2012-03-14 | Analog conversation method based on gateway terminal equipment and voice device detection device |
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| CN109275051B (en) * | 2018-08-16 | 2021-10-01 | 烽火通信科技股份有限公司 | ONU voice function detection method and system |
| CN111182163B (en) * | 2019-11-25 | 2022-02-18 | 深圳震有科技股份有限公司 | Automatic call test method and device, computer equipment and medium |
| CN111130965B (en) * | 2019-12-05 | 2021-06-29 | 中石化石油机械股份有限公司 | High-capacity real-time data transmission system for well control and lifting control |
| CN113489847A (en) * | 2021-07-04 | 2021-10-08 | 芯河半导体科技(无锡)有限公司 | Production testing method of PON gateway equipment based on double-voice-port equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549541A (en) * | 2003-05-21 | 2004-11-24 | 华为技术有限公司 | Method and apparatus for automatic testing media gateway |
| CN101052066A (en) * | 2007-05-22 | 2007-10-10 | 杭州华三通信技术有限公司 | Detecting method for prompting voice, voice server and prompting voice detector |
| JP2011239015A (en) * | 2010-05-06 | 2011-11-24 | Funai Electric Co Ltd | Network apparatus and telephone system |
-
2012
- 2012-03-14 CN CN201210066470.9A patent/CN102624585B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1549541A (en) * | 2003-05-21 | 2004-11-24 | 华为技术有限公司 | Method and apparatus for automatic testing media gateway |
| CN101052066A (en) * | 2007-05-22 | 2007-10-10 | 杭州华三通信技术有限公司 | Detecting method for prompting voice, voice server and prompting voice detector |
| JP2011239015A (en) * | 2010-05-06 | 2011-11-24 | Funai Electric Co Ltd | Network apparatus and telephone system |
Non-Patent Citations (2)
| Title |
|---|
| 崔庆霞，周群彪，柴二建，刘志.基于SIP 的模拟语音通讯系统的设计与实现.《微计算机信息》.2009,第25卷(第8－3期),全文. * |
| 朱晓东,武蓓,邓峰,曾学文,王劲林.基于单DSP的VoIP模拟电话适配器研究与实现.《计算机工程》.2007,第33卷(第5期),全文. * |
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