CN1361611A - LAN shared telephone/facsimile access system - Google Patents
LAN shared telephone/facsimile access system Download PDFInfo
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- CN1361611A CN1361611A CN 02113937 CN02113937A CN1361611A CN 1361611 A CN1361611 A CN 1361611A CN 02113937 CN02113937 CN 02113937 CN 02113937 A CN02113937 A CN 02113937A CN 1361611 A CN1361611 A CN 1361611A
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Abstract
The LAN shared telephone/facsimile access system is for expanding telephone, facsimile and other services of public telephone network to LAN. The present invention includes concentrator/ network exchanger, transmission line and LAN computer with user's software as well as LAN shared telephone/facsimile access equipment. The LAN shared telephone/facsimile access equipment is connected to the LAN concentrator and exchanger via its own network interface and to public telephone network via telephone lines. Under the condition of not occupying access server, the present invention makes it possible for any LAN computer to perform information exchange with public telephone network via LAN shared telephone/facsimile access equipment to realize automatic calling switchover, automatic distribution of calling fascimile and message and other functions.
Description
Technical field: the present invention relates to the integrated communication system of a kind of computer and phone, especially a kind of network computer telephone integrating system that voice/facsimile service is merged.More particularly, the present invention is by using LAN-sharing formula phone call/facsimile access device, seamless the expanding in the Local Area Network of services such as phone call/facsimile that public telephone network (PSTN) is provided.
Background technology: traditional telephone switching system mainly is formed by connecting by telephone exchange, telephone terminal and transmission line, and telephone exchange makes to be set up annexation between arbitrary telephone subscriber and desired another telephone subscriber and exchange, converse with analog voice signal.Along with popularizing and development of internet technology of PC, the computer user can exchange, share the data of various forms such as text, voice, image, video on local area network (LAN).Many company and enterprises, scientific research institutions have all set up internal lan, with sharing of the interchange that makes things convenient for information and resource, to increase work efficiency, to reduce office cost.But in the intensive working environment of the such personnel of similar office building, same room generally has many people to handle official business simultaneously, and each staff has the computer of controlling oneself, and all has a phone unrealistic and will allow on everyone desk.If an office has only a phone, then might phone too busy so that dispatch from foreign news agency be difficult to squeeze into, and be sitting in the other people of telephone set and can propaganda directed to communicate the people and influence work because of usually serving as; If office all adorns a phone for each staff, cost is higher first, and telephone network and computer network dual wired increased the construction cost of network and management, maintenance cost; Second send a telegram here ring, personnel connects and makes a phone call to influence each other, and reduces office efficiency.Three confidentiality are poor, and dialog context is obtained by unrelated person easily.
In order to overcome the above problems,, mainly contain following solution at present at medium and small client's low-end market:
1. use the integrated system of dedicated voice integrated circuit board;
2. use the integrated system of voice/fax modem (MODEM)
The shortcoming of scheme one is costing an arm and a leg of dedicated voice integrated circuit board, the cost height; The common MODEM that scheme two adopts on the market has reduced cost to a certain extent.But in application process, these two schemes all must be connected in the local area network (LAN) on certain computer, and in running order if this computer does not have, then other computer can't connect public telephone network in the local area network (LAN).So, keep other computers can connect public telephone network at any time, this computer must keep operating state always, promptly serves as access server.This just need take a computer, has brought the inconvenience of using.
Summary of the invention: technical problem to be solved by this invention is exactly that a kind of seamless access scheme that expands in the local area network (LAN) of services such as phone call/facsimile that public telephone network is provided will be provided, public switched telephone network (PSTN) and LAN (Local Area Network) are organically merged, do not needing under the dual wired condition of phone, network, do not needing to use under the condition of access server, realize one one of staff " fax leave word call ", influence each other thereby reduce between office cost, minimizing personnel, increase the flexibility of operating efficiency, confidentiality and system.
The object of the present invention is achieved like this: the present invention includes the local area network (LAN) computer, and hub or switch, transmission line is characterized in that the present invention also comprises LAN-sharing formula phone call/facsimile access device and the user software that is installed on the local area network (LAN) computer.LAN-sharing formula phone call/facsimile access device is connected with hub or switch in the local area network (LAN) by the self networks interface, and links to each other with public telephone network by telephone wire.On the computer in the local area network (LAN) user software is installed, and is all linked to each other with hub/network switch.Do not needing to take under the condition of access server, the present invention makes any computer in the local area network (LAN) carry out information interaction with public telephone network at any time by sharing LAN-sharing formula phone call/facsimile access device.
LAN-sharing formula phone call/facsimile access device of the present invention is made up of main controller module, modulation module, Network Interface Module, modulation module one end links to each other with telephone wire, one end links to each other with main controller module, main controller module one end links to each other with the modulation module, one end links to each other with Network Interface Module, Network Interface Module one end links to each other with main controller module, and an end links to each other with local network hub or switch; The transmission of the distribution of the switching of curing special-purpose software control phone, fax and message, fax and phone, fax in the main controller module.
Main controller module comprises master controller, mass storage and basic storage (comprising RAM and Flash ROM).The service data and the equipment configuration parameter in basic storage storage equipment when work, the keeper can be on the local area network (LAN) computer online modification configuration parameter, as the network address of unique identification LAN-sharing formula phone call/facsimile access device in local area network (LAN); The message information database that mass storage deposits the User Information Database of the network address of each network computer of local area network (LAN) and extension corresponding relation, manage user's message, the facsimile message database that telefax is managed and the call information data storehouse that the phone incoming call is breathed out and controlled and manage; Master controller is responsible for the processing such as the speech data of relevant information are compressed, and realizes coordination and control to other modules of equipment: 1. use the state of AT order monitoring modulation module, control modulation module realizes information interaction; 2. the Control Network interface module is according to the data that requirement sends data on network or acceptance comes automatic network of procotol.
The modulation module comprises MODEM chip, DAA circuit and speech codec; The MODEM chip is responsible for speech recording and reproducing, AT command analysis, data modem, the error control work on modulation, the telephone wire, and communicates by letter with main controller module; The DAA circuit provides the interface of modulation module and public telephone network; Speech codec is carried out the Code And Decode of voice, and voice full duplex loud speaker speakphone is provided function; The modulation module will be given main controller module after the signal demodulation from telephone wire, and in the future the data of autonomous controller module through being loaded on the telephone wire after the ovennodulation.
Network Interface Module is responsible for carrying out the packing of data and unpacking according to the requirement of procotol, and receiving network data sends to main controller module on the one hand, and the data that main controller module is sent here send to network on the one hand.
Main controller module control voice and facsimile message flow to, its hardware path is as follows: voice, facsimile message can pass to local area network (LAN) corresponding calculated machine by telephone wire, DAA circuit, MODEM chip, main controller module and Network Interface Module, and voice messaging also can pass to local area network (LAN) corresponding calculated machine by telephone wire, DAA circuit, speech codec, main controller module and Network Interface Module.
Special-purpose software operates in the main controller module, realize to Inbound Calls/fax automatic switching, to the plugging into automatically of outbound calling/fax, to incoming call fax and the inquiry of leaving a message with distribute automatically and to the control of main controller module memory space:
During outside line/fax incoming call, earlier by the pickup of LAN-sharing formula phone call/facsimile access device, the voice suggestion calling party dials extension, and after access device received extension, the voice suggestion calling party selected conversation or facsimile function again.
When the outside line incoming call, the prompting user imports extension, judges whether to exist this extension according to User Information Database then, does not then point out call error, asks on-hook; If exist, then, phone is given to corresponding network computer according to network calculations machine information corresponding to this extension; The callee replys then normal talking, and callee's dont answer then points out calling party callee not exist, and please leave a message or on-hook; If calling party's message, then message temporarily is kept in the message information database;
When the fax incoming call, the prompting user imports extension, judges whether to exist this extension according to User Information Database then, does not then point out call error, asks on-hook; If exist, the complete reception and being kept in the facsimile message database of then will fax earlier, on-hook then according to the network calculations machine information corresponding to this extension of preservation on it, is given to corresponding network computer with fax again; The callee is on the throne then normally to transmit, and callee's then fax not on the throne temporarily is kept in the facsimile message database;
When the exhalation outside line, at first respond call request from the local area network (LAN) computer, if telephone wire is occupied, then point out custom system just busy, please dial again after a while; If the telephone wire free time, access device is normally breathed out according to customer requirements, and the called party replys then normal talking, otherwise prompting user the other side no response;
When sending fax, at first respond call request, the complete reception and being kept in the facsimile message database of will faxing from the local area network (LAN) computer; If telephone wire is occupied, then fax temporarily leaves in the facsimile message database, handles by sending the fax circulation process then; If the telephone wire free time is then called out the fax recipient, the recipient replys then and normally sends, and temporarily leaves in the facsimile message database otherwise fax, and handles by sending the fax circulation process then; Send and successfully will notify local area network (LAN) computer user fax to send, the fax on the formula of the LAN-sharing simultaneously phone call/facsimile access device will be deleted automatically; Sending the fax circulation process is: when having fax to be sent in the facsimile message database, if line be busy then enters after a while again and sends the fax circulation; If line idle is then selected the highest fax of priority, make a call to the recipient; The other side replys then and normally sends, and facsimile transmission success back this fax of deletion from database continues whether to exist in the Query Database fax to be sent then; The other side's no response then enters after a while again and sends the fax circulation;
The user can leave a message and fax to the inquiry of LAN-sharing formula phone call/facsimile access device by the local area network (LAN) computer at any time, if there is message/fax of this user, LAN-sharing formula phone call/facsimile access device prompting user will leave a message/fax and extract one by one; If there is no, then point out the user not message/fax;
When user outline was dialled in inquiry message or fax, the prompting user imported extension and personal identification number, judged whether correctly according to the User Information Database of preserving on it then, and mistake input number of times surpasses to set to be put, and then points out the personal identification number mistake, asks on-hook; Checking is passed through, if this user's message is arranged, then imports according to the user and plays message, if this user's fax is arranged, the fax number of then pointing out the user to import appointment arrives this destination with facsimile transmission then; Otherwise current not message of prompting user or fax are asked on-hook;
When the big storage capacity device of main controller module is used up, the deletions of will leaving a message or fax such as condition that special-purpose software will be set by the user such as time conditions, a perhaps optional local area network (LAN) computer forwards message or fax partial content to this computer on by imposing a condition, after device to be stored has enough spaces, again with the content retrieval that produces.
The present invention can support a plurality of LAN-sharing formula phone call/facsimile access devices to receive simultaneously on local network hub or the switch, only the mutually different network address need be set.LAN-sharing formula phone call/facsimile access device also can design a plurality of modulation modules, each modulation module is separate, one end links to each other with main controller module, and the other end is connected with public telephone network by telephone wire, and the multiple phone line of so different telephone numbers can insert simultaneously.LAN-sharing formula phone call/facsimile access device carries out service dispatching according to the current state of telephone wire, and when the user asks, access device will be searched idle telephone wire with response user request, then point out custom system busy if all hurry, and please dial after a while again.The modulation module of LAN-sharing formula phone call/facsimile access device also can be designed to detachable or external, only need the interface between design main controller module and the modulation module this moment, modulation module and main controller module are separated and become independent hardware device such as common external voice/fax MODEM, thereby realize detachable or external modulation module.
Described local area network (LAN) computer is meant network interface card is installed, physically by the interconnective multimedia computer of network layout, deposit message management database and this user-defined phonebook database that this user message is managed on it, network computer all has network address, and the corresponding extension of its network address can be found in the User Information Database on the LAN-sharing formula phone call/facsimile access device; Described multimedia computer is meant the computer that full-duplex audio card, voice-output device such as earphone and voice-input device such as microphone are installed; On each local area network (LAN) computer user software is installed, the user can come to register user profile, to breathe out or receive calls, send or receive faxes, extract the message or fax etc. to LAN-sharing formula phone call/facsimile access device by run user software.User software will pass update user information down from LAN-sharing formula phone call/facsimile access device when starting operation, with inside line/fax of carrying out the local area network (LAN) internal staff alternately.And when the user profile on LAN-sharing formula phone call/facsimile access device has change, system will point out the user to pass update user information down.The keeper can pass through the user software canbe used on line system parameters on the local area network (LAN) computer, the configuration of LAN-sharing formula phone call/facsimile access equipment parameter, and control and leading subscriber LAN-sharing formula phone call/facsimile access device.
User software is when starting operation, at first the mode with broadcasting proposes register requirement to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this register requirement, make and replying, and this user of sign is online in the User Information Database of self, simultaneously the self networks address is returned to user software, user software receives all and replys, according to the number and the network address thereof of LAN-sharing formula phone call/facsimile access device in the response message recognition system; User software is to wherein any one LAN-sharing formula phone call/facsimile access device transmission request then, user profile data on the LAN-sharing formula phone call/facsimile access device are downloaded in the local user's information database of oneself, make things convenient for the calling of inside line; Next to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, and note checking and accepting; If there is no, then point out the user not message/fax; So far, user software finishes startup, enters the background work state;
When user software will close, at first to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, note checking and accepting; If there is no or check and accept and finish, then file a request to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this request, make and replying, and this user of sign is not online in the User Information Database of self; So far, user software finishes the pass closed procedure;
User software mainly is divided into five big modules: dial sending module, answer receiver module, enquiry module, local management configuration module, system management configuration module.Dialing sending module is responsible for the user and dials the internal and external line phone and send fax, answering receiver module is responsible for receiving calls and receiving faxes, enquiry module is responsible for inquiry message/fax, the local management configuration module is responsible for the local user, fax, message, the user software of the management of phone incoming call exhalation information database and user individual configuration oneself, the system management configuration module person of being in charge of is to the user on the LAN-sharing formula phone call/facsimile access device, fax, message, the parameter configuration of the management of phone incoming call exhalation information database and LAN-sharing formula phone call/facsimile access device.The basic procedure of 5 modules is:
1. dial sending module: when the user desired to call or send fax, if inside line, then user software made a call to the other side according to local user's information database; If the outside line fax, then user software sends fax request and fax to LAN-sharing formula phone call/facsimile access device; If outside line, then user software sends call request to LAN-sharing formula phone call/facsimile access device, receives from setting up conversation behind the request-reply of LAN-sharing formula phone call/facsimile access device;
2. answer receiver module: when the user is called out, if fax, then will fax earlier complete reception and be kept at local facsimile message database of user software, the bullet screen points out the user to check and accept fax then; If phone, whether then bullet screen prompting user has incoming call, reply; If user answer, then normally receive calls or check fax; If user's dont answer then shows missed call or new fax, note checking message or fax;
3. enquiry module: when user inquiring fax/message, user software will send query requests to each LAN-sharing formula phone call/facsimile access device successively, and receive the Query Result that special equipment returns, to leave a message and fax and be kept at respectively in local message or the facsimile message database, up to having inquired about all LAN-sharing formula phone call/facsimile access devices; Then Query Result is reported to the user, checked and accepted fax or message by the user;
4. local management configuration module: when the user need manage and dispose local user's software, user software at first shows local parameter configuration, user profile, message information, facsimile message, phone incoming call outgoing record property pages, the user makes configuration and revises in each property pages, configuration modification finishes, if the user abandons revising, then do not make an amendment, user software enters background operation state; If the user confirms to revise, then modification is write local user, fax, message, phone incoming call exhalation information database and user software Parameter File, user software enters background operation state then;
5. system management configuration module: at first require input manager person account and password,, then be prohibited from entering the system management configuration module if checking is not passed through; If checking is passed through, then show the configuration of LAN-sharing formula phone call/facsimile access equipment parameter, user profile, message information, facsimile message, phone incoming call outgoing record property pages, make configuration and modification by the keeper, configuration modification finishes, if the keeper abandons revising, then do not make an amendment, user software enters background operation state; If the keeper confirms to revise, then send the request of modification to LAN-sharing formula phone call/facsimile access device, modification is write user, fax, message, phone incoming call exhalation information database and device parameter district on the LAN-sharing formula phone call/facsimile access device, and user software enters background operation state then.
Hub or switch of the present invention is meant the hub or switch that general local area network (LAN) is commonly used, and described transmission line is computer network data line and telephone wire.
LAN-sharing formula phone call/facsimile connecting system disclosed by the invention only needs plug-in mounting LAN-sharing formula phone call/facsimile access device on the hub or switch of local area network (LAN), to just making it have leave word call and facsimile function behind the local area network (LAN) computer installation user software, any computer can carry out information interaction with public telephone network at any time in the local area network (LAN).The present invention has realized three kinds of information flow directions of voice, fax: outside is pstn telephone net → LAN (Local Area Network) to Internal call; Inner is LAN (Local Area Network) → pstn telephone net to external call; Inner is message transmission between the LAN (Local Area Network) inside to Internal call.
Use the present invention can reach following beneficial effect:
1. do not need to take access server, any computer can not be subjected to the whether restriction of other computer booting to use LAN-sharing formula phone call/facsimile access device and public telephone network to carry out information interaction at any time in the local area network (LAN), really accomplished phone of each user's staff of local area network (LAN), facsimile machine of staff, both guaranteed the privacy of personal call, fax, make computer performance maximum efficiency again, hold concurrently computer, phone, fax, network service, greatly reduce the office equipment cost.
2. LAN-sharing formula phone call/facsimile access device also can design a plurality of modulation modules, the multiple phone line of different telephone numbers can insert simultaneously, alleviate local area network (LAN) computer user busy pressure of telephone wire when too many, strengthened the access capability of LAN-sharing formula phone call/facsimile access device.
3. the modulation module of LAN-sharing formula phone call/facsimile access device can be designed to detachable or external, is convenient to utilize the existing modulator-demodulator of user at hand, reduces cost as far as possible.
4. insert when supporting a plurality of LAN-sharing formula phone call/facsimile access device, their network address is different.The cut-in method of each LAN-sharing formula phone call/facsimile access device is identical, has strengthened the access capability of LAN-sharing formula phone call/facsimile access device, has enlarged capacity.
5. the user can control (shutting down computer as phone control) to the network computer of oneself by using nonlocal phone, has realized that remote phone dials in computer control.
6. easy for installation.Do not need existing network infrastructure is adjusted, only LAN-sharing formula phone call/facsimile access device need be installed on the hub or switch of existing local area network (LAN), get final product installing user software additional on each computer in the local area network (LAN).
Description of drawings:
Fig. 1 is an application structure schematic diagram of the present invention;
Fig. 2 is a LAN-sharing formula phone call/facsimile access device building-block of logic;
LAN-sharing formula phone call/facsimile access device building-block of logic when Fig. 3 is multiple phone line;
Fig. 4 is LAN-sharing formula phone call/facsimile access device modulation module building-block of logic when detachable or external;
Fig. 5 is a LAN-sharing formula phone call/facsimile access device outside line incoming call flow chart;
Fig. 6 is a LAN-sharing formula phone call/facsimile access device outside line exhalation flow chart;
Fig. 7 is a LAN-sharing formula phone call/facsimile access device inside line call flow diagram;
Fig. 8 is the LAN-sharing formula phone call/facsimile access device flow chart of receiving faxes;
Fig. 9 is that LAN-sharing formula phone call/facsimile access device sends the fax flow chart;
Figure 10 is that LAN-sharing formula phone call/facsimile access device sends the fax cycle graph;
Figure 11 is the automatic distribution flow figure of LAN-sharing formula phone call/facsimile access device message/fax;
Figure 12 is that message querying flow figure is dialled in the outside line of LAN-sharing formula phone call/facsimile access device;
Figure 13 is that fax querying flow figure is dialled in the outside line of LAN-sharing formula phone call/facsimile access device;
Figure 14 is that user software starts flow chart
Figure 15 is the closing flow path figure of user software
Figure 16 is a user software module flow chart
Embodiment:
Fig. 1 is an application structure schematic diagram of the present invention.The present invention uses LAN-sharing formula phone call/facsimile access device that public telephone network is connected to local area network (LAN), LAN-sharing formula phone call/facsimile access device one end is connected with hub or switch in the local area network (LAN), and an end links to each other with public telephone network by telephone wire.Any computer in the local area network (LAN) carries out information interaction by sharing LAN-sharing formula phone call/facsimile access device and public telephone network.
Fig. 2 illustrates the overall logic structure of LAN-sharing formula phone call/facsimile access device, comprises main controller module U2, modulation module U4, Network Interface Module U3.Main controller module U2 comprises master controller U5, mass storage U7 and basic storage (comprising RAM and Flash ROM) U6.The service data and the equipment configuration parameter in basic storage U6 storage equipment when work, the keeper can be on the local area network (LAN) computer online modification configuration parameter, as the network address of unique identification LAN-sharing formula phone call/facsimile access device in local area network (LAN); The message information database that mass storage U7 deposits the User Information Database of the network address of each network computer of local area network (LAN) and extension corresponding relation, manage user's message, the facsimile message database that telefax is managed and the call information data storehouse that the phone incoming call is breathed out and controlled and manage; Master controller U5 is responsible for the processing such as the speech data of relevant information are compressed, and realizes coordination and control to other modules of equipment: 1. use the state of AT order monitoring modulation module U4, control modulation module U4 realizes information interaction; 2. Control Network interface module U3 is according to the data that requirement sends data on network or acceptance comes automatic network of procotol.Modulation module U4 comprises MODEM chip U9, DAA circuit U 10 and speech codec U8; MODEM chip U9 is responsible for speech recording and reproducing, AT command analysis, data modem, the error control work on modulation, the telephone wire, and communicates by letter with main controller module U2; DAA circuit U 10 provides the interface of modulation module U4 and public telephone network; Speech codec U8 carries out the Code And Decode of voice, and voice full duplex loud speaker speakphone is provided function; Modulation module U4 will give main controller module U2 after the signal demodulation from telephone wire U11, and in the future the data of autonomous controller module U2 through being loaded into after the ovennodulation on the telephone wire U11.Network Interface Module U3 is responsible for carrying out the packing of data and unpacking according to the requirement of procotol, and receiving network data is delivered to main controller module U2 on the one hand, and the data that main controller module U2 is sent here are delivered to network on the one hand.Main controller module U2 control voice and facsimile message flow to, its hardware path is as follows: voice, facsimile message can pass to local area network (LAN) corresponding calculated machine by telephone wire U11, DAA circuit U 10, MODEM chip U9, main controller module U2 and Network Interface Module U3, and voice messaging also can pass to local area network (LAN) corresponding calculated machine by telephone wire U11, DAA circuit U 10, speech codec U8, main controller module U2 and Network Interface Module U3.
Fig. 3 is the building-block of logic of multiple phone line LAN-sharing formula phone call/facsimile access device when inserting, comprise Network Interface Module U3, main controller module U2 and a plurality of modulation module U41, U42 ..., U4n.Each modulation module is separate, and an end links to each other with main controller module U2, and the other end is connected with public telephone network by telephone wire U11.At this moment, LAN-sharing formula phone call/facsimile access device will carry out service dispatching according to the current state of telephone wire.When the user asks, LAN-sharing formula phone call/facsimile access device will be searched idle telephone wire with response user request, then point out custom system busy if all hurry, and please dial after a while again.
The building-block of logic of LAN-sharing formula phone call/facsimile access device comprised Network Interface Module U3, main controller module U2, modulation module U4, interface module U13 and interface module U14 when Fig. 4 was the multiple phone line access.Modulation module U4 can be separated with main controller module U2 and become independent hardware device U12 such as common external voice/fax MODEM etc., thereby has realized detachable or external modulation module.
Fig. 5-Figure 13 shows connecting system to the automatic switching of Inbound Calls, to the automatic distribution of incoming call fax and message and to flow processs such as plugging into automatically of outbound calling/fax.During the outside line incoming call, earlier by the pickup of LAN-sharing formula phone call/facsimile access device, the voice suggestion calling party dials extension, and after LAN-sharing formula phone call/facsimile access device received extension, the voice suggestion calling party selected conversation or facsimile function again.
Fig. 5 shows LAN-sharing formula phone call/facsimile access device outside line incoming call flow chart.As can be seen from the figure, when the outside line incoming call, LAN-sharing formula phone call/facsimile access device prompting user imports extension, judges whether to exist this extension according to the User Information Database of preserving on it then, then do not point out call error, ask on-hook; If exist, then, phone is given to corresponding network computer according to network calculations machine information corresponding to this extension; The callee replys then normal talking, and callee's dont answer then points out calling party callee not exist, and please leave a message or on-hook; If calling party's message, then message temporarily is kept in the message information database.
Fig. 6 is a LAN-sharing formula phone call/facsimile access device outside line exhalation flow chart.When the exhalation outside line, LAN-sharing formula phone call/facsimile access device at first responds the call request from the local area network (LAN) computer, if telephone wire is occupied, then points out custom system just busy, please dials after a while again; If the telephone wire free time, LAN-sharing formula phone call/facsimile access device is normally breathed out according to customer requirements, and the called party replys then normal talking, otherwise prompting user the other side no response.
Fig. 7 is a LAN-sharing formula phone call/facsimile access device inside line call flow diagram.When user another user in local area network (LAN) initiated internal call, user software at first obtained the other side's the network address from local user database according to the other side's extension, made a call to the other side then, if the other side replys then normal talking; Otherwise whether user software prompting user leaves a message, if to the other side's message, user software records message and it is kept at user on the LAN-sharing formula phone call/facsimile access device and leaves a message in the information database; If do not leave a message then on-hook.
Fig. 8 is the LAN-sharing formula phone call/facsimile access device flow chart of receiving faxes.When the fax incoming call, LAN-sharing formula phone call/facsimile access device prompting user imports extension, judges whether to exist this extension according to the User Information Database of preserving on it then, does not then point out call error, asks on-hook; If exist, the complete reception and being kept in the facsimile message database of then will fax earlier, on-hook then according to the network calculations machine information corresponding to this extension of preservation on it, is given to corresponding network computer with fax again; The callee is on the throne then normally to transmit, and callee's then fax not on the throne temporarily is kept on the LAN-sharing formula phone call/facsimile access device.
Fig. 9 shows LAN-sharing formula phone call/facsimile access device and sends the fax flow process.When sending fax, LAN-sharing formula phone call/facsimile access device at first responds the call request from the local area network (LAN) computer, the complete reception and being kept in the facsimile message database of will faxing.If telephone wire is occupied, then fax temporarily leaves on the LAN-sharing formula phone call/facsimile access device, and then is handled by transmission fax circulation process shown in Figure 10; If the telephone wire free time is then called out the fax recipient, the recipient replys then and normally sends, and temporarily leaves on the LAN-sharing formula phone call/facsimile access device otherwise fax, and then is handled by transmission fax circulation process shown in Figure 10.Send and successfully will notify local area network (LAN) computer user fax to send, the fax on the formula of the LAN-sharing simultaneously phone call/facsimile access device will be deleted automatically.
Figure 10 shows LAN-sharing formula phone call/facsimile access device and sends the fax circulation process.When having fax to be sent in the facsimile message database, if line be busy then enters after a while again and sends the fax circulation; If line idle is then selected the highest fax of priority, make a call to the recipient.The other side replys then and normally sends, and facsimile transmission success back this fax of deletion from database continues whether to exist in the Query Database fax to be sent then; The other side's no response then enters after a while again and sends the fax circulation.
Figure 11 is the automatic distribution flow figure of LAN-sharing formula phone call/facsimile access device message/fax.User software is when starting operation and closing, will be from trend LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, LAN-sharing formula phone call/facsimile access device prompting user also will leave a message/fax and send to the user one by one; If there is no, then point out the user not message/fax.In software running process, the user also can inquire about message and fax situation at any time.
Figure 12 is that message querying flow figure is dialled in the outside line of LAN-sharing formula phone call/facsimile access device.When user outline is dialled in the inquiry message, LAN-sharing formula phone call/facsimile access device prompting user imports extension and personal identification number, judge whether that according to the User Information Database of preserving on it correctly, the personal identification number mistake is then pointed out in twice input error, asks on-hook then; Checking is passed through, if this user's message is arranged, then imports according to the user and plays message; Otherwise the current not message of prompting user is asked on-hook.
Figure 13 is that fax querying flow figure is dialled in the outside line of LAN-sharing formula phone call/facsimile access device.When user outline is dialled in the inquiry fax, LAN-sharing formula phone call/facsimile access device prompting user imports extension and personal identification number, judge whether that according to the User Information Database of preserving on it correctly, the personal identification number mistake is then pointed out in twice input error, asks on-hook then; Checking is passed through, if this user's fax is arranged, the fax number of then pointing out the user to import appointment arrives this destination with facsimile transmission then; Otherwise the current not fax of prompting user is asked on-hook.
Figure 14-16 shows the workflow of user software.On the local area network (LAN) computer user software is installed, facsimile message database and this user-defined phonebook database depositing message information database that this user message is managed on it, this telefax is managed.The user can come to register user profile, to breathe out or receive calls, send or receive faxes, extract the message or fax etc. to LAN-sharing formula phone call/facsimile access device by run user software on the local area network (LAN) computer.User software will pass update user information down from LAN-sharing formula phone call/facsimile access device when starting operation, with inside line/fax of carrying out the local area network (LAN) internal staff alternately.And when the user profile on LAN-sharing formula phone call/facsimile access device has change, system will point out the user to pass update user information down.To the configuration of system parameters, device parameter, and control and leading subscriber are that the keeper passes through the user software canbe used on line on the local area network (LAN) computer to the authority of LAN-sharing formula phone call/facsimile access device.
Figure 14 shows user software and starts flow process.User software is when starting operation, at first the mode with broadcasting proposes register requirement to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this register requirement, make and replying, and this user of sign is online in the User Information Database of self, simultaneously the self networks address is returned to user software, user software receives all and replys, according to the number and the network address thereof of LAN-sharing formula phone call/facsimile access device in the response message recognition system; User software is to wherein any one LAN-sharing formula phone call/facsimile access device transmission request then, user profile data on the LAN-sharing formula phone call/facsimile access device are downloaded in the local user's information database of oneself, make things convenient for the calling of inside line; Next to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, and note checking and accepting; If there is no, then point out the user not message/fax; So far, user software finishes startup, enters the background work state.
Figure 15 shows the user software closing flow path.When user software will close, at first to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, note checking and accepting; If there is no or check and accept and finish, then file a request to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this request, make and replying, and this user of sign is not online in the User Information Database of self; So far, user software finishes the pass closed procedure;
Figure 16 shows user software module flow process.As can be seen from the figure, user software mainly is divided into five big modules: dial sending module, answer receiver module, enquiry module, local management configuration module, system management configuration module.Dialing sending module is responsible for the user and dials the internal and external line phone and send fax, answering receiver module is responsible for receiving calls and receiving faxes, enquiry module is responsible for inquiry message/fax, the local management configuration module is responsible for the local user, fax, message, the user software of the management of phone incoming call exhalation information database and user individual configuration oneself, the system management configuration module person of being in charge of is to the user on the LAN-sharing formula phone call/facsimile access device, fax, message, the parameter configuration of the management of phone incoming call exhalation information database and LAN-sharing formula phone call/facsimile access device.The basic procedure of 5 modules is:
1. dial sending module: when the user desired to call or send fax, if inside line, then user software made a call to the other side according to local user's information database; If the outside line fax, then user software sends fax request and fax to LAN-sharing formula phone call/facsimile access device; If outside line, then user software sends call request to LAN-sharing formula phone call/facsimile access device, receives from setting up conversation behind the request-reply of LAN-sharing formula phone call/facsimile access device;
2. answer receiver module: when the user is called out, if fax, then will fax earlier complete reception and be kept at local facsimile message database of user software, the bullet screen points out the user to check and accept fax then; If phone, whether then bullet screen prompting user has incoming call, reply; If user answer, then normally receive calls or check fax; If user's dont answer then shows missed call or new fax, note checking message or fax;
3. enquiry module: when user inquiring fax/message, user software will send query requests to each LAN-sharing formula phone call/facsimile access device successively, and receive the Query Result that special equipment returns, to leave a message and fax and be kept at respectively in local message or the facsimile message database, up to having inquired about all LAN-sharing formula phone call/facsimile access devices; Then Query Result is reported to the user, checked and accepted fax or message by the user;
4. local management configuration module: when the user need manage and dispose local user's software, user software at first shows local parameter configuration, user profile, message information, facsimile message, phone incoming call outgoing record property pages, the user makes configuration and revises in each property pages, configuration modification finishes, if the user abandons revising, then do not make an amendment, user software enters background operation state; If the user confirms to revise, then modification is write local user, fax, message, phone incoming call exhalation information database and user software Parameter File, user software enters background operation state then;
5. system management configuration module: at first require input manager person account and password,, then be prohibited from entering the system management configuration module if checking is not passed through; If checking is passed through, then show the configuration of LAN-sharing formula phone call/facsimile access equipment parameter, user profile, message information, facsimile message, phone incoming call outgoing record property pages, make configuration and modification by the keeper, configuration modification finishes, if the keeper abandons revising, then do not make an amendment, user software enters background operation state; If the keeper confirms to revise, then send the request of modification to LAN-sharing formula phone call/facsimile access device, modification is write user, fax, message, phone incoming call exhalation information database and device parameter district on the LAN-sharing formula phone call/facsimile access device, and user software enters background operation state then.
The present invention is primarily aimed at company and enterprise, the scientific research institutions that set up local area network (LAN), a kind of equipment that on functional plane voice, facsimile service is merged is provided, utilize the present invention to be connected telephone network and computer network are organic, make full use of the relevant phone and the corresponding function of computer, use for commerce and bring practical interests.The above; only be preferred embodiment of the present invention, the interest field that the present invention advocated is not limited thereto, and the professional and technical personnel under this area is according to the disclosed technology contents of the present invention; the equivalence that can expect easily changes and expansion, all should not break away from protection scope of the present invention.Therefore, specification and accompanying drawing are considered to have descriptive sense and do not have restrictive, sense.
Claims (10)
1. LAN-sharing formula phone call/facsimile connecting system, it comprises the local area network (LAN) computer, hub or switch, transmission line is characterized in that: it also comprises LAN-sharing formula phone call/facsimile access device and the user software that is installed on the local area network (LAN) computer; LAN-sharing formula phone call/facsimile access device is connected with hub or switch in the local area network (LAN) by the self networks interface, and link to each other with public telephone network by telephone wire, on the computer in the local area network (LAN) user software is installed, and is all linked to each other with hub/network switch.
2. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described LAN-sharing formula phone call/facsimile access device is by main controller module (U2), modulation module (U4), Network Interface Module (U3) is formed, modulation module (U4) end links to each other with telephone wire (U11), one end links to each other with main controller module (U2), main controller module (U2) end links to each other with modulation module (U4), one end links to each other with Network Interface Module (U3), Network Interface Module (U3) end links to each other with main controller module (U2), and an end links to each other with local network hub or switch; The transmission of the distribution of the switching of curing special-purpose software control phone, fax and message, fax and phone, fax in the main controller module (U2).
3. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1 is characterized in that: described main controller module (U2) comprises master controller (U5), mass storage (U7) and basic storage (comprising RAM and Flash ROM) (U6); The service data and the equipment configuration parameter in basic storage (U6) storage equipment when work, the keeper can be on the local area network (LAN) computer online modification configuration parameter, as the network address of unique identification LAN-sharing formula phone call/facsimile access device in local area network (LAN); The message information database that mass storage (U7) deposits the User Information Database of the network address of each network computer of local area network (LAN) and extension corresponding relation, manage user's message, the facsimile message database that telefax is managed and the call information data storehouse that the phone incoming call is breathed out and controlled and manage; Master controller (U5) is responsible for the processing such as the speech data of relevant information are compressed, and realizes coordination and control to other modules of equipment: 1. use the state of AT order monitoring modulation module (U4), control modulation module (U4) realizes information interaction; 2. Control Network interface module (U3) is according to the data that requirement sends data on network or acceptance comes automatic network of procotol.
4. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1 is characterized in that: described modulation module (U4) comprises MODEM chip (U9), DAA circuit (U10) and speech codec (U8); MODEM chip (U9) is responsible for speech recording and reproducing, AT command analysis, data modem, the error control work on modulation, the telephone wire, and communicates by letter with main controller module (U2); DAA circuit (U10) provides the interface of modulation module (U4) with public telephone network; Speech codec (U8) is carried out the Code And Decode of voice, and voice full duplex loud speaker speakphone is provided function; Modulation module (U4) will be given main controller module (U2) after the signal demodulation from telephone wire (U11), and the data of autonomous controller module in future (U2) are through being loaded into after the ovennodulation on the telephone wire (U11).
5. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described main controller module (U2) control voice and facsimile message flow to, its hardware path is as follows: voice, facsimile message can pass through telephone wire (U11), DAA circuit (U10), MODEM chip (U9), main controller module (U2) and Network Interface Module (U3) pass to local area network (LAN) corresponding calculated machine, and voice messaging also can pass through telephone wire (U11), DAA circuit (U10), speech codec (U8), main controller module (U2) and Network Interface Module (U3) pass to local area network (LAN) corresponding calculated machine.
6. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described special-purpose software is solidificated in the main controller module (U2), realize to Inbound Calls/fax automatic switching, to the plugging into automatically of outbound calling/fax, to incoming call fax and the inquiry of leaving a message with distribute automatically and to the control of main controller module memory space:
(6.1) during outside line/fax incoming call, earlier by the pickup of LAN-sharing formula phone call/facsimile access device, the voice suggestion calling party dials extension, and after access device received extension, the voice suggestion calling party selected conversation or facsimile function again.
(6.2) when the outside line incoming call, the prompting user imports extension, judges whether to exist this extension according to User Information Database then, does not then point out call error, asks on-hook; If exist, then, phone is given to corresponding network computer according to network calculations machine information corresponding to this extension; The callee replys then normal talking, and callee's dont answer then points out calling party callee not exist, and please leave a message or on-hook; If calling party's message, then message temporarily is kept in the message information database;
(6.3) when the fax incoming call, the prompting user imports extension, judges whether to exist this extension according to User Information Database then, does not then point out call error, asks on-hook; If exist, the complete reception and being kept in the facsimile message database of then will fax earlier, on-hook then according to the network calculations machine information corresponding to this extension of preservation on it, is given to corresponding network computer with fax again; The callee is on the throne then normally to transmit, and callee's then fax not on the throne temporarily is kept in the facsimile message database;
(6.4) when the exhalation outside line, at first respond call request,, then point out custom system just busy, please dial again after a while if telephone wire is occupied from the local area network (LAN) computer; If the telephone wire free time, access device is normally breathed out according to customer requirements, and the called party replys then normal talking, otherwise prompting user the other side no response;
When (6.5) sending fax, at first respond call request, the complete reception and being kept in the facsimile message database of will faxing from the local area network (LAN) computer; If telephone wire is occupied, then fax temporarily leaves in the facsimile message database, handles by sending the fax circulation process then; If the telephone wire free time is then called out the fax recipient, the recipient replys then and normally sends, and temporarily leaves in the facsimile message database otherwise fax, and handles by sending the fax circulation process then; Send and successfully will notify local area network (LAN) computer user fax to send, the fax on the formula of the LAN-sharing simultaneously phone call/facsimile access device will be deleted automatically; Sending the fax circulation process is: when having fax to be sent in the facsimile message database, if line be busy then enters after a while again and sends the fax circulation; If line idle is then selected the highest fax of priority, make a call to the recipient; The other side replys then and normally sends, and facsimile transmission success back this fax of deletion from database continues whether to exist in the Query Database fax to be sent then; The other side's no response then enters after a while again and sends the fax circulation;
(6.6) user can leave a message and fax to the utility model inquiry by the local area network (LAN) computer at any time, if there is message/fax of this user, the utility model prompting user will leave a message/fax and extract one by one; If there is no, then point out the user not message/fax;
When (6.7) user outline is dialled in inquiry message or fax, the prompting user imports extension and personal identification number, judges whether correctly according to the User Information Database of preserving on it then, and mistake input number of times surpasses to set to be put, then point out the personal identification number mistake, ask on-hook; Checking is passed through, if this user's message is arranged, then imports according to the user and plays message, if this user's fax is arranged, the fax number of then pointing out the user to import appointment arrives this destination with facsimile transmission then; Otherwise current not message of prompting user or fax are asked on-hook;
(6.8) when the big storage capacity device of main controller module is used up, the deletions of will leaving a message or fax such as condition that special-purpose software will be set by the user such as time conditions, a perhaps optional local area network (LAN) computer forwards message or fax partial content to this computer on by imposing a condition, after device to be stored has enough spaces, again with the content retrieval that produces.
7. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described modulation module (U4) can be designed to a plurality of, each modulation module is separate, one end links to each other with main controller module, the other end is connected with public telephone network by telephone wire, and multiple phone line (different telephone number) can insert simultaneously; LAN-sharing this moment formula phone call/facsimile access device will carry out service dispatching according to the current state of telephone wire; When the user asks, access device will be searched idle telephone wire with response user request.
8. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described modulation module (U4) also can be between main controller module and modulation module design interface, make modulation module (U4) become detachable or external.
9. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: described system supports a plurality of LAN-sharing formula phone call/facsimile access devices to insert simultaneously, their network address is different, and the cut-in method of each LAN-sharing formula phone call/facsimile access device is identical.
10. LAN-sharing formula phone call/facsimile connecting system as claimed in claim 1, it is characterized in that: on the described local area network (LAN) computer user software is installed, facsimile message database and this user-defined phonebook database depositing message information database that this user message is managed on it, this telefax is managed; The user can come to register user profile, breathe out or receive calls, send or receive faxes, extract the message or fax to LAN-sharing formula phone call/facsimile access device by run user software; User software will pass update user information down from LAN-sharing formula phone call/facsimile access device when starting operation, with inside line/fax of carrying out the local area network (LAN) internal staff alternately; When the user profile on the LAN-sharing formula phone call/facsimile access device has change, system will point out the user to pass update user information down; The keeper can pass through the user software canbe used on line system parameters on the local area network (LAN) computer, the configuration of LAN-sharing formula phone call/facsimile access equipment parameter, and control and leading subscriber LAN-sharing formula phone call/facsimile access device;
(10.1) user software is when starting operation, at first the mode with broadcasting proposes register requirement to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this register requirement, make and replying, and this user of sign is online in the User Information Database of self, simultaneously the self networks address is returned to user software, user software receives all and replys, according to the number and the network address thereof of LAN-sharing formula phone call/facsimile access device in the response message recognition system; User software is to wherein any one LAN-sharing formula phone call/facsimile access device transmission request then, user profile data on the LAN-sharing formula phone call/facsimile access device are downloaded in the local user's information database of oneself, make things convenient for the calling of inside line; Next to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, and note checking and accepting; If there is no, then point out the user not message/fax; So far, user software finishes startup, enters the background work state;
(10.2) when user software will close, at first to LAN-sharing formula phone call/facsimile access device inquiry message and fax, if there is message/fax of this user, user software will leave a message/fax and download in local user's message/facsimile message database, and point out the user that message/fax is arranged, note checking and accepting; If there is no or check and accept and finish, then file a request to LAN-sharing formula phone call/facsimile access device, at this time all the LAN-sharing formula phone call/facsimile access devices in the local area network (LAN) will respond this request, make and replying, and this user of sign is not online in the User Information Database of self; So far, user software finishes the pass closed procedure;
(10.3) user software mainly is divided into five big modules: dial sending module, answer receiver module, enquiry module, local management configuration module, system management configuration module; Dialing sending module is responsible for the user and dials the internal and external line phone and send fax, answering receiver module is responsible for receiving calls and receiving faxes, enquiry module is responsible for inquiry message/fax, the local management configuration module is responsible for the local user, fax, message, the user software of the management of phone incoming call exhalation information database and user individual configuration oneself, the system management configuration module person of being in charge of is to the user on the LAN-sharing formula phone call/facsimile access device, fax, message, the parameter configuration of the management of phone incoming call exhalation information database and LAN-sharing formula phone call/facsimile access device.The basic procedure of 5 modules is:
1. dial sending module: when the user desired to call or send fax, if inside line, then user software made a call to the other side according to local user's information database; If the outside line fax, then user software sends fax request and fax to LAN-sharing formula phone call/facsimile access device; If outside line, then user software sends call request to LAN-sharing formula phone call/facsimile access device, receives from setting up conversation behind the request-reply of LAN-sharing formula phone call/facsimile access device;
2. answer receiver module: when the user is called out, if fax, then will fax earlier complete reception and be kept at local facsimile message database of user software, the bullet screen points out the user to check and accept fax then; If phone, whether then bullet screen prompting user has incoming call, reply; If user answer, then normally receive calls or check fax; If user's dont answer then shows missed call or new fax, note checking message or fax;
3. enquiry module: when user inquiring fax/message, user software will send query requests to each LAN-sharing formula phone call/facsimile access device successively, and receive the Query Result that special equipment returns, to leave a message and fax and be kept at respectively in local message or the facsimile message database, up to having inquired about all LAN-sharing formula phone call/facsimile access devices; Then Query Result is reported to the user, checked and accepted fax or message by the user;
4. local management configuration module: when the user need manage and dispose local user's software, user software at first shows local parameter configuration, user profile, message information, facsimile message, phone incoming call outgoing record property pages, the user makes configuration and revises in each property pages, configuration modification finishes, if the user abandons revising, then do not make an amendment, user software enters background operation state; If the user confirms to revise, then modification is write local user, fax, message, phone incoming call exhalation information database and user software Parameter File, user software enters background operation state then;
5. system management configuration module: at first require input manager person account and password,, then be prohibited from entering the system management configuration module if checking is not passed through; If checking is passed through, then show the configuration of LAN-sharing formula phone call/facsimile access equipment parameter, user profile, message information, facsimile message, phone incoming call outgoing record property pages, make configuration and modification by the keeper, configuration modification finishes, if the keeper abandons revising, then do not make an amendment, user software enters background operation state; If the keeper confirms to revise, then send the request of modification to LAN-sharing formula phone call/facsimile access device, modification is write user, fax, message, phone incoming call exhalation information database and device parameter district on the LAN-sharing formula phone call/facsimile access device, and user software enters background operation state then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02113937 CN1361611A (en) | 2002-01-28 | 2002-01-28 | LAN shared telephone/facsimile access system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02113937 CN1361611A (en) | 2002-01-28 | 2002-01-28 | LAN shared telephone/facsimile access system |
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| CN1361611A true CN1361611A (en) | 2002-07-31 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547040A (en) * | 2012-02-08 | 2012-07-04 | 北京鼎普科技股份有限公司 | Method and system for faxing through fax server |
| CN103079023A (en) * | 2013-01-03 | 2013-05-01 | 常州洪荒谷电子科技有限公司 | Adapter, computer phone with adapter, and working method thereof |
| CN104463557A (en) * | 2014-11-12 | 2015-03-25 | 天津光电通信技术有限公司 | File precedence reminding system and method |
| CN105306780A (en) * | 2015-11-11 | 2016-02-03 | 天津光电通信技术有限公司 | Notification system and notification method for file grading treatment |
-
2002
- 2002-01-28 CN CN 02113937 patent/CN1361611A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102547040A (en) * | 2012-02-08 | 2012-07-04 | 北京鼎普科技股份有限公司 | Method and system for faxing through fax server |
| CN103079023A (en) * | 2013-01-03 | 2013-05-01 | 常州洪荒谷电子科技有限公司 | Adapter, computer phone with adapter, and working method thereof |
| CN104463557A (en) * | 2014-11-12 | 2015-03-25 | 天津光电通信技术有限公司 | File precedence reminding system and method |
| CN105306780A (en) * | 2015-11-11 | 2016-02-03 | 天津光电通信技术有限公司 | Notification system and notification method for file grading treatment |
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