CN102045464B - Method and device for realizing called relay in telecommunication access network - Google Patents
Method and device for realizing called relay in telecommunication access network Download PDFInfo
- Publication number
- CN102045464B CN102045464B CN200910180460.6A CN200910180460A CN102045464B CN 102045464 B CN102045464 B CN 102045464B CN 200910180460 A CN200910180460 A CN 200910180460A CN 102045464 B CN102045464 B CN 102045464B
- Authority
- CN
- China
- Prior art keywords
- line unit
- type user
- module
- user line
- codec module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a method and a device for realizing a calling relay, and a method and a device for realizing a called relay in a telecommunication access network. A central processing unit (CPU) module reads and controls the state of each interface through a codec module; the codec module self-exchanges voice signals, which correspond to a user line, in a foreign exchange office (FXO) user line unit and a foreign exchange station (FXS) user line unit; the FXO user line unit is connected with an access network analogy line card (ALC); and the FXS user line unit is connected with user terminal equipment. The uplink data channel of the codec module in the device is not connected to exchange equipment but data exchange is directly performed in the codec module, so the device has high operability. The functions of a calling party relay and a called party relay are realized with low system operation and maintenance cost, the coverage area of the user line is enlarged, and resource waste is reduced; and the coverage area of the user line also can be increased in a cascading mode by an extension interface module, and the covering power of system equipment is further improved.
Description
Technical field
The present invention relates to the telecommunication network technology field, relate in particular to the method and apparatus that a kind of telecommunications access network is realized the calling and called relaying.
Background technology
Existing telecommunication network system, existing significantly increase on scale and complexity, the different telecommunications service demand proposed to meet different user.In order to reduce buying, O&M cost, telecommunication network system constantly strengthens integrated level, by the system miniaturization, in unit space, can support more number of users.Due to the reduction of cost, communication network gradually move towards small towns, rural area from city, backwoodsman user increases becomes the telecommunications new growth point.
Existing public switched telephone network PSTN comprises core net and Access Network, because subscriber's line quantity is huge, in general the Access Network side can be on user's veneer the consistent subscriber's line of integrated multipath function, this piece user veneer is called Access Network ALC (Analogy Line Card, the analog line plate), user's veneer of difference in functionality is provided for different user's requests, and the integrated level and the configurability that improve system with this, meet user's multiple demand.
Different from city, rural area and backwoodsman user, because the user comparatively disperses, brought a lot of inconvenience to the access of telecommunication network system, wherein matter of utmost importance is that the user distance Access Network is different in size, if use the domestic consumer's plate generally used in city, because it does not support long-distance transmissions, some distant user can't normally use; Having if use the high feed user plate of supporting the remote subscriber, will cause the increase of circuit O&M cost, is a kind of waste of system resource to non-remote subscriber, causes the cost of operator to increase.And in some situation because fraction user distance access point is very far away, support remote subscriber's high feed user plate still can't cover.
Summary of the invention
The technical problem to be solved in the present invention is, the method and apparatus that provides a kind of telecommunications access network to realize the calling and called relaying, with the extend one's service coverage of circuit of lower system O&M cost, reduces the wasting of resources and workable simultaneously.
The technical solution used in the present invention is that described telecommunications access network is realized the method for caller relaying, comprising:
The first line of a couplet of CODEC module is sent to data channel to be docked with first line of a couplet reception data channel, the CPU module is carried out initialization to the CODEC module, FXO (Foreign Exchange Office, FXO) in type user line unit and FXS (Foreign Exchange Station, FXS) type user line unit, the voice signal of respective user circuit carries out self-exchange;
The CODEC module detects the state of the FXS type user line unit interface be connected with the calling subscriber, when the user having been detected and set out machine, reports the CPU module;
The CPU module is controlled the FXO type user line unit interface analog subscriber dislodging machine be connected with Access Network ALC by CODEC.
Describedly the first line of a couplet of CODEC module is sent to data channel and the first line of a couplet receive data channel and dock and comprise: by the reception data channel pin DR of CODEC module and transmission data channel pin DX short circuit.
Described CPU module is carried out initialization to the CODEC module and is comprised: the transmission data slot of FXO type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and at the first line of a couplet of CODEC module, receives reception data slot corresponding on data channel, and the transmission data slot of FXS type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXO type user line unit corresponding reception data slot on the first line of a couplet reception data channel of CODEC module.
In described FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange and comprises:
Analog voice signal from FXS type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXO type user line unit;
Analog voice signal from FXO type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXS type user line unit.
The present invention also provides a kind of telecommunications access network to realize the method for called relaying, comprising:
The first line of a couplet of CODEC module is sent to data channel and dock with first line of a couplet reception data channel, the CPU module is carried out initialization to the CODEC module, and in FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange;
The CODEC module detects the state of the FXO type user line unit interface be connected with Access Network ALC, reports the CPU module when called subscriber's ring having been detected;
The FXS type user line unit interface that the CPU module is connected with the called subscriber by the CODEC module controls is to called subscriber's ring.
The present invention also provides a kind of telecommunications access network to realize the device of caller relaying, comprising:
The CPU module, for the CODEC module is carried out to initialization, the FXO type user line unit interface analog subscriber dislodging machine be connected with Access Network ALC by the CODEC module controls;
The CODEC module, carry out self-exchange for the voice signal to FXO type user line unit and FXS type user line unit respective user circuit, by FXS type user line unit, detect the state of the FXS type user line unit interface be connected with subscriber terminal equipment and report the CPU module;
FXO type user line unit, for transmission of speech signals, and under the control of CPU module to Access Network ALC analog subscriber dislodging machine.
FXS type user line unit, for transmission of speech signals, be the normal feed of subscriber terminal equipment, and the state of the FXS type user line unit interface that is connected with subscriber terminal equipment of detection.
Described CPU module is carried out initialization to the CODEC module and is comprised: FXS type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module at the first line of a couplet of CODEC module, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.
Described CODEC module further comprises:
Data conversion module, for carrying out analog-to-digital conversion and digital-to-analogue conversion to voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and dock with first line of a couplet reception data channel, carries out transfer of data.
As a kind of preferred technical scheme, this device further comprises:
Expansion connection module, for by inserting the mode extending user terminal equipment quantity of CODEC module, FXO type user line unit and FXS type user line unit thereon.
The present invention also provides a kind of telecommunications access network to realize the device of called relaying, comprising:
The CPU module, for the CODEC module is carried out to initialization, the FXS type user line unit be connected with subscriber terminal equipment by the CODEC module controls is to the subscriber terminal equipment ring;
The CODEC module, carry out self-exchange for the voice signal to FXO type user line unit and FXS type user line unit respective user circuit, by FXO type user line unit, detect the state of the FXO type user line unit interface be connected with Access Network ALC and report the CPU module;
FXO type user line unit, for transmission of speech signals, and the state of the FXO type user line unit interface that is connected with Access Network ALC of detection.
FXS type user line unit, for transmission of speech signals, be the normal feed of subscriber terminal equipment, and under the control of CPU module to the subscriber terminal equipment ring.
Described CPU module is carried out initialization to the CODEC module and is comprised: FXS type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module at the first line of a couplet of CODEC module, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.
Described CODEC module further comprises:
Data conversion module, for carrying out analog-to-digital conversion and digital-to-analogue conversion to voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and dock with first line of a couplet reception data channel, carries out transfer of data.
As the preferred technical scheme of another kind, this device further comprises power module, is used to FXS type user line unit, CODEC module and CPU module for power supply.
Adopt technique scheme, the present invention at least has following advantages:
Telecommunications access network of the present invention is realized the method and apparatus of calling and called relaying, by the CODEC module, the state to each interface is read and is controlled the CPU module, the CODEC module is carried out self-exchange to the voice signal of respective user circuit in FXO type user line unit and FXS type user line unit, the first line of a couplet data channel of the CODEC module in this device is not connected to switching equipment, but directly in the CODEC inside modules, carry out exchanges data, there is good operability.FXO type user line unit is connected with Access Network ALC, FXS type user line unit is connected with subscriber terminal equipment, and can provide normal feed for subscriber terminal equipment, the present invention has realized the function of caller and called users relaying with lower system O&M cost, enlarge the coverage of subscriber's line, reduced the wasting of resources simultaneously.
Can also increase the subscriber's line coverage in the mode of cascade by expansion connection module, further improve the covering power of system equipment.
The accompanying drawing explanation
Fig. 1 is the device schematic diagram that the described telecommunications access network of first embodiment of the invention is realized the caller relaying;
Fig. 2 is the device schematic diagram that the described telecommunications access network of second embodiment of the invention is realized called relaying;
Fig. 3 is the device schematic diagram that the described telecommunications access network of third embodiment of the invention is realized the calling and called relaying;
Fig. 4 is the method flow diagram that the described telecommunications access network of fourth embodiment of the invention is realized the caller relaying;
Fig. 5 is the method flow diagram that the described telecommunications access network of fourth embodiment of the invention is realized called relaying.
Embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, the described telecommunications access network that the present invention is proposed is realized the method and apparatus of calling and called relaying, is described in detail as follows.
First embodiment of the invention, as shown in Figure 1, a kind of telecommunications access network is realized the device of caller relaying, comprises CPU module, CODEC module, FXO type user line unit and FXS type user line unit, and the present embodiment adopts external power supply for each part power supply in this device.The CODEC module is connected with FXS type user line unit with FXO type user line unit respectively by balance of voltage network, and the CPU module is connected by serial control interface with the CODEC module.
The CPU module is carried out initialization to the CODEC module, concrete, the mode configured by software sends at the first line of a couplet of CODEC module the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module by FXS type user line unit, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.When the calling subscriber sets out machine, FXO type user line unit interface that the CPU module is connected with Access Network ALC by the CODEC module controls simulation calling subscriber machine of seting out;
The CODEC module, for detecting with the state of the FXS type user line unit interface of call subscriber terminal equipment connection by FXS type user line unit and reporting the CPU module, and the voice signal of respective user circuit in FXO type user line unit and FXS type user line unit is carried out to self-exchange, the process of self-exchange relates to data conversion module, time slot allocation module and the collaborative work of data channel transport module in the CODEC module, concrete:
Data conversion module, sample and obtain audio digital signals for the analog voice signal to from FXS type user line unit or FXO type user line unit, converts the audio digital signals after time slot allocation to analog voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by different calling subscribers' audio digital signals and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and receive data channel with the first line of a couplet and dock, carries out transfer of data, specifically by by the reception data channel pin DR of CODEC module and the realization of transmission data channel pin DX short circuit.
FXO type user line unit docks with the subscriber's line in Access Network ALC by A Wire/B Wire, and FXO type user line unit is passive device, and for transmission of speech signals, its subscriber's line does not have feed.When the calling subscriber sets out machine, FXO type user line unit under the control of CPU module to the Access Network ALC simulation calling subscriber machine of seting out.
FXS type user line unit is connected with call subscriber terminal equipment by A Wire/B Wire, be used to the normal feed of call subscriber terminal equipment, for transmission of speech signals, and the state of the FXS type user line unit interface of detection and call subscriber terminal equipment connection, comprise the states such as off-hook and on-hook.FXS type user line unit can provide 7 kinds of functions of basic analog subscriber line circuit, comprises the functions such as overvoltage protection to the user terminal feed, ring, supervision, encoding and decoding, mixing, test.
Power module, be used to FXS type user line unit, CODEC module and CPU module for power supply.
Preferably, this device also comprises:
Expansion connection module, expand the call subscriber terminal number of devices for the mode by inserting CODEC module, FXO type user line unit and FXS type user line unit thereon.
Second embodiment of the invention, as shown in Figure 2, a kind of telecommunications access network is realized the device of called relaying, comprise CPU module, CODEC module, FXO type user line unit, FXS type user line unit and power module, the present embodiment adopts power module for each part power supply in this device, is the supply power mode that is different from the first embodiment.The CODEC module is connected with FXS type user line unit with FXO type user line unit respectively by balance of voltage network, and the CPU module is connected by serial control interface with the CODEC module.
The CPU module is carried out initialization to the CODEC module, concrete, the mode configured by software is connected to FXO type user line unit by the transmission data slot of FXS type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module and receives reception data slot corresponding on data channel at the first line of a couplet of CODEC module, and the first line of a couplet in the CODEC module that correspondence transmission data slot on the first line of a couplet in the CODEC module of FXO type user line unit transmission data channel is connected to FXS type user line unit receives corresponding reception data slot on data channel.When Access Network ALC ring, the CPU module is passed through the FXS type user line unit of CODEC module controls and called user terminal equipment connection to the ring of called user terminal equipment;
The CODEC module, for by FXO type user line unit, detecting the state of the FXO type user line unit interface be connected with Access Network ALC and report the CPU module, and the voice signal of respective user circuit in FXO type user line unit and FXS type user line unit is carried out to self-exchange, the process of self-exchange relates to data conversion module, time slot allocation module and the collaborative work of data channel transport module in the CODEC module, concrete:
Data conversion module, sample and obtain audio digital signals for the analog voice signal to from FXS type user line unit or FXO type user line unit, converts the audio digital signals after time slot allocation to analog voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and receive data channel with the first line of a couplet and dock, carries out transfer of data, specifically by by the reception data channel pin DR of CODEC module and the realization of transmission data channel pin DX short circuit.
FXO type user line unit docks with the subscriber's line in Access Network ALC by A Wire/B Wire, for detection of the state of the FXO type user line unit interface be connected with Access Network ALC.
FXS type user line unit is connected with called user terminal equipment by A Wire/B Wire, is used to the normal feed of called user terminal equipment, when Access Network ALC ring, FXS type user line unit under the control of CPU module to the ring of called user terminal equipment.
Preferably, this device also comprises:
Power module, be used to FXS type user line unit, CODEC module and CPU module for power supply.
Preferably, this device also comprises:
Expansion connection module, expand the called user terminal number of devices for the mode by inserting CODEC module, FXO type user line unit and FXS type user line unit thereon.
Third embodiment of the invention, as shown in Figure 3, a kind of telecommunications access network is realized the system of calling and called relaying, comprising: CPU module, CODEC module, FXO type user line unit and FXS type user line unit, the present embodiment adopts external power supply for each part power supply in this device.The CODEC module is connected with FXS type user line unit with FXO type user line unit respectively by balance of voltage network, and the CPU module is connected by serial control interface with the CODEC module.
The CPU module is carried out initialization to the CODEC module, concrete, the mode configured by software sends at the first line of a couplet of CODEC module the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module by FXS type user line unit, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.When the user sets out machine, the FXO type user line unit interface analog subscriber dislodging machine that the CPU module is connected with Access Network ALC by the CODEC module controls; When Access Network ALC ring, the CPU module is passed through the FXS type user line unit of CODEC module controls and called user terminal equipment connection to the ring of called user terminal equipment;
The CODEC module, for by FXS type user line unit, detecting the state of the FXS type user line unit interface be connected with subscriber terminal equipment and report the CPU module, detect the state of the FXO type user line unit interface be connected with Access Network ALC and report the CPU module by FXO type user line unit, and the voice signal of respective user circuit in FXO type user line unit and FXS type user line unit is carried out to self-exchange, the process of self-exchange relates to the data conversion module in the CODEC module, time slot allocation module and the collaborative work of data channel transport module, concrete:
Data conversion module, sample and obtain audio digital signals for the analog voice signal to from FXS type user line unit or FXO type user line unit, converts the audio digital signals after time slot allocation to analog voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and receive data channel with the first line of a couplet and dock, carries out transfer of data, specifically by by the reception data channel pin DR of CODEC module and the realization of transmission data channel pin DX short circuit.
FXO type user line unit docks with the subscriber's line in Access Network ALC by A Wire/B Wire, detects the state of the FXO type user line unit interface be connected with Access Network ALC.When the user sets out machine, FXO type user line unit under the control of CPU module to Access Network ALC analog subscriber dislodging machine.
FXS type user line unit is connected with call subscriber terminal equipment by A Wire/B Wire, is used to the normal feed of call subscriber terminal equipment, and the state of the FXS type user line unit interface of detection and call subscriber terminal equipment connection, comprise the states such as off-hook and on-hook.When Access Network ALC ring, FXS type user line unit under the control of CPU module to the ring of called user terminal equipment.FXS type user line unit can also provide 7 kinds of functions of basic analog subscriber line circuit, comprises the functions such as overvoltage protection to the user terminal feed, ring, supervision, encoding and decoding, mixing, test.
Fourth embodiment of the invention, as shown in Figure 4, a kind of telecommunications access network is realized the method for caller relaying, comprises the steps:
Step s101, the first line of a couplet of CODEC module is sent to data channel receive data channel with the first line of a couplet and dock, specifically by by the reception data channel pin DR of CODEC module and the realization of transmission data channel pin DX short circuit.
Step s102, the CPU module is carried out initialization to the CODEC module, concrete, the mode configured by software sends at the first line of a couplet of CODEC module the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module by FXS type user line unit, FXO type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXS type user line unit in the CODEC module at the first line of a couplet of CODEC module.
In step s103, FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange, specifically comprises:
Analog voice signal from FXS type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXO type user line unit;
Analog voice signal from FXO type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXS type user line unit.
Step s104, CODEC module detect the state of the FXS type user line unit interface be connected with the calling subscriber, when user's off-hook having been detected, report the CPU module, because the CODEC module is that variation by detecting electric current between A Wire/B Wire judges whether off-hook of user, and the user also can produce the variation of electric current between A Wire/B Wire while from conversation, transferring on-hook to, the CODEC module can also detect the user and transfer the state of on-hook from conversation to, and report the CPU module, afterwards, the FXO type user line unit interface analog subscriber on-hook that the CPU module can be connected with Access Network ALC by the CODEC module controls, because this content is not the emphasis that telecommunications access network of the present invention is realized the method for caller relaying, and principle is identical with the analog subscriber off-hook with detection, so locate not describe in detail.
Step s105, when the CODEC module reports the CPU module by calling subscriber's off hook state, the FXO type user line unit interface analog subscriber off-hook that the CPU module is connected with Access Network ALC by the CODEC module controls, caller Path Setup.
Step s106, the calling user dials called number, after called subscriber's off-hook, the normal talking business is set up.
Step s107, after both sides' on-hook, end of conversation.
Fifth embodiment of the invention, as shown in Figure 5, a kind of telecommunications access network is realized the method for called relaying, comprises the steps:
Step s201, the first line of a couplet of CODEC module is sent to data channel receive data channel with the first line of a couplet and dock, specifically by by the reception data channel pin DR of CODEC module and the realization of transmission data channel pin DX short circuit.
Step s202, the CPU module is carried out initialization to the CODEC module, concrete, the mode configured by software sends at the first line of a couplet of CODEC module the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module by FXS type user line unit, FXO type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXS type user line unit in the CODEC module at the first line of a couplet of CODEC module.
In step s203, FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange, specifically comprises:
Analog voice signal from FXS type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXO type user line unit;
Analog voice signal from FXO type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXS type user line unit.
Step s204, CODEC module detect the state of the FXO type user line unit interface be connected with Access Network ALC, report the CPU module when ring having been detected.
Step s205, when the CODEC module reports the CPU module by the ringing condition of Access Network ALC, the FXS type user line unit interface that the CPU module is connected with the called subscriber by the CODEC module controls is to the ring of called user terminal equipment, called Path Setup.
Step s206, set up the normal talking business after called subscriber's off-hook.
Step s207, after both sides' on-hook, end of conversation.
Telecommunications access network of the present invention is realized the method and apparatus of calling and called relaying, by the CODEC module, the state to each interface is read and is controlled the CPU module, the CODEC module is carried out self-exchange to the voice signal of respective user circuit in FXO type user line unit and FXS type user line unit, the first line of a couplet data channel of the CODEC module in this device is not connected to switching equipment, but directly in the CODEC inside modules, carry out exchanges data, there is good operability.FXO type user line unit is connected with Access Network ALC, FXS type user line unit is connected with subscriber terminal equipment, and can provide normal feed for subscriber terminal equipment, the present invention has realized the function of caller and called users relaying with lower system O&M cost, enlarge the coverage of subscriber's line, reduced the wasting of resources simultaneously.
Can also increase the subscriber's line coverage in the mode of cascade by expansion connection module, further improve the covering power of system equipment.
By the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only be to provide with reference to the use with explanation, not be used for the present invention is limited.
Claims (10)
1. a telecommunications access network is realized the method for caller relaying, it is characterized in that, comprise: the first line of a couplet of CODEC module is sent to data channel and dock with first line of a couplet reception data channel, the CPU module is carried out initialization to the CODEC module, and in FXO FXO type user line unit and FXS FXS type user line unit, the voice signal of respective user circuit carries out self-exchange;
The CODEC module detects the state of the FXS type user line unit interface be connected with the calling subscriber, when the user having been detected and set out machine, reports the CPU module;
The FXO type user line unit interface analog subscriber dislodging machine that the CPU module is connected with Access Network ALC by the CODEC module controls;
Described CPU module is carried out initialization to the CODEC module and is comprised: the transmission data slot of FXO type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and at the first line of a couplet of CODEC module, receives reception data slot corresponding on data channel, and the transmission data slot of FXS type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXO type user line unit corresponding reception data slot on the first line of a couplet reception data channel of CODEC module.
2. telecommunications access network is realized the method for caller relaying according to claim 1, it is characterized in that, describedly the first line of a couplet of CODEC module is sent to data channel and the first line of a couplet receive data channel and dock and comprise: by the reception data channel pin DR of CODEC module and transmission data channel pin DX short circuit.
3. realize the method for caller relaying according to the described telecommunications access network of claim 1 or 2, it is characterized in that, in described FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange and comprises:
Analog voice signal from FXS type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXO type user line unit;
Analog voice signal from FXO type user line unit is sampled and obtained audio digital signals, then to audio digital signals carry out time slot allocation the mode by time-sharing multiplex the audio digital signals of different user be divided into to different time-gap transmitted, next the audio digital signals after time slot allocation is converted to analog voice signal and sends to FXS type user line unit.
4. a telecommunications access network is realized the method for called relaying, it is characterized in that, the first line of a couplet of CODEC module is sent to data channel to be docked with first line of a couplet reception data channel, the CPU module is carried out initialization to the CODEC module, and in FXO type user line unit and FXS type user line unit, the voice signal of respective user circuit carries out self-exchange;
The CODEC module detects the state of the FXO type user line unit interface be connected with Access Network ALC, reports the CPU module when called subscriber's ring having been detected;
The FXS type user line unit interface that the CPU module is connected with the called subscriber by the CODEC module controls is to called subscriber's ring;
Described CPU module is carried out initialization to the CODEC module and is comprised: the transmission data slot of FXO type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and at the first line of a couplet of CODEC module, receives reception data slot corresponding on data channel, and the transmission data slot of FXS type user line unit correspondence on the first line of a couplet transmission data channel of CODEC module is connected to FXO type user line unit corresponding reception data slot on the first line of a couplet reception data channel of CODEC module.
5. a telecommunications access network is realized the device of caller relaying, it is characterized in that, comprising:
The CPU module, for the CODEC module is carried out to initialization, the FXO type user line unit interface analog subscriber dislodging machine be connected with Access Network ALC by the CODEC module controls;
The CODEC module, for the first line of a couplet of CODEC module being sent to data channel, with first line of a couplet reception data channel, dock, voice signal to respective user circuit in FXO type user line unit and FXS type user line unit carries out self-exchange, by FXS type user line unit, detects the state of the FXS type user line unit interface be connected with subscriber terminal equipment and reports the CPU module;
FXO type user line unit, for transmission of speech signals, and under the control of CPU module to Access Network ALC analog subscriber dislodging machine.
FXS type user line unit, for transmission of speech signals, be the normal feed of subscriber terminal equipment, and the state of the FXS type user line unit interface that is connected with subscriber terminal equipment of detection;
Described CPU module is carried out initialization to the CODEC module and is comprised: FXS type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module at the first line of a couplet of CODEC module, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.
6. telecommunications access network is realized it is characterized in that the device of caller relaying according to claim 5, and described CODEC module further comprises:
Data conversion module, for carrying out analog-to-digital conversion and digital-to-analogue conversion to voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and dock with first line of a couplet reception data channel, carries out transfer of data.
7. realize the device of caller relaying according to the described telecommunications access network of claim 5 or 6, it is characterized in that, also comprise:
Expansion connection module, for by inserting the mode extending user terminal equipment quantity of CODEC module, FXO type user line unit and FXS type user line unit thereon.
8. a telecommunications access network is realized the device of called relaying, it is characterized in that, comprising:
The CPU module, for the CODEC module is carried out to initialization, the FXS type user line unit be connected with subscriber terminal equipment by the CODEC module controls is to the subscriber terminal equipment ring;
The CODEC module, for the first line of a couplet of CODEC module being sent to data channel, with first line of a couplet reception data channel, dock, voice signal to respective user circuit in FXO type user line unit and FXS type user line unit carries out self-exchange, by FXO type user line unit, detects the state of the FXO type user line unit interface be connected with Access Network ALC and reports the CPU module;
FXO type user line unit, for transmission of speech signals, and the state of the FXO type user line unit interface that is connected with Access Network ALC of detection.
FXS type user line unit, for transmission of speech signals, be the normal feed of subscriber terminal equipment, and under the control of CPU module to the subscriber terminal equipment ring;
Described CPU module is carried out initialization to the CODEC module and is comprised: FXS type user line unit is sent to the reception data slot that transmission data slot corresponding on data channel is connected to correspondence on the first line of a couplet reception data channel of FXO type user line unit in the CODEC module at the first line of a couplet of CODEC module, FXO type user line unit corresponding transmission data slot on the first line of a couplet transmission data channel of CODEC module is connected to FXS type user line unit and receives the reception data slot of correspondence on data channel at the first line of a couplet of CODEC module.
9. telecommunications access network is realized it is characterized in that the device of called relaying according to claim 8, and described CODEC module further comprises:
Data conversion module, for carrying out analog-to-digital conversion and digital-to-analogue conversion to voice signal;
The time slot allocation module, be divided into different time-gap for the mode by time-sharing multiplex by the audio digital signals of different user and transmitted;
The data channel transport module, send data channel for the first line of a couplet by the CODEC module and dock with first line of a couplet reception data channel, carries out transfer of data.
10. telecommunications access network is realized the device of called relaying it is characterized in that further comprising power module according to claim 8 or claim 9, is used to FXS type user line unit, CODEC module and CPU module for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180460.6A CN102045464B (en) | 2009-10-15 | 2009-10-15 | Method and device for realizing called relay in telecommunication access network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910180460.6A CN102045464B (en) | 2009-10-15 | 2009-10-15 | Method and device for realizing called relay in telecommunication access network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102045464A CN102045464A (en) | 2011-05-04 |
| CN102045464B true CN102045464B (en) | 2014-01-01 |
Family
ID=43911210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910180460.6A Expired - Fee Related CN102045464B (en) | 2009-10-15 | 2009-10-15 | Method and device for realizing called relay in telecommunication access network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102045464B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952666B (en) * | 2014-03-25 | 2017-05-10 | 国基电子（上海）有限公司 | Relay switching circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553666A (en) * | 2003-06-03 | 2004-12-08 | 北京共业科技有限公司 | Phonetical gate communication device and method |
| CN101018265A (en) * | 2007-02-15 | 2007-08-15 | 杭州华为三康技术有限公司 | Fleeing device and its method |
| CN101106614A (en) * | 2006-07-13 | 2008-01-16 | 中兴通讯股份有限公司 | Bluetooth phone gateway device and communication method |
| CN101222554A (en) * | 2008-01-29 | 2008-07-16 | 杭州华三通信技术有限公司 | Data transmission method and port conversion equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100799478B1 (en) * | 2005-10-13 | 2008-01-31 | (주)씨앤에스 테크놀로지 | VIDEO ADAPTER APPARATUS FOR VoIP SYSTEM AND METHOD FOR PROVIDING VIDEO TELEPHONE SERVICE USING THEREOF |
-
2009
- 2009-10-15 CN CN200910180460.6A patent/CN102045464B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1553666A (en) * | 2003-06-03 | 2004-12-08 | 北京共业科技有限公司 | Phonetical gate communication device and method |
| CN101106614A (en) * | 2006-07-13 | 2008-01-16 | 中兴通讯股份有限公司 | Bluetooth phone gateway device and communication method |
| CN101018265A (en) * | 2007-02-15 | 2007-08-15 | 杭州华为三康技术有限公司 | Fleeing device and its method |
| CN101222554A (en) * | 2008-01-29 | 2008-07-16 | 杭州华三通信技术有限公司 | Data transmission method and port conversion equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102045464A (en) | 2011-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8224382B2 (en) | Wireless communications interface | |
| KR100301328B1 (en) | A device for interfacing analog telephones and digital data terminals to a comprehensive information network line | |
| CN101674378B (en) | Wireless fixed terminal capable of switching talk lines automatically and switching method | |
| CN101557593A (en) | Multi-function wireless access equipment and wireless access method thereof | |
| CN101635660B (en) | Chain circuit switching method, customer premises equipment and chain circuit switching system | |
| CN102045464B (en) | Method and device for realizing called relay in telecommunication access network | |
| CN101605357B (en) | Method for accessing public switched telephone network by wireless network device and wireless network device | |
| CN101222554B (en) | Data transmission method and port conversion equipment | |
| CN101132454B (en) | VoIP implementing method and coaxial network terminal and coaxial line terminal | |
| CN101645982B (en) | Method and service veneer for voice terminal simulation test | |
| CN101795335A (en) | Conversion method for realizing wireless fax sending and receiving of fax machine | |
| CN101969516A (en) | Communication apparatus and control method thereof | |
| CN101090378A (en) | Method and correlation device for identifying and setting call from IP network to PSTN | |
| US11974173B2 (en) | Wired telephone to volte adapter | |
| CN101867662A (en) | High-impedance monitoring device and method for user call | |
| CN110099177B (en) | Voice detection and processing circuit of telephone | |
| CN101790258B (en) | Call control method of voice fax, device and equipment | |
| CN101141507A (en) | Power-off escape method and apparatus | |
| CN100551170C (en) | A kind of wireless access terminal and method thereof | |
| CN201616854U (en) | Conversion device for realizing to transmit and receive fax by fax machine wirelessly | |
| KR100270742B1 (en) | Apparatus and method for processing call in remote subscriber module of full electronic telephone exchange | |
| CN1274130C (en) | Communication equipment and method capable of automatically selectively dial-connecting with public switching telephone or network telephone | |
| KR100299042B1 (en) | Call transfer method through analog e&m networking in private exchange | |
| KR101128575B1 (en) | Method of Connecting Phone Call Using Switching Type Through Tone Sensing | |
| CN201937711U (en) | Double route access station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171113 Address after: 238000, Hefei City, Anhui province Chaohu city Wuwei County town six shop administrative village six shop natural village 6 Patentee after: Ding Zhongqin Address before: 518057 Nanshan District Guangdong high tech Industrial Park, South Road, science and technology, ZTE building, Ministry of Justice Patentee before: ZTE Corporation |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ding Zhongqin Inventor before: Song Huiyuan Inventor before: Huang Guangxia |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20181015 |