CN100455063C - System and method for access user small exchange into radio communication network - Google Patents
System and method for access user small exchange into radio communication network Download PDFInfo
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- CN100455063C CN100455063C CNB2005100719754A CN200510071975A CN100455063C CN 100455063 C CN100455063 C CN 100455063C CN B2005100719754 A CNB2005100719754 A CN B2005100719754A CN 200510071975 A CN200510071975 A CN 200510071975A CN 100455063 C CN100455063 C CN 100455063C
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- pbx
- fixed station
- communication network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/16—WPBX [Wireless Private Branch Exchange]
Abstract
The present invention discloses a system and a method for accessing a privacy branch exchange PBX into a wireless communication network. The system comprises the network side of the wireless communication network. The present invention is characterized in that the system also comprises a fixed station of the wireless communication network for the wire connection of PBX and PBX, and the fixed station is wirelessly accessed into the network side of the wireless communication network, wherein the PBX is communicated with the network side of the wireless communication network through the fixed station. Under the condition that development cost is not increased, the present invention enables a wire terminal which is governed by the PBX to be simply accessed into the wireless communication network to achieve the communication between the wire terminal governed by the PBX and the wireless communication network.
Description
Technical field
The present invention relates to the technology of private branch exchange (PBX, Private Branch Exchanger) access communications network, particularly a kind of system and method for PBX access to wireless communication network.
Background technology
Wireless local loop (WLL, Wireless Local Loop) system replaces the circuit between terminal and the switch to connect with wireless connections, and the wireless access system of telecommunication service is provided.Cordless communication network WLL is based on the wireless local loop system solution of cordless communication network technical specification as code division multiple access (CDMA) network WLL.
Cordless communication network can provide wireless PBX function as cdma network, makes the catv terminal of wireless PBX administration can pass through wireless PBX access to wireless communication network.
At present, cordless communication network wireless PBX function is provided system schematic as shown in Figure 1.The assumed wireless communication network is a cdma network, and this system comprises a plurality of catv terminals 101 and the cdma network 102 that wireless PBX100, wireless PBX100 administers.A plurality of catv terminals 101 utilize the telephone line to insert wireless PBX100 respectively by a plurality of telephone line interfaces of wireless PBX, have radio access module among the wireless PBX100, the radio communication between realization and the cdma network 102.Adopt this system, just can realize a plurality of catv terminals 101 that wireless PBX100 administers and the communication between the cdma network 102.
But, adopt system shown in Figure 1 to realize the PBX function that cordless communication network provides, exist shortcoming: need abandon the present existing PBX that uses, and exploitation is specifically designed to the wireless PBX of cordless communication network, this wireless PBX should realize the function of exchange of the catv terminal of administering, realize the function of wireless access cordless communication network again, complicated in the realization, the development cost height.
Summary of the invention
In view of this, main purpose of the present invention is the system that a kind of PBX access to wireless communication network is provided on the one hand, and this system can be under the situation that does not increase development cost, the catv terminal access to wireless communication network that makes PBX simply and administered.
The present invention provides a kind of method of PBX access to wireless communication network on the other hand, this method can be under the situation that does not increase development cost, the catv terminal access to wireless communication network that makes PBX simply and administered is realized by catv terminal that PBX administered and the communication between the cordless communication network.
According to above-mentioned purpose, technical scheme of the present invention is achieved in that
A kind of system of private branch exchange PBX access to wireless communication network, this system comprises the network side of cordless communication network, it is characterized in that, this system also comprises: PBX, one or more wired access PBX by catv terminal that PBX administered and with the fixed station of the cordless communication network of PBX wired connection, the network side of this fixed station wireless access cordless communication network, wherein, when the catv terminal that PBX administered is called out, described cordless communication network, be used to receive the calling of the number that carries the fixed station correspondence that calling terminal sends, according to the number of fixed station correspondence with call proceeding to fixed station; The number that receives after the playback notice catv terminal correspondence that will receive from calling terminal sends to fixed station; Described fixed station, be used for call proceeding to the PBX of its wired connection; The number of the catv terminal correspondence that receives is sent to PBX; Described PBX is used for to cordless communication network playback notice, receives the number of the catv terminal correspondence that this PBX administered that fixed station sends, and replay call is to the catv terminal of being administered, and sets up communicating by letter of calling terminal and the catv terminal of being administered.
Described fixed station is the T type terminal in the cordless communication network.The number of described fixed station is one or more, and described PBX utilizes the telephone line to insert the telephone line interface of this fixed station by the RJ-11 of self.
A kind of method of PBX access to wireless communication network, fixed station in the wired access to wireless communication network of PBX is set, this method also comprises: when catv terminal that PBX administered makes a call, the catv terminal that PBX administered by PBX to initiating the calling of carrying called number with the fixed station of PBX wired connection, this fixed station according to called number by the cordless communication network replay call to terminal called, set up communicating by letter of catv terminal that PBX administers and terminal called; When the catv terminal that PBX administered is called out, after cordless communication network receives the calling of the number that carries the fixed station correspondence that calling terminal sends, number according to the fixed station correspondence arrives fixed station with call proceeding, fixed station with call proceeding to the PBX of its wired connection, this PBX obtains the number of the catv terminal correspondence that this PBX administers to cordless communication network playback notice, the number of the catv terminal correspondence that cordless communication network will receive from calling terminal sends to this PBX by fixed station, to the catv terminal that this PBX administered, set up communicating by letter of catv terminal that calling terminal and this PBX administered by this PBX replay call.
Described fixed station number is one or more.When described fixed station number is one when above, the described corresponding same little friendship pilot number of more than one fixed station that connects with PBX, this little friendship pilot number is the corresponding number of one of them fixed station of the more than one fixed station that connects with PBX, perhaps be set number, the number that this set number is corresponding with the more than one fixed station difference that PBX connects is all inequality.
When described fixed station number is one when above, described cordless communication network according to the number of fixed station correspondence with call proceeding to the process of fixed station is: cordless communication network is selected the fixed station of one of them current free time of the more than one fixed station that is connected with PBX according to predefined routing rule, with call proceeding to the fixed station of current free time.
When catv terminal that described PBX administered makes a call or when being called out, this method further comprises: the cordless communication network pair fixed station that is connected with PBX charges; Perhaps the intelligent network function is set, the catv terminal that PBX administered is chargeed respectively at cordless communication network; When perhaps the cordless communication network pair fixed station that is connected with PBX chargeed, PBX chargeed respectively to the catv terminal of being administered.Described fixed station is T type terminal or the P type terminal in the cordless communication network.
From such scheme as can be seen, the catv terminal access to wireless communication network that the present invention adopts the mode of the fixed station in the existing PBX access to wireless communication network that PBX is administered is realized by catv terminal that PBX administered and the communication between the cordless communication network.Because the present invention will develop the wireless PBX that is specifically designed to cordless communication network unlike prior art, and uses existing fixed station in the existing PBX access to wireless communication network,, realize simple so development cost is lower.
Description of drawings
Fig. 1 provides the system schematic of wireless PBX function for the cordless communication network of prior art;
Fig. 2 is the schematic diagram of the system embodiment one of PBX access to wireless communication network of the present invention;
Fig. 3 is the network side schematic diagram of cordless communication network of the present invention;
Fig. 4 is the called signaling process figure of catv terminal that PBX of the present invention administers;
Fig. 5 is the schematic diagram of the system embodiment two of PBX access to wireless communication network of the present invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, below lift specific embodiment and, the present invention is described in more detail with reference to accompanying drawing.
Method provided by the invention adopts existing PBX, makes existing PBX be connected to the fixed station of cordless communication network and since the fixed station of cordless communication network can wireless access in cordless communication network, thereby realize the wireless PBX function of cordless communication network.
Fixed station of the present invention is the T type terminal of cordless communication network, and this terminal is not to be with the wireless module of microphone and receiver.It is to utilize the telephone line to insert the telephone line interface of fixed station by self telephone line interface that existing PBX is connected to mode that fixed station adopts.
Certainly, fixed station of the present invention also can be the P type terminal of cordless communication network, this terminal is the wireless module of band microphone and receiver, because the present invention does not need to use the microphone and the receiver of P type terminal, if, can make the cost up of fixed station so the present invention uses P type terminal as fixed station.
Fig. 2 is the schematic diagram of the system embodiment one of PBX access to wireless communication network of the present invention, and the assumed wireless communication network is a cdma network, and this system comprises: the network side 102 of PBX200, fixed station 201 and cdma network.PBX200 is widely used existing PBX in the prior art, can administer a plurality of catv terminals, this PBX200 utilizes the telephone line to insert the telephone line interface of fixed station 201 by the telephone line interface of self, because fixed station is the existing terminal equipment in the cdma network, so the network side 102 of cdma network is this fixed station and distributes international mobile subscriber identity (IMSI), promptly the network side 102 of cdma network is the fixed station number that is used for marking terminal equipment of only having opened an account.The present invention is to the support of a plurality of catv terminals, promptly to the support of a plurality of catv terminals that a plurality of PBX administered by PBX according to existing techniques in realizing.
When in the cordless communication network of fixed station at other, the present invention can also give this fixed station assign telephone numbers (PN) or electronics string number (ESN) as the number that is used for marking terminal equipment.
Fig. 3 is the network side schematic diagram of cordless communication network of the present invention, the assumed wireless communication network is a cdma network, the network side of cdma network comprises: base station transceiver (BTS), Radio Access Controller (RAC), local switch (LE) and telephone set, wherein, BTS will send to LE by RAC from the calling that cdma network receives, and send the calling that is received to telephone corresponding by LE; Perhaps the calling of telephone set transmission sends to RAC by LE, by RAC the calling that is sent is sent in the cdma network by BTS, and whole process is identical with prior art.
The calling procedure of catv terminal that PBX administers is promptly initiated calling to cdma network by catv terminal that PBX administered, and is identical with the calling procedure of the catv terminal that is connected and fixed platform in the prior art.That is: the catv terminal that PBX administered is initiated the calling of carrying called number to the fixed station that is connected with PBX by PBX, this fixed station according to called number by the cordless communication network replay call to terminal called, set up communicating by letter of catv terminal that PBX administers and terminal called.
When PBX connects a fixed station, as catv terminal that PBX administered and communicate between the cdma network, other catv terminals that then PBX administered can't carry out any operation, as any operation that can't carry out operations such as button, hooking or be carried out the catv terminal that PBX administered that communicates with cdma network are cut little ice.
The called flow of catv terminal that PBX administers is promptly made a call to the catv terminal that PBX administered by cdma network, and is basic identical with the called flow of the catv terminal that is connected and fixed platform in the prior art.Unique difference is that cdma network is when making a call, carry the corresponding number of fixed station that is connected with PBX, after connecting the number of fixed station correspondence, fixed station arrives PBX with call proceeding, dial number that PBX administered catv terminal correspondence by connected fixed station to cdma network playback notice by PBX, PBX carries the call proceeding of finishing the catv terminal that PBX administered of corresponding number behind the number that PBX administers the catv terminal correspondence, the called flow of realization catv terminal that PBX administers by what connected fixed station received that cdma network sends.
Fig. 4 is the called signaling process figure of catv terminal that PBX of the present invention administers, and its concrete steps are:
Step 400, calling terminal make a call by connected LE, and the corresponding number of fixed station that connects with the PBX that administers terminal called is carried in this calling.
Step 401～402, this LE arrive BTS by RAC with call proceeding.
Step 403, this BTS are with the fixed station of call proceeding to the PBX connection of administration terminal called.
Step 404, this fixed station are with the PBX of call proceeding to the administration terminal called.
Step 405, this PBX give the calling terminal playback by connected fixed station, BTS, RAC and LE successively, and the notice calling terminal sends and carries the number of terminal called correspondence.
Step 406～407, this PBX send the up Dual-Tone Multifrequency System of calling terminal (DTMF) burst signaling by eating dishes without rice or wine to RAC, and RAC is in LE carries out up DTMF of calling terminal or frequency displacement electrode (FSK) band number.
Step 408, calling terminal send the number of terminal called correspondence to this LE.
Step 409, this LE are by sending to RAC with interior number with the terminal called correspondence, be after RAC detects descending DTMF or fsk signal, resolve to the number of terminal called correspondence, filter out DTMF or fsk signal in the band simultaneously, prevent that inband signaling from sending to the repetition that this fixed station causes in-band signalling.
Step 410～411, RAC send to this fixed station with the number of terminal called correspondence by the DTMF burst signaling of eating dishes without rice or wine, and this fixed station sends to this PBX with the dtmf signal that the DTMF burst signaling of receiving is converted in the band.
The number of terminal called correspondence eats dishes without rice or wine to send by DTMF burst signaling, and directly by the BTS transparent transmission, is that it is reliable to walk space interface signaling, guaranteed because inband signaling can make this fixed station detection difficult through encoding and decoding speech, after eating dishes without rice or wine to transmit.
Certainly, the number of terminal called correspondence also can promptly be delivered to this fixed station with voice by BTS together by user's face of eating dishes without rice or wine, and this fixed station therefrom detects dtmf signal after receiving sound again, but this mode causes distortion easily, loses dtmf signal thereby cause.
After step 412, this PBX detected the interior dtmf signal of band, according to being with interior dtmf signal to parse the number of terminal called correspondence, the terminal called that continues and administered was finished calling terminal and terminal called directly communicates to connect.
Fig. 5 is the schematic diagram of the system embodiment two of PBX access to wireless communication network of the present invention, and the assumed wireless communication network is a cdma network, and this system comprises: the network side 102 of PBX200, more than one fixed station 501 and cdma network.This system utilizes the telephone line to insert respectively the telephone line interface of an above fixed station 501 except PBX200 by self telephone line interface, and other the system with shown in Figure 2 is basic identical.Like this, when catv terminal that PBX200 administered had taken a fixed station and CMDA network and communicates, other catv terminals that PBX200 administered also can take between other fixed stations that PBX200 inserts and the CMDA network and communicate.
The attachable fixed station number of PBX depends on the outside line number that PBX supports, i.e. the number of the standard RJ-11 of PBX.The standard RJ-11 of PBX is one group of relaying for PBX, when catv terminal that PBX administered and cordless communication network communicate, PBX can detect the situation that takies of RJ-11, communicates according to automatic fixed station and the cordless communication network of selecting a unappropriated RJ-11 and connecting by this RJ-II interface of prior art.
The number of one group of fixed station correspondence that cordless communication network can insert PBX is provided with little commissure and selects function.After this little commissure selects function to be meant that cordless communication network receives calling, the idle condition of one group of fixed station that can insert according to PBX select the fixed station of a free time to continue automatically this calls out PBX.This group fixed station also is provided with a unified number except the number that is provided with respectively by cordless communication network.When cordless communication network receive carry this calling of unifying number after, select one to have this idle fixed station of unifying the connection PBX of number and carry out call proceeding according to the selective rule that sets in advance, again by this free time fixed station with call proceeding to PBX.This unified number can be referred to as little friendship pilot number.Certainly, cordless communication network only when receiving the calling of carrying little friendship pilot number, could realize that little commissure selects function.
The mode that cordless communication network disposes little friendship pilot number is: one, the number of one of them the fixed station correspondence in one group of fixed station that cordless communication network inserts PBX is as little friendship pilot number, and the number of other fixed station correspondences can be respectively as the different non-pilot number of little friendship; Its two, number of one group of fixed station configuration that cordless communication network inserts to PBX is as little friendship pilot number, this number and the pairing number of this group fixed station are all inequality, the pairing number of this group fixed station can be respectively as the different non-pilot number of little friendship.
In the present invention, when cordless communication network receives the calling of carrying the non-pilot number of little friendship, can not realize that then little commissure selects function, and directly with call proceeding to the fixed station of the non-pilot number correspondence of little friendship.
Access has all catv terminals that PBX administered of one group of fixed station of little friendship pilot number, for cordless communication network, just has a number, and cordless communication network all uses this number when functions such as realization caller demonstration, charging bill.
Cordless communication network is provided with little commissure and selects the benefit of function to be: one sends the calling terminal of calling out and only need remember little friendship pilot number; Its two, one group of fixed station with little friendship pilot number can be realized load sharing; Its three, as long as have fixed station free time in one group of fixed station of little friendship pilot number, call out and just can continue, improve the call completing rate of calling.
Cordless communication network also will charge to the catv terminal that PBX administered when realizing wireless PBX function.For the charging of the catv terminal that PBX administered, following several mode can be arranged:
1, the number according to PBX access fixed station charges, and promptly no matter what catv terminals PBX administers, for cordless communication network, all communicates by fixed station, so be that a terminal is chargeed according to each fixed station directly.Consider that PBX administers a plurality of catv terminals, the data volume of PBX is more than the data volume of ordinary terminal, and the rate of each fixed station that cordless communication network can insert PBX is provided with separately.
The characteristics of this charging way are: charging way is simple, with the charging way indifference of cordless communication network, need not increase the charging difficulty of cordless communication network; The shortcoming of this charging way is: can't each catv terminal that PBX administered be chargeed separately.
2, realize chargeing by IN service.Each catv terminal that PBX administered adopts card number to distinguish and charges the operation way of promptly similar 201 campus cards respectively.
The characteristics of this charging way are: can distinguish each catv terminal that PBX administers and charge respectively, this charging way is taked post-pay paystation, the mode that use the back, for the bad place of user charges credit of using each catv terminal that PBX administered, proper.But this charging way need increase the support of intelligent network in cordless communication network.
3, insert the mode that each catv terminal that number charges and PBX administered of fixed station charges and combines according to PBX.The number that cordless communication network inserts fixed station according to PBX calculates the expense of PBX, and each catv terminal that PBX administered is shared charging by PBX, and PBX goes out charging bill.
The characteristics of this charging way are: cordless communication network is realized the charging of PBX, by the charging of each catv terminal of PBX district office administration.
The terminal access to wireless communication network that the present invention adopts the mode of the fixed station in the existing PBX access to wireless communication network that PBX is administered is realized by catv terminal that PBX administered and the communication between the cordless communication network.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of system of private branch exchange PBX access to wireless communication network, this system comprises the network side of cordless communication network, it is characterized in that, this system also comprises: PBX, one or more wired access PBX by catv terminal that PBX administered and with the fixed station of the cordless communication network of PBX wired connection, the network side of this fixed station wireless access cordless communication network, wherein, when the catv terminal that PBX administered is called out
Described cordless communication network is used to receive the calling of the number that carries the fixed station correspondence that calling terminal sends, according to the number of fixed station correspondence with call proceeding to fixed station; The number that receives after the playback notice catv terminal correspondence that will receive from calling terminal sends to fixed station;
Described fixed station, be used for call proceeding to the PBX of its wired connection; The number of the catv terminal correspondence that receives is sent to PBX;
Described PBX is used for to cordless communication network playback notice, receives the number of the catv terminal correspondence that this PBX administered that fixed station sends, and replay call is to the catv terminal of being administered, and sets up communicating by letter of calling terminal and the catv terminal of being administered.
2, the system as claimed in claim 1 is characterized in that, described fixed station is the T type terminal in the cordless communication network.
3, the system as claimed in claim 1 is characterized in that, the number of described fixed station is one or more, and described PBX utilizes the telephone line to insert the telephone line interface of this fixed station by the RJ-11 of self.
4, a kind of method of PBX access to wireless communication network is characterized in that, the fixed station in the wired access to wireless communication network of PBX is set, and this method also comprises:
When catv terminal that PBX administered makes a call, the catv terminal that PBX administered by PBX to initiating the calling of carrying called number with the fixed station of PBX wired connection, this fixed station according to called number by the cordless communication network replay call to terminal called, set up communicating by letter of catv terminal that PBX administers and terminal called;
When the catv terminal that PBX administered is called out, after cordless communication network receives the calling of the number that carries the fixed station correspondence that calling terminal sends, number according to the fixed station correspondence arrives fixed station with call proceeding, fixed station with call proceeding to the PBX of its wired connection, this PBX obtains the number of the catv terminal correspondence that this PBX administers to cordless communication network playback notice, the number of the catv terminal correspondence that cordless communication network will receive from calling terminal sends to this PBX by fixed station, to the catv terminal that this PBX administered, set up communicating by letter of catv terminal that calling terminal and this PBX administered by this PBX replay call.
5, method as claimed in claim 4 is characterized in that, described fixed station number is one or more.
6, method as claimed in claim 5, it is characterized in that, when described fixed station number is one when above, the described corresponding same little friendship pilot number of more than one fixed station that connects with PBX, this little friendship pilot number is the corresponding number of one of them fixed station of the more than one fixed station that connects with PBX, perhaps be set number, the number that this set number is corresponding with the more than one fixed station difference that PBX connects is all inequality.
7, method as claimed in claim 4 is characterized in that, when described fixed station number is one when above, described cordless communication network according to the number of fixed station correspondence with call proceeding to the process of fixed station is:
Cordless communication network is selected the fixed station of one of them current free time of the more than one fixed station that is connected with PBX according to predefined routing rule, with call proceeding to the fixed station of current free time.
8, method as claimed in claim 4 is characterized in that, when catv terminal that described PBX administered makes a call or when being called out, this method further comprises:
The cordless communication network pair fixed station that is connected with PBX charges;
Perhaps the intelligent network function is set, the catv terminal that PBX administered is chargeed respectively at cordless communication network;
When perhaps the cordless communication network pair fixed station that is connected with PBX chargeed, PBX chargeed respectively to the catv terminal of being administered.
9, method as claimed in claim 4 is characterized in that, described fixed station is T type terminal or the P type terminal in the cordless communication network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100719754A CN100455063C (en) | 2005-05-25 | 2005-05-25 | System and method for access user small exchange into radio communication network |
| PCT/CN2006/000993 WO2006125372A1 (en) | 2005-05-25 | 2006-05-16 | System and method for pbx accessing wireless communication network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100719754A CN100455063C (en) | 2005-05-25 | 2005-05-25 | System and method for access user small exchange into radio communication network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1870780A CN1870780A (en) | 2006-11-29 |
| CN100455063C true CN100455063C (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100719754A Expired - Fee Related CN100455063C (en) | 2005-05-25 | 2005-05-25 | System and method for access user small exchange into radio communication network |
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| Country | Link |
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| CN (1) | CN100455063C (en) |
| WO (1) | WO2006125372A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848285B (en) * | 2009-03-24 | 2013-10-09 | 华为技术有限公司 | Method and device for providing IP voice exchanger service |
| CN104113550A (en) * | 2014-07-28 | 2014-10-22 | 中国联合网络通信集团有限公司 | Extension access method and wireless user exchange device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040160968A1 (en) * | 2003-02-12 | 2004-08-19 | Chae-Ho Ko | Method for interconnecting of system for interconnecting wired and wireless phone services |
| CN1571523A (en) * | 2003-03-14 | 2005-01-26 | 松下电器产业株式会社 | Private branch exchange |
| WO2005027461A1 (en) * | 2003-09-11 | 2005-03-24 | France Telecom | System for accessing multimedia files from a mobile terminal |
| US20050101261A1 (en) * | 2003-11-10 | 2005-05-12 | Ronald Lachman | Bluetooth interface between cellular and wired telephone networks |
-
2005
- 2005-05-25 CN CNB2005100719754A patent/CN100455063C/en not_active Expired - Fee Related
-
2006
- 2006-05-16 WO PCT/CN2006/000993 patent/WO2006125372A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040160968A1 (en) * | 2003-02-12 | 2004-08-19 | Chae-Ho Ko | Method for interconnecting of system for interconnecting wired and wireless phone services |
| CN1571523A (en) * | 2003-03-14 | 2005-01-26 | 松下电器产业株式会社 | Private branch exchange |
| WO2005027461A1 (en) * | 2003-09-11 | 2005-03-24 | France Telecom | System for accessing multimedia files from a mobile terminal |
| US20050101261A1 (en) * | 2003-11-10 | 2005-05-12 | Ronald Lachman | Bluetooth interface between cellular and wired telephone networks |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006125372A1 (en) | 2006-11-30 |
| CN1870780A (en) | 2006-11-29 |
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