CN2894128Y - Telephone conference system for realizing telecommunication network and radio network communication - Google Patents

Telephone conference system for realizing telecommunication network and radio network communication Download PDF

Info

Publication number
CN2894128Y
CN2894128Y CN 200620058233 CN200620058233U CN2894128Y CN 2894128 Y CN2894128 Y CN 2894128Y CN 200620058233 CN200620058233 CN 200620058233 CN 200620058233 U CN200620058233 U CN 200620058233U CN 2894128 Y CN2894128 Y CN 2894128Y
Authority
CN
China
Prior art keywords
signal
output
telephone
circuit
interface
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
Application number
CN 200620058233
Other languages
Chinese (zh)
Inventor
梁雁文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200620058233 priority Critical patent/CN2894128Y/en
Application granted granted Critical
Publication of CN2894128Y publication Critical patent/CN2894128Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Telephonic Communication Services (AREA)

Abstract

The utility model discloses a teleconference system which can realize the communication between a telecom network and a wireless network. The teleconference system comprises conference system module units, a telephone-line interface and a radiophone interface. The telephone-line interface is connected with the telecom network through a telephone line. The radiophone interface is connected with a wireless radiophone or a vehicle station. The conference-system module units are connected with the telephone line interface and the radiophone interface, thereby establishing the multiparty communications between the telecom network and the wireless radiophone or the vehicle station. The realization of the connection between telecom and wireless network by the utility model provides the convenient multiparty communications between the telephone (or mobile phone) users the wireless radiophones, and is significantly characterized in flexible use, convenient communication and low production cost.

Description

A kind of TeleConference Bridge of realizing telecommunications network and radio net communication
Technical field
The utility model relates to a kind of TeleConference Bridge, particularly a kind of TeleConference Bridge that can be implemented in the communication function between telecommunications network and the radio net.
Background technology
Telecom communication is the communication network that landline telephone, GSM, CDMA and Personal Handyphone System etc. intercom mutually, and it is a big communication platform, is not subjected to the influence in place, space, just as a wide area network.And intercom wireless telecommunications net is just as a local area network (LAN), and it is the cluster net based on ride (launching centre), and the space of covering is limited, but have expense low, do not have that the line is busy, promptly say promptly logical advantage.Generally, the radio net of above-mentioned telecommunications network and intercom is not connected, can't realize mutual communication between the two.The PTT mobile phone of up-to-date appearance is a kind of function of utilizing mobile phone to realize intercom, is equivalent to mass-send function, and it remains based on telecommunications network, realize conferencing function, but this PTT mobile phone can not be realized carrying out communication with real intercom.
Summary of the invention
The purpose of this utility model is to provide a kind of TeleConference Bridge that can be communicated with telecommunications network and radio net, realizes the multi-party communication between phone (or mobile phone) and intercom and the different phone (or mobile phone).
The technical scheme that the utility model adopted: a kind of TeleConference Bridge of realizing telecommunications network and radio net communication, comprise conference system module group, telephone line interface and intercom interface, described telephone line interface is connected with telecommunications network by telephone wire, described intercom interface is connected with wireless tranceiver or ride, described conference system module group connects telephone line interface and intercom interface, sets up the mutual communication between telecommunications network and wireless tranceiver or the ride.
Above-mentioned conference system module group comprises central control processor, detecting signal unit, call voice input/output signal separative element, signal processing unit, double-audio signal generation unit and voice signal selection output unit, wherein: described detecting signal unit comprises incoming telephone signal detecting unit, double-audio signal detecting unit and on-hook signal detecting unit, the input of its incoming telephone signal detecting unit is connected with telephone line interface, and output is connected with central control processor; The input of double-audio signal detecting unit and on-hook signal detecting unit is connected with the speech output end of call voice input/output signal separative element, and output is connected with central control processor; Described call voice input/output signal separative element is connected with telephone line interface is two-way, and its speech output end is connected with signal processing unit; The output of described signal processing unit selects output unit to be connected with the phonetic entry end of call voice input/output signal separative element through voice signal; The digital signal input end of described double-audio signal generation unit is connected with central control processor, and input end of analog signal is connected with the intercom interface, and its output selects output unit to be connected with voice signal.
Signal processing unit in the above-mentioned conference system module group comprises digitized processing circuit, digital signal switched circuit and digital signal supercircuit, the digitized processing circuit comprises analog to digital conversion circuit and D/A converting circuit, the output signal of its analog to digital conversion circuit inputs to the digital signal supercircuit through the digital signal switched circuit, this signal exports the D/A converting circuit input of digitized processing circuit to again through the digital signal switched circuit after the digital signal supercircuit is handled.
Above-mentioned central control processor is connected with the master control computer through computer interface.
The signal input part of above-mentioned intercom interface is connected with the D/A converting circuit output of digitized processing circuit, and output is connected with the analog to digital conversion circuit input of digitized processing circuit.
TeleConference Bridge described in the utility model is realized the mutual communication between telecommunications network and the radio net, making intercom serves as the main conference group of forming with ride (launching centre), and in this conference group everyone can converse with the phone (or mobile phone) in the conference system; Phone in the conference system (or mobile phone) is realized intercommunication function by promptly can be used as intercom by " * " key or " # " key, converses with all members in the conference group, realizes the interactive communication modes between phone (or mobile phone) and the intercom.This TeleConference Bridge has expanded telephone communication network (being telecommunications network) in some sense, also expanded the telecommunication network of intercom, utilize existing intercom and phone (or mobile phone) to set up one's own message center, the signal processing stack is no longer dependent on telecommunications network.Have and use distinguishing features such as flexible, that communication is convenient, cost is low, market application foreground is extensive.
Description of drawings
Fig. 1 is the theory diagram of TeleConference Bridge described in the utility model;
Fig. 2 is the circuit theory diagrams of central control processor in the TeleConference Bridge described in the utility model;
Fig. 3 is the circuit theory diagrams of intercom interface in the TeleConference Bridge described in the utility model;
Fig. 4 is the circuit theory diagrams of detecting signal unit and call voice input/output signal separative element in the TeleConference Bridge described in the utility model;
Fig. 5 is the circuit theory diagrams of digital signal switched circuit and digital signal supercircuit in the TeleConference Bridge described in the utility model;
Fig. 6 is the motherboard circuit schematic diagram of TeleConference Bridge described in the utility model.
Embodiment
As shown in Figure 1, TeleConference Bridge described in the utility model comprises conference system module group, telephone line interface 2 and intercom interface 3, and telephone line interface 2 inserts telecommunications network by telephone wire, and intercom interface 3 is connected with wireless tranceiver or ride.Described conference system module group comprises central control processor 1, detecting signal unit, call voice input/output signal separative element 4, signal processing unit 10, double-audio signal generation unit 8 and voice signal selection output unit 9, wherein:
Described detecting signal unit comprises incoming telephone signal detecting unit 5, double-audio signal detecting unit 7 and on-hook signal detecting unit 6, and the input of its incoming telephone signal detecting unit 5 is connected with telephone line interface 2, and output is connected with central control processor 1; The input of double-audio signal detecting unit 7 and on-hook signal detecting unit 6 is connected with the speech output end of call voice input/output signal separative element 4, and output is connected with central control processor 1.Be illustrated in figure 2 as the circuit theory diagrams of central control processor 1, in Fig. 4, telephone line interface is LT/LR, incoming call detecting unit 5 is made up of integrated circuit U2 and peripheral circuit thereof, double-audio signal detecting unit 7 is made up of integrated circuit U7 and peripheral circuit thereof, on-hook signal detecting unit 6 is made up of integrated circuit U88 and peripheral circuit thereof, call voice input/output signal separative element 4 is made up of integrated circuit U3 and peripheral circuit thereof, realize the conversion of 2-4 line, integrated circuit U6 is a phonetic codec chip.The physical circuit annexation is not described in detail at this as shown in FIG..
Described call voice input/output signal separative element 4 and 2 two-way connections of telephone line interface, its speech output end is connected with signal processing unit 10, and the output of signal processing unit 10 selects output unit 9 to be connected with the phonetic entry end of call voice input/output signal separative element 4 through voice signal; Described signal processing unit 10 comprises digitized processing circuit 11, digital signal switched circuit 12 and digital signal supercircuit 13, digitized processing circuit 11 comprises analog-to-digital conversion (A/D) circuit and digital-to-analogue conversion (D/A) circuit, the output signal of its analog to digital conversion circuit inputs to digital signal supercircuit 13 through digital signal switched circuit 12, this signal exports the D/A converting circuit input of digitized processing circuit 11 to again through digital signal switched circuit 12 after digital signal supercircuit 13 is handled.Be illustrated in figure 5 as the circuit theory diagrams of above-mentioned digital signal switched circuit 12 and digital signal supercircuit 13, Figure 6 shows that circuit main board circuit theory diagrams of the present utility model, the physical circuit annexation is not described in detail at this as shown in FIG..
The digital signal input end of described double-audio signal generation unit 8 is connected with central control processor 1, and input end of analog signal is connected with intercom interface 3, and its output selects output unit 9 to be connected with voice signal.
Described central control processor 1 is connected with the master control computer through computer interface.
The signal input part of described intercom interface 3 is connected with the D/A converting circuit output of digitized processing circuit 11, and output is connected with the analog to digital conversion circuit input of digitized processing circuit 11.Be illustrated in figure 3 as the circuit theory diagrams of intercom interface 3.
The utility model is called a meeting in the following manner: when the member of system need hold a meeting, utilize its phone (landline telephone or mobile phone) dial-up access native system, enter meeting room or system default meeting room under this telephone number, call out other member's phones then and enter this meeting room and can hold a meeting.This telephone system also can be held a meeting by computer control, the conference convening person imports dependent instruction (detailed instructions as hereinafter instruction) by computer, central control processor behind the member of system closing of the circuit, can enter meeting according to command content automatic calling system member's telephone number.For the ease of the calling system member, the utility model is numbered the member's of system phone, or divides into groups, and so, the conference convening person only needs calling system member's telephone numbering or packet numbers to get final product, and concrete numbering and packet mode are as mentioned below.Different with traditional TeleConference Bridge is, the utility model is realized the connection with telecommunications network and radio net, can realize the multi-party communication between phone (or mobile phone) user and the wireless interspeaker easily, have and use flexibly, link up distinguishing features such as convenient, that cost is low.
Below be the instruction of TeleConference Bridge described in the utility model:
1. editing telephone number (baud rate 1200BIT)
1.1. write telephone number
Form: W a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18
Figure Y20062005823300081
Example: W 00111113123456789
Figure Y20062005823300082
W?0?0?2?2?1?0?1?3?9?8?7?6?5?4?3?2?1
W?0?0?3?2?0?0?8?7?6?5?4?3?2?1
Figure Y20062005823300084
W?4?1?5?2?1?1?8?1?2?3?4?5?6?7
Illustrate: telephone number is write in W (capitalization) expression and attribute is gone into system, can do permanent preservation.
A1, a2, a3 totally 3 be the numbering (001~415) of this phone, exceed 415 and send OUT.
The a4 position is for entering acquiescence meeting room (1,2,3,4 corresponding No. 4 intercom passages, 0 is the computer distribution).
The a5 position is for switching the authority mark of meeting passage; A5 for " 9 " represent this user have authority use the dual tone multi-frequency dtmf of telephone key-press (telephone key-press 0#, 1#, 2#, 3# 4#) enters any meeting room, a5 does not then allow the user to enter other meeting passage for " 0 ".
The a6 position is the authority mark that speaker and cancellation are audited; A6 audits privilege feature for " 1 " expression allows to use speaker and cancellation, and a6 is " 0 " then do not allow to use speaker and cancellation to audit privilege feature (being the 9* of telephone set, the 9# keypress function).
A7~a18 position is a telephone number, and the longest is 12.
1.2. the grouping information of writing
Form: F a1 a2 xxx xxx xxx xxx xxx xxx xxx Between the numbering space,
Wherein: a1 a2 is a packet numbering, totally 2 (01~95);
Xxx is a telephone numbering, and totally 3 (001~415) has 7 telephone numberings at most in each group.
Example: F 12 001 009 123 321 345 410 415
Attention:, will send OUT when packet numbering exceeds 95 or telephone numbering when exceeding 415.
1.3. read telephone number and attribute thereof
Form: R a1 a2 a3 Three telephone numbering (001~415)
Example: R 002 It is 002 phone information that telephone numbering is looked in expression.
Computer is replied the telephone number and the attribute of this numbering: return 210 13987654321.
R 003
Figure Y20062005823300095
Computer returns and should occur 200 8765432.
Attention: when telephone numbering exceeds 415, will send OUT.
1.4. the grouping information of reading
Form: Z a1 a2
Figure Y20062005823300096
Two packet numbering (01~95)
Example: Z 12
Figure Y20062005823300097
12 groups of telephone numbering information are looked in expression.
Computer returns: 001 009 123 321 345 410 415
Figure Y20062005823300098
Telephone numbering information in representing 12 groups.
Attention: packet numbering exceeds at 95 o'clock, will send OUT.
2. dataphone instruction
2.1. computer dialing
Form: m T 87654321
Figure Y20062005823300099
(meeting room number number m=1,2,3,4,5,6,7, wherein 1~4 is the meeting room number of intercom, 5~7 is the meeting room number of phone)
Effectively return: Lqon Lq->mconf (telephone channel is counted q=1,2,3,4,5,6,7,8)
Invalid returning: invalid
No outside line is returned: no line!
Illustrate: when calling 87654321 phones enter the m meeting room, represent to take the 1 road outside line if computer is replied L1on, L1->mconf table enters the m meeting room.This " 1 " is that No. 1 telephone wire (1~8) is decided on 8 outside line idle condition, and routine L2on represents that this takies outside line No. 2.
Example: 2T87654322 Reply L3on L3->2conf,
Expression: 87654322 phones take the 3rd telephone wire and enter meeting room No. 2.
Attention: take q (q=1,2 ... 8) the road telephone wire is made decision according to the present line idle of system, seeks from 1~8 order.
2.2. port line gain controlling (8 road outside lines, No. 4 intercom passages)
Form: nI+
Figure Y20062005823300102
Or nI-
Figure Y20062005823300103
Or nO+
Figure Y20062005823300104
Or nO- (voice channel n=1,2 ... 8,9, a, b, c) input channel:
(Gain) returns when gain: ch n IG x db (x=0,1,2 ..., 8,9, a, b, c, d, e, f);
(Attenuation) returns when decay: ch n IA x db
Output channel: ch n OG x db or ch n OA x db.
Invalid returning: invalid
2.2.1.nI n road input channel is chosen in expression,
(ASCII character is 2b to "+" or "-" key, after 2d) confirming, controls its input volume, "+" operation each time, gain increases 1db on former basis, and the volume range maximum is that 32db (is: Ofdb from small to large, Oedb ..., 01db, 00db, 10db, 11db, 12db ... 1edb, 1fdb), acquiescence is 11db, and it is IG=1 db that computer is sent default value; "-" operation equally each time, the 1db that on former basis, decays, after operation was finished, system returned current state.
2.2.2.nO n road output channel is chosen in expression,
Similar nI situation, computer returns respectively according to system's present case:
Ch n OG x db or ch n OA x db.
Attention: mainly make a speech and can do following processing in the n road, the input attenuation that is exactly all the other all passages of participating in a conference of n road is maximum (IA=f db), and n road output gain is suitably big (example: OG=c db, e db, be f db to the maximum), this moment, the participate in a conference user of passage of scalable heard the conference background sound.
2.3. the ride emission is handled
Form: k*
Figure Y20062005823300111
Or k# (intercom voice channel k=9, a, b, the corresponding meeting room of c numbers several 1,2,3,4) k videoconference requires ride to launch.
2.4. the speaker audits processing
Form: q* Or q#
Figure Y20062005823300114
(telephone channel is counted q=1, and 2,3,4,5,6,7,8)
2.4.1. speaker q* Effectively return: Lqonmconf only!
Invalid returning: invalid
Audit q# 2.4.2. remove
Figure Y20062005823300116
Effectively return: Lqonmconf cancel only!
Invalid returning: invalid
Illustrate: it is not that promptly the rest channels of n passage place meeting only can be heard the sound of n passage as conferencing form (signal is formed by stacking) but as data exchange ways that the speaker handles, rather than the background sound of above said meeting stack.Data exchange ways puts aside gain process, and the n passage can be heard the conference background sound.
2.5. computer control broken string operation
Form: qH (telephone channel is counted q=1,2,3,4,5,6,7,8)
Invalid returning: invalid
The expression computer forces the line interrupted of q road, (when telephone set on-hook of q road or busy tone, return Lqoff equally, native system forces the line interrupted of q road).
2.6. computer reading system state
Form: mM
Figure Y20062005823300118
(meeting room number number m=1,2,3,4,5,6,7)
NC
Figure Y20062005823300121
(voice channel is counted n=1, and 2,3,4,5,6,7,8,9, a, b, c)
2.6.1.mM
Figure Y20062005823300122
Read the road number that the m meeting room adds, whether the speaker, the input and output gain of this passage, phone information.
Effectively return: telno.at time
Invalid returning: invalid (show this number meeting room and do not have the participant)
Example: 2M
Return: ch2*1113123456789at03051023 ch5call87654321 ch6 81234567at03051024 represents that No. 2 meeting rooms have 3 participants, wherein passage 2 is speaker's (the * sign is arranged), passage 5 is system calling (telephone number is 02087532694), passage 2 (telephone number is 13123456789), passage 6 (telephone number is 81234567) be separately at a time between incoming call (behind the telephone number table this phone incoming call time).
2.6.2.nC
Figure Y20062005823300124
Read the n channel information, comprise the present place of this passage meeting room number, the speaker, only a record returns.
Effectively return: * telno.attime
Invalid returning: invalid (show this passage and do not have the participant)
Example 1:2C
Figure Y20062005823300125
Return: 111 13123456789at03050812
Represent that 2 busy phones are 13123456789,111st, its attribute is incoming call, free constant.
Example 2:5C
Return: 200 87654321
Represent that 5 busy phones are 87654321,200th, its attribute is that computer is called out.
3. phone operation instruction (telephone channel is counted q=1,2,3,4,5,6,7,8)
3.1. pull out into native system phone (meeting room number number m=1,2,3,4,5,6,7)
According to the line is busy situation, the decision distributed lines.
A). when requiring electro-detection (by the panel-switch decision) (after having edited phone information, can not need the computer offline operation)
Example: 13123456789 users dial in native system, system sends Lqon11013123456789at01101923, Lq->mconf shows this phone and takies q road telephone wire and enter m meeting room (m number for this phone default value), this time-division day time of setting up a call moon of number back numerical tabular is 19: 23 on the 10th January at this.
87539449 (non-registered users) are dialled in native system, and system sends Lqon0110192387539449noLqoff, and behind the closing of the circuit, on-hook immediately discharges this telephone wire.It is disabled user's make-before-break.
B). do not require electro-detection (can not edit phone information, not connect computer, directly use), directly enter idle meeting room.From 5,6, No. 7 meeting room inquiries.
Return: Lqon Lq->jconf (telephone conference room number number j=5,6,7)
Example: L3on L1->5conf represents to insert the 3rd circuit and adds meeting room No. 5.
3.2. on-hook operation (withdraw from meeting, discharge telephone wire)
Form: t* (call out and insert phone ordinal number t=0,1,2,3,4,5,6,7)
3.2.1. have only the caller just to have the right to use this instruction, the person of calling a meeting is by 0*, this meeting room personnel all withdraw from meeting and broken string; The caller can reaffirm to call out and call a meeting; 1* is broken for the people of the mat woven of fine bamboo strips who is convened; 2* is broken for the people of the mat woven of fine bamboo strips who is convened; So analogize, be 7* to the maximum.
3.2.2. when user's shutdown (on-hook), system can detect on-hook signal, discharges the original call line.
Example: corresponding above-mentioned Lqoff.
3.2.3. the person's of calling a meeting broken string, this meeting personnel all break.Broken string is to withdraw from on-hook after the meeting earlier.
3.3. call a meeting-call function (authority person is arranged or the identification situation of need not sending a telegram here under dial in the native system person could operate)
3.3.1.xxx# dial numbering phone 001-415.
The phone that system calling should be numbered adds dialing user place meeting.
3.3.2.xx# pull out packet telephony 01-95.
The n of this packet number of system calling (less than or maximum equal 7) individual phone adds dialing user place meeting.
A 3.3.3.xxxx* transfer slip phone (more than 2 numbers is phone number dial).
Directly calling single telephone subscriber converses in dialing user place meeting.
3.4 on-line operation
3.4.1 add or change of team view (authority person is arranged or the identification situation of need not sending a telegram here under dial in the native system person could use this instruction)
(0 changes pure videoconference to form: p# (p=0,1,2,3,4); 1,2,3,4 change the meeting that intercom is arranged)
3.4.1.1. under the identification situation that requires to send a telegram here, enter the acquiescence meeting room, switch the user only for having the right according to the former attribute of phone.
Authorizing under the permission situation, showing from former meeting room by the 1# key table to enter meeting room No. 1,
Return: Lq->1conf;
Press the 2# key, expression enters No. 2 meeting rooms (1~4 is optional) from No. 1 meeting room again,
Return: Lq->2conf;
Press the 0# key, lead these meeting person personnel to enter former meeting room, return: Lq->5conf.
3.4.1.2. not requiring under the incoming call identification situation, dial in phone, have the right to switch meeting room for the convener.And be to drive all personnel's switchings of this meeting room.Convened personnel to have no right to switch meeting.Acquiescence is by 5,6, and 7 orders enter meeting room, press 1#, 2#, and 3#, 4# can cut the intercom meeting room respectively 1,2,3, No. 4, and 0# returns and enters original call meeting room (5,6, No. 7 meeting rooms).
3.4.2.* (everyone can operate) handled in the emission of key intercom
Return by the * system: LnPttmconf, the intercom emission of this phone place meeting room number number m.
3.4.3.# key cancellation intercom emission function (everyone can operate)
Return by the # system: LnGPttmconf, the intercom cancellation emission of this phone place meeting room number number m.
3.4.4.9* handling, the key speaker have authority person could use this instruction
Under the situation of authorized user, by the 9* system return Lqonmconf only! This moment, q road telephone subscriber can hear the background of meeting, and other user can only listen the phone speech of q road.Another user handles by the speaker that the 9* key promptly changes another subscriber's line over to.
3.4.5.9# promptly cancelling speaker's processing capacity, key have authority person could use this instruction
By the 9# system return Lqonmconf cancel only!
TeleConference Bridge among the above embodiment has 8 road outside lines and 4 tunnel (4 different frequent points) intercom passage, but the utility model is not limited to the foregoing description, according to actual conditions, can expand the number of its telephone line interface and intercom interface, to reach the purpose that increases telephone line and intercom passage, expanding system capacity.

Claims (5)

1. TeleConference Bridge of realizing telecommunications network and radio net communication, it is characterized in that, comprise conference system module group, telephone line interface and intercom interface, described telephone line interface is connected with telecommunications network by telephone wire, described intercom interface is connected with wireless tranceiver or ride, described conference system module group connects telephone line interface and intercom interface, sets up the both-way communication between telecommunications network and wireless tranceiver or the ride.
2. the TeleConference Bridge of realization telecommunications network according to claim 1 and radio net communication, it is characterized in that, described conference system module group comprises central control processor, detecting signal unit, call voice input/output signal separative element, signal processing unit, double-audio signal generation unit and voice signal selection output unit, wherein:
Described detecting signal unit comprises incoming telephone signal detecting unit, double-audio signal detecting unit and on-hook signal detecting unit, and the input of its incoming telephone signal detecting unit is connected with telephone line interface, and output is connected with central control processor; The input of double-audio signal detecting unit and on-hook signal detecting unit is connected with the speech output end of call voice input/output signal separative element, and output is connected with central control processor;
Described call voice input/output signal separative element is connected with telephone line interface is two-way, and its speech output end is connected with signal processing unit;
The output of described signal processing unit selects output unit to be connected with the phonetic entry end of call voice input/output signal separative element through voice signal;
The digital signal input end of described double-audio signal generation unit is connected with central control processor, and input end of analog signal is connected with the intercom interface, and its output selects output unit to be connected with voice signal.
3. the TeleConference Bridge of realization telecommunications network according to claim 2 and radio net communication, it is characterized in that, described signal processing unit comprises the digitized processing circuit, digital signal switched circuit and digital signal supercircuit, the digitized processing circuit comprises analog to digital conversion circuit and D/A converting circuit, the output signal of its analog to digital conversion circuit inputs to the digital signal supercircuit through the digital signal switched circuit, this signal exports the D/A converting circuit input of digitized processing circuit to again through the digital signal switched circuit after the digital signal supercircuit is handled.
4. the TeleConference Bridge of realization telecommunications network according to claim 2 and radio net communication is characterized in that, described central control processor is connected with the master control computer through computer interface.
5. the TeleConference Bridge of realization telecommunications network according to claim 1 and radio net communication, it is characterized in that, the signal input part of described intercom interface is connected with the D/A converting circuit output of digitized processing circuit, and output is connected with the analog to digital conversion circuit input of digitized processing circuit.
CN 200620058233 2006-04-26 2006-04-26 Telephone conference system for realizing telecommunication network and radio network communication Expired - Fee Related CN2894128Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620058233 CN2894128Y (en) 2006-04-26 2006-04-26 Telephone conference system for realizing telecommunication network and radio network communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620058233 CN2894128Y (en) 2006-04-26 2006-04-26 Telephone conference system for realizing telecommunication network and radio network communication

Publications (1)

Publication Number Publication Date
CN2894128Y true CN2894128Y (en) 2007-04-25

Family

ID=38062276

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620058233 Expired - Fee Related CN2894128Y (en) 2006-04-26 2006-04-26 Telephone conference system for realizing telecommunication network and radio network communication

Country Status (1)

Country Link
CN (1) CN2894128Y (en)

Similar Documents

Publication Publication Date Title
US6178237B1 (en) Teleconferencing audio bridge
US8989365B2 (en) Call monitoring
CN103024209B (en) Power emergency converged communication dispatching command system
CN101175236A (en) Mobile phone virtual number use method and device
CN1838703B (en) Teleconference system for realizing telecommunication network and radio network communication and its realizing method
CN201869372U (en) Triple-play mobile trunking communication system
CN1277513A (en) No-disturbance device for radio telephone
CN101610488A (en) System and method is numbered and is dialed in the unification of across a network communication tool
CN2894128Y (en) Telephone conference system for realizing telecommunication network and radio network communication
CN100546321C (en) Mobile intercom real-time message system and be user service method with this system
CN205812037U (en) A kind of off host broadcast intercom system
CN100373854C (en) Method of realizing mass business in communication system
JP2001028631A (en) Telephone system
CN2914510Y (en) Telephone system realizing one number connecting function
CN100477700C (en) Method for providing service for the subscriber with intercommunication short message system
CN201515497U (en) Communication terminal capable of realizing real-time media interaction with personal computer
JPS6031349A (en) Key number collating and connection system
KR100255376B1 (en) Method for expanding a conference function in pabx
CN109120580A (en) A kind of teleconference device
CN2894100Y (en) Intercom inserting device for telephone conference system
JPS59139758A (en) Conference system
JPS61125268A (en) Individual telephone number system
JPS60142660A (en) Conference telephone system of digital electronic private branch exchange
CN109391477A (en) One kind of multiple audio signals while phone system
JPH0156584B2 (en)

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070425