JP3809907B2 - IP private branch exchange system and IP telephone - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
  The present invention relates to an IP private branch exchange system that performs voice communication by converting voice signals into IP packets.And IP phonesIn particular, an IP private branch exchange system in which a plurality of telephone numbers are assigned to a single IP telephone, and a plurality of users can be used as a personal telephoneAnd IP phonesAbout.
[0002]
[Prior art]
In a private branch exchange system comprising a conventional private branch exchange (PBX) and an extension telephone, one telephone number is assigned to one extension telephone, and the private branch exchange (PBX) is also assigned to a telephone number for each extension telephone. Controls such as call control and call connection are performed.
[0003]
When a conventional private branch exchange system and a personal computer are linked, the extension telephone and the personal computer are connected by a serial interface such as RS-232C, and the extension telephone and the personal computer are connected one-to-one. ing.
[0004]
[Problems to be solved by the invention]
The conventional private branch exchange system is configured so that one telephone number is assigned to one extension telephone, and one extension telephone and one personal computer are connected, so that the user uses it as a dedicated telephone. In this case, extension telephones for the number of users are required.
[0005]
In general offices, there are many cases where one user does not use one extension telephone exclusively, and two people share one extension telephone and use it. Because it is not possible to distinguish between incoming calls and calls, it cannot be called a dedicated phone.
[0006]
In addition, when the installation space of the extension telephone is limited, a soft phone that uses a personal computer dedicated to each individual as a voice terminal is effective. However, if the personal computer does not become usable, There is a possibility that an unstable operation may be caused due to the inability to receive a call or the association with application software running on a personal computer.
[0007]
  The present invention has been made to solve such problems, and its purpose is to set a plurality of telephone numbers and different ring tones for each telephone number on a single extension telephone, so that a plurality of users can use it. Convenient IP Private Branch Exchange System with an IP Phone that can be Used as a Private Phone for IndividualsAnd IP phonesIs to provide.
[0008]
[Means for Solving the Problems]
  In order to solve the above problems, an IP private branch exchange system according to the present invention is an IP private branch exchange system that performs voice communication by converting a voice signal into an IP packet.HornIP address andDuplicateNumber of phone numbersWithallocationIs possible and saidRings a different ringtone for each phone numberOKCapable IP phones,SaidCorresponds to multiple IP phone numbersThat worksA number of personal computers,In addition to associating the IP address of the IP telephone with a plurality of telephone numbers, information for associating the IP address of the personal computer for each telephone number is stored, and call control for the IP telephone and the personal computer is performed via a LAN. The call control device performs an incoming call control for the IP telephone when an incoming call is received for the telephone number of the IP telephone under control, and Incoming call notification information including the caller's phone number is sent to the IP address of the corresponding personal computer.It is characterized by that.
[0009]
  The personal computer according to the present invention isWhen you receive incoming call notification information,Displaying incoming and outgoing phone numbers.
[0011]
The IP private branch exchange system according to the present invention includes a mail server for storing missed call mails, and responds to missed messages and transmits missed call mails to personal computers corresponding to missed telephone numbers.
[0012]
  Further, the IP telephone according to the present invention is 1HornIP addressWhenMultiple phone numbersWithallocationIs possible and saidRings a different ringtone for each phone numberOKLAN interface that transmits and receives IP packets to and from a LANWhen,IP packet of the IP phoneMultiple phone numbersAnd for each telephone numberPersonal computerIP addressStorage means for storing information, a signal generation means for generating a different ringtone for each telephone number, and a telephone control means for controlling the overall operation of the telephone, and there was an incoming call to the LAN interface In this case, the signal generation means generates a ring tone corresponding to the incoming telephone number, and the telephone control means sends incoming call notification information to the IP address of the personal computer corresponding to the telephone number.It is characterized by that.
[0014]
Further, the telephone control means according to the present invention is characterized in that if there is no incoming response even after a predetermined time has elapsed since the incoming call, an absent talk key is transmitted following the absent message.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a basic configuration diagram of an embodiment of an IP private branch exchange system according to the present invention. In FIG. 1, an IP private branch exchange system 1 includes an IP-PBX shared telephone (IP) that shares a call control device 3 and a switching device 4 constituting a private branch exchange 2 with a plurality of users (for example, two people). Telephone) 5 and IP-PBX shared telephone (IP telephone) 6, and personal computers PC1 and PC2 and personal computers PC3 and PC4 that are linked to IP-PBX shared telephones 5 and 6 to form shared groups G1 and G2, respectively. The mail server 7 is configured to store and transmit mail.
Each is connected to the LAN-1, and the LAN-1 is connected to the IP network NT via the router 8.
[0016]
The call control device 3, switching device 4, IP-PBX shared telephone 5, IP-PBX shared telephone 6, personal computers PC1 and PC2, personal computers PC3 and PC4 are connected by LAN-1, voice signals, mail and various types. Information (telephone number, IP address, mail address, etc.) is transmitted in IP packets.
[0017]
The call control device 3 is connected to the LAN-1 to constitute a part of the private branch exchange 2, and stores data for sharing the IP-PBX shared telephone 5 and the IP-PBX shared telephone 6 among a plurality of users. A management table 3a is provided, and call control is executed based on data in the management table 3a.
[0018]
The management table 3a stores IP addresses and telephone numbers of the IP-PBX shared telephone 5 and the IP-PBX shared telephone 6, and IP addresses and mail addresses of the personal computers PC1, PC2 and personal computers PC3, PC4.
[0019]
The management table 3a logs in from the IP-PBX shared telephones 5 and 6 so that the IP-PBX shared telephones 5 and 6 operate under the control of the call control device 3 when the system becomes operable. Then, the IP addresses and telephone numbers of the IP-PBX shared telephones 5 and 6 are stored in association with the IP addresses and mail addresses of the personal computers PC1 to PC4.
[0020]
FIG. 5 is an image diagram of an embodiment of a management table according to the present invention. In FIG. 5, the management table 3a shows the IP address AT1 "192.168.0.12" of the IP-PBX shared telephone 5, the telephone numbers NT1 "2001", NT2 "2002", and the personal computer associated with the telephone number NT1 "2001". IP address AP2 “192.168.0.2” and mail address MP2 “2002 @ mail” of personal computer PC2 associated with IP address AP1 “192.168.0.1”, mail address MP1 “2001 @ mail” and telephone number NT2 “2002” of PC1 Is stored.
[0021]
Similarly, the management table 3a includes the IP address AT2 “192.168.0.34” of the IP-PBX shared telephone 6, the telephone numbers NT3 “2003”, NT4 “2004”, and the personal computer PC3 associated with the telephone number NT3 “2003”. IP address AP3 “192.168.0.3”, mail address MP3 “2003 @ mail” and personal computer PC4 IP address AP4 “192.168.0.4” and mail address MP4 “2004 @ mail” associated with telephone number NT4 “2004” Store.
[0022]
When there is a call from the IP-PBX shared telephones 5 and 6, the call control device 3 searches the management table for the IP address of the called number (called party telephone number), and calls the shared telephone with the searched IP address. (Calling party telephone number) and called party number (called party telephone number) are transmitted to ring the ring tone corresponding to the called party number of the shared telephone, and the calling party number and called party number are displayed on the display.
[0023]
Further, the call control device 3 searches for the IP address of the personal computer PC corresponding to the called number (called party telephone number), and searches the calling personal computer PC for the calling number (calling party telephone number) and the called number (called party number). (Caller telephone number) is received and the calling number and called number are displayed on the screen of the personal computer PC.
[0024]
Further, the call control device 3 transmits the missed incoming mail to the mail server 7 and accumulates the missed incoming mail in the mail server 7 when the user of the called number is absent and there is a missed response from the shared telephone.
[0025]
As described above, the call control device 3 according to the present invention includes the management table 3a for associating and storing the IP addresses and telephone numbers of the IP-PBX shared telephones 5 and 6, and the IP addresses and mail addresses of the personal computers PC1 to PC4. Therefore, it is possible to reliably execute the call control of the IP-PBX shared telephones 5 and 6 in which a plurality of telephone numbers are set and the personal computers PC1 to PC4 corresponding to the telephone numbers.
[0026]
The switching device 4 is connected to the LAN-1 and constitutes a private branch exchange 2 together with the call control device 3, and accommodates a PSTN which is a public network via the IP trunk, the extension telephones TE1 to TEk and the office line trunk. Call connection between IP-PBX shared telephone 5 or IP-PBX shared telephone 6 and extension telephones TE1 to TEk, connected to IP-PBX shared telephone 5 or IP-PBX shared telephone 6, extension telephones TE1 to TEk and PSTN side A call connection is made between the telephones and the like that are connected to each other (between office lines).
[0027]
The IP-PBX shared telephone 5 is composed of a multi-function telephone connected to the LAN-1, and one telephone has an IP address “192.168.0.12” and two telephone numbers “2001” different for each user (two persons). , “2002” is assigned, and when a call is received, a different ringing tone is generated corresponding to each of the telephone numbers “2001” and “2002”, and the user is distinguished and called.
[0028]
The IP-PBX shared telephone 6 assigns an IP address “192.168.0.34” and two different telephone numbers “2003” and “2004” for each user (two persons) to one telephone, and the telephone number “ Different ringtones are made for each of “2003” and “2004”, and the user is distinguished and called.
[0029]
Even if one phone is shared by two people, two phone numbers “2001” and “2002” are assigned and different ringtones are set for each phone number “2001” and “2002”. It can be distinguished by the incoming call or ringtone, and it can be used as if it is a user's dedicated telephone.
[0030]
The IP-PBX shared telephone 5 forms a shared group G1 with the personal computer PC1 and the personal computer PC2. The personal computer PC1 and the personal computer PC2 are exclusively used by two users assigned telephone numbers “2001” and “2002”. The personal computer PC1 and the personal computer PC2 are linked with the IP-PBX shared telephone 5 to display a dialing function of a telephone, a calling number (calling telephone number) and a called number (called telephone number) at the time of incoming call. It has a function and a missed call mail reception function.
[0031]
Since the IP-PBX shared telephone 5 is linked to the personal computer PC1 and the personal computer PC2 with the dialing function of the telephone and the number display function of the incoming call, the telephone numbers “2001” and “2002” are assigned to the personal computer PC1 and the personal computer PC2, respectively. The IP addresses “192.168.0.1” and “192.168.0.2” and the mail addresses “2001 @ mail” and “2002 @ mail” associated with the password are set and stored.
[0032]
The IP-PBX shared telephone 6, personal computer PC3, and personal computer PC4 that form the shared group G2 are the same as the shared group G1.
[0033]
Personal computer PC1 and personal computer PC2 are each connected to LAN-1 to form a shared group G1 with IP-PBX shared telephone 5. The personal computer PC1 and the personal computer PC2 have an IP-PBX shared telephone 5, a telephone dialing function, a calling number (calling telephone number) and a called number (called party telephone number) display function when receiving a call, Link with the missed call mail reception function.
[0034]
Use some of the rich functions of the PC as a shared phone function. When dialing, use the dial key stored on the PC instead of using the dial key on the shared telephone to display the phone book on the PC screen and click the destination. And dial out.
[0035]
In addition, when a call is received, the calling number (calling party telephone number) and the called number (called party telephone number) are displayed on the personal computer screen. Further, the caller name is added to the displayed calling number (caller telephone number) and registered in the telephone directory of the personal computer.
[0036]
The personal computer PC1 and the personal computer PC2 have IP addresses “192.168” corresponding to the telephone numbers “2001” and “2002” assigned to the IP-PBX shared telephone 5 in order to link the telephone function with the IP-PBX shared telephone 5. .0.1 "," 192.168.0.2 "and mail addresses" 2001 @ mail "and" 2002 @ mail "are assigned, and when the IP-PBX shared telephone 5 receives an incoming call, it is transmitted from the IP-PBX shared telephone 5 or the call control device 3 The incoming and outgoing telephone numbers (calling and called numbers) are received and displayed on the personal computer screen.
[0037]
The personal computer PC3 and personal computer PC4 that form the shared group G2 with the IP-PBX shared telephone 6 are the same as the personal computer PC1 and personal computer PC2.
[0038]
In addition to the telephone function, the personal computers PC1 to PC4 execute personal computer communication such as electronic mail, which is an original function of the personal computer.
[0039]
As described above, the personal computers PC1 to PC4 according to the present invention are interlocked with the IP-PBX shared telephones 5 and 6, and when the IP-PBX shared telephones 5 and 6 receive a call, the incoming and outgoing telephone numbers (calling and called numbers) ) Is displayed, it is possible to recognize on the personal computer screen who the call is coming from when you hear the ringtone addressed to you, improving the convenience of the dedicated phone regardless of the shared phone. Can be achieved.
[0040]
The mail server 7 is connected to the LAN-1 and responds (receives) to a missed incoming mail of a missed telephone number (for example, “2001”) supplied from the IP-PBX shared telephone 5 or the call control device 3 when receiving an incoming call. And store (accumulate) the missed incoming mail to a personal computer (for example, personal computer PC1) having a corresponding mail address (for example, "2001 @ mail").
[0041]
As described above, the IP private branch exchange system 1 according to the present invention includes the mail server 7 that stores missed incoming mail, responds to the missed message, and corresponds to the missed telephone number (eg, “2001”). , PC 1), a missed incoming mail is sent to the IP-PBX shared telephones 5 and 6, even if there is no user of the telephone number that has arrived. The history can be managed and the convenience can be improved.
[0042]
In this embodiment, there are two shared telephones, IP-PBX shared telephones 5 and 6, and two personal computers in shared groups 1 and 2 are personal computers PC1 and PC2 and personal computers PC3 and 4, respectively. Although the configuration is adopted, the number of IP-PBX shared telephones, the number of sharers, and the number of personal computers may be three or more (three sharers).
[0043]
As described above, the IP private branch exchange system 1 according to the present invention performs voice communication by converting a voice signal into an IP packet. A single telephone is provided with a plurality of IP addresses different for each user. Are assigned to a plurality of telephone numbers of the IP-PBX shared telephones 5 and 6 and the IP-PBX shared telephones 5 and 6 that can be used as dedicated telephones for users. A plurality of personal computers PC1 to PG4 each having a corresponding IP address and mail address and IP-PBX shared telephones 5 and 6 are logged in, and the IP addresses and telephone numbers of the IP-PBX shared telephones 5 and 6 are stored. The IP address and mail address of the PC 4 are stored, the call control device 3 that performs call control, the office line, the IP A LAN (LAN-1) for connecting the IP private branch exchange 2 composed of the rank and the exchange device 4 accommodating the extension telephone, the IP-PBX shared telephones 5 and 6, the personal computers PC1 to PC4, the call control device 3 and the exchange device 4. ), The users of the IP-PBX shared telephones 5 and 6 dial out from their own personal computer and share the incoming call addressed to them by using the ring tone and telephone number display assigned to them. Can be easily distinguished and distinguished from the user, and can be used as a personal phone for the individual user, improving convenience and reducing system costs.
[0044]
FIG. 2 is a block diagram showing the principal part of one embodiment of the IP-PBX shared telephone according to the present invention. In FIG. 2, the IP-PBX shared telephones 5 and 6 include a LAN interface 9, a DSP (Digital Signal Processor) 10, a codec 11, an amplifier 12, a telephone control means 13, a storage means 14, a signal generation means 15, an LED (light emitting diode). ) And LCD (liquid crystal display) 16, operation keys 17 such as dial keys and function keys, a handset 18, and a speaker 19 that generates a ring tone.
[0045]
The LAN interface 9 is connected to the LAN-1 to take an interface, and transmits and receives voice signals and various information IP packets under the control of the telephone control means 13.
[0046]
A DSP (Digital Signal Processor) 10 converts the IP packet into a digital signal and supplies it to the codec 11 under the control of the telephone control means 13. A DSP (Digital Signal Processor) 10 converts a digital signal into an IP packet and supplies it to the LAN interface 9.
[0047]
The codec 11 converts (decodes) a digital signal supplied from a DSP (Digital Signal Processor) 10 into an analog audio signal and supplies it to the amplifier 12 under the control of the telephone control means 13. The codec 11 encodes the audio signal supplied from the amplifier 12 to obtain a digital signal, and supplies the digital signal to a DSP (Digital Signal Processor) 10.
[0048]
The amplifier 12 includes a transmission amplifier, a reception amplifier, and a speaker amplifier, amplifies the reception voice signal supplied from the codec 11, and outputs the amplified voice signal from the earpiece of the handset 18.
[0049]
The amplifier 12 amplifies a transmission signal obtained by performing acoustic-electric conversion on the transmission voice input from the transmission mouth of the handset 18 and supplies the amplified transmission signal to the codec 11. Furthermore, the amplifier 12 amplifies the incoming signal supplied from the signal generation unit 15 via the codec 11 and outputs a ringtone from the speaker 19 under the control of the telephone control unit 13 at the time of the incoming call.
[0050]
The telephone control means 13 is based on a microprocessor and includes various processing functions, arithmetic functions, temporary storage means, a timer, etc., and includes a LAN interface 9, a DSP (Digital Signal Processor) 10, a codec 11, an amplifier 12, a storage means 14, and a signal. The operations of the generation unit 15, the display unit 16, and the operation key 17 are controlled.
[0051]
When the IP-PBX shared telephones 5 and 6 are in an operable state, the telephone control unit 13 stores the IP address and telephone number of the IP-PBX shared telephones 5 and 6 registered (stored) in the storage unit 14, personal The IP addresses and mail addresses of the computers PC1 to PC4 are read out and transmitted to the LAN-1 via the LAN interface 9 to control execution of login to be registered in the management table 3a of the call control device 3 shown in FIG.
[0052]
The telephone control means 13 takes in the calling number (calling party telephone number) and called number (called party telephone number) received by the LAN interface 9 when receiving a call, and supplies the calling number and called number to the display means 16. To display.
[0053]
Further, the telephone control unit 13 supplies a melody command corresponding to the called number (for example, telephone numbers “2001” and “2002”) captured at the time of the incoming call to the signal generation unit 15, and the telephone number (“ 2001 ”and“ 2002 ”), a ring tone signal set in advance corresponding to the telephone number (“ 2001 ”,“ 2002 ”) is generated from the speaker 19 via the codec 11 and the amplifier 12. generate.
[0054]
Further, the telephone control means 13 temporarily stores the calling number and called number received at the time of incoming call, and stores the IP address of the personal computer (for example, “2001”) stored in association with the telephone number (for example, telephone number “2001”) from the storage means 14. 196.168.0.1 ") is read and an incoming call notification added to the temporarily stored calling number and called number is sent from the LAN interface 9 to the LAN-1, and the calling number and called number are displayed on the screen of a personal computer (for example, personal computer PC1). Is displayed.
[0055]
As described above, the telephone control unit 13 according to the present invention causes the personal computers PC1 to PC4 to transmit an incoming call notification in which the destination IP address is added to the received incoming / outgoing telephone number when receiving an incoming call. Can be displayed on the personal computer of the user.
[0056]
Further, the telephone control unit 13 stores the IP address and telephone number of the IP-PBX shared telephones 5 and 6 and the IP address and mail address of the personal computers PC1 to PC4 based on the key information supplied from the operation key 17. To register (store).
[0057]
The telephone control means 13 measures the time elapsed since the incoming call, and if the handset 18 is not off-hooked (incoming response) even after the predetermined time has elapsed, the user of the called number (called party) A message command corresponding to the received called number, which is recognized as absent, is then supplied to the signal generating means 15 from the signal generating means 15, and the absence message preset from the signal generating means 15 corresponding to the called number (phone number), An absent talk key is generated, and the absent token is transmitted to the LAN-1 via the codec 11, the DSP (Digital Signal Processor) 10, and the LAN interface 9 following the absent message.
[0058]
As described above, the telephone control means 13 according to the present invention causes the absence talk key to be sent after the absence message when there is no incoming response even if a predetermined time has elapsed since the incoming call. The absence of the called party can be notified to the personal computer.
[0059]
The storage means 14 comprises a memory such as a rewritable RAM, and the IP address and telephone number of the IP-PBX shared telephones 5 and 6 and the IP addresses and mail addresses of the personal computers PC1 to PC4 are controlled by the telephone control means 13. Is stored (stored) and output.
[0060]
FIG. 6 is an image diagram of an embodiment of the storage area of the storage means according to the present invention. FIG. 4A is a storage area image diagram of an IP address, a telephone number, and a mail address, and FIG. 4B is a command image diagram of a ring tone, an absence message, and an absence talkie.
[0061]
(A) In the figure, the IP address, telephone number, and mail address storage areas are data for logging into the call control device 3 from the IP-PBX shared telephones 5 and 6, and are the same as the management table 3a shown in FIG. .
[0062]
(B) In the figure, a melody command for a ring tone, a message command for an absent message, and a talkie command for an absent talkie are stored corresponding to the incoming telephone number (called number). Since the actual ring tone, absence message, and absence talkie are generated by the signal generation unit 15, each command is a control signal for driving the signal generation unit 15.
[0063]
Next, an operation sequence of the IP private branch exchange system 1 will be described. FIG. 3 is an operation sequence diagram of one embodiment of the transmission-response of the IP private branch exchange system according to the present invention. When a call is made from the personal computer PC3 (corresponding to the telephone number “2003”) of the shared group G2 to the telephone number “2001” of the IP-PBX shared telephone 5 of the shared group G1, and the IP-PBX shared telephone 5 responds Will be described.
[0064]
In FIG. 3, first, the IP-PBX shared telephone 5 and the IP-PBX shared telephone 6 log in to the call control device 3 when becoming operable. The login is an operation of registering the IP-PBX shared telephones 5 and 6 so as to operate under the control of the call control device 3.
[0065]
At the time of login, the IP-PBX shared telephones 5 and 6 call the own telephone number, the IP address of the own telephone, the mail address corresponding to the user (shared person) of the telephone number, and the IP addresses of the personal computers PC1 to PC4. It transmits to the control apparatus 3. As a result, the call control device 3 can associate with which address the information for the corresponding telephone number should be transmitted.
[0066]
In FIG. 3, (1) the telephone number “2001” assigned to one of the two shared persons of the IP-PBX shared telephone 5, the IP address “192.168.0.12” of the IP-PBX shared telephone 5, and the telephone number “ "2001" mail address "2001 @ mail", the personal computer PC1 IP address "192.168.0.1", and the other two of the two sharers assigned to the telephone number "2002" and IP- The IP address “192.168.0.12” of the PBX shared telephone 5, the mail address “2002 @ mail” for the telephone number “2002”, and the IP address “192.168.0.2” of the personal computer PC2 are transmitted to the call control device 3. The call control device 3 receives the information (1) and (2), and the management table shown in FIG. 5 shows the IP address and telephone number of the IP-PBX shared telephone 5, and the mail address and IP address of the personal computers PC1 and PC2. Store in 3a.
[0067]
Similarly, (3) the telephone number “2003” assigned to one of the two shared persons of the IP-PBX shared telephone 6, the IP address “192.168.0.34” of the IP-PBX shared telephone 6, and the telephone number “2003” E-mail address for "2003 @ mail" and the IP address "192.168.0.3" of the personal computer PC3, and (4) phone number "2004" and IP-PBX assigned to the other one of the two sharers The IP address “192.168.0.34” of the shared telephone 6, the mail address “2004 @ mail” for the telephone number “2004”, and the IP address “192.168.0.4” of the personal computer PC 4 are transmitted to the call control device 3. The call control device 3 receives the information of (3) and (4), and the management table shown in FIG. 5 shows the IP address and telephone number of the IP-PBX shared telephone 6 and the mail address and IP address of the personal computers PC3 and PC4. Store in 3a.
[0068]
Next, the personal computer PC3 activates a call to the IP-PBX shared telephone 5 (for example, telephone number “2001”). This call activation is executed by transmitting a command to the IP address “192.168.0.34” of the IP-PBX shared telephone 6.
[0069]
Upon receiving the command from the personal computer PC3, the IP-PBX shared telephone 6 determines the telephone number “2003” corresponding to the personal computer PC3, and the calling information of the calling number “2003” and the called number “2001”. Is called to the call control device 3.
[0070]
When the call control device 3 receives the call information from the IP-PBX shared telephone 6, it searches the management table 3a shown in FIG. 5 based on the call number “2001”, and the call number “2001” is IP- The telephone number “2001” of the PBX shared telephone 5 is recognized, and call control for calling the calling number “2003” and the called number “2001” to the IP-PBX shared telephone 5 is executed.
[0071]
When the call control device 3 recognizes that the incoming call number “2001” is the telephone number “2001” of the IP-PBX shared telephone 5, the IP address of the personal computer PC1 searched in the management table 3a shown in FIG. Call control is executed in which “X: incoming call notification” in which “192.168.0.1” is added to the calling number “2003” and the called number “2001” is transmitted to the personal computer PC1.
[0072]
When the IP-PBX shared telephone 5 receives the incoming call information “2003” and the incoming call number “2001” from the call control device 3, the IP-PBX shared telephone 5 generates a “ring tone” corresponding to the incoming call number “2001”. Then, the user (shared person) for the telephone number “2001” is notified of the incoming call, and the calling number “2003” and the called number “2001” are displayed on the display means 16.
[0073]
When the personal computer PC1 receives “X: incoming notification” of the IP address “192.168.0.1”, the calling number “2003”, and the called number “2001” from the call control device 3, the calling number is displayed on the personal computer screen. “2003” and the incoming call number “2001” are displayed to notify the user of the personal computer PC1 that the call is incoming.
[0074]
Instead of displaying the calling number “2003” and the called number “2001” on the screen of the personal computer PC 1 by “X: notification of incoming call” from the call control device 3, the IP-PBX shared telephone 5 May be configured to transmit “Y: incoming call notification” in which the IP address “192.168.0.1” is added to the calling number “2003” and the called number “2001” and displayed on the personal computer screen.
[0075]
Subsequently, when the IP-PBX shared telephone 5 picks up the handset 18 (responds to the off-hook state) and responds to an incoming call, the call control device 3 detects the response and controls connection to the IP-PBX shared telephone 6 so that the IP-PBX A call between the user (shared person) of the telephone number “2003” of the shared telephone 6 and the user (shared person) of the telephone number “2001” of the IP-PBX shared telephone 5 is established.
[0076]
When the call is finished and the handset 18 of the IP-PBX shared telephone 6 is returned (on-hook state), the call is disconnected through the call control device 3.
[0077]
FIG. 4 is an operation sequence diagram of an embodiment of a call origination-absence response of the IP private branch exchange system according to the present invention. A call is made from the personal computer PC3 (corresponding to the telephone number “2003”) of the shared group G2 to the telephone number “2001” of the IP-PBX shared telephone 5 of the shared group G2, and the telephone number “IP” of the IP-PBX shared telephone 5 is set. The case where the user of “2001” is absent and cannot respond will be described.
[0078]
Further, the operation sequence from the call from the personal computer PC3 to the arrival at the telephone number “2001” of the IP-PBX shared telephone 5 is the same as that in FIG.
[0079]
In FIG. 4, when an incoming call is received at the telephone number “2001” of the IP-PBX shared telephone 5, the IP-PBX shared telephone 5 continues to ring with a ring tone, but when a predetermined time elapses, a user (shared It is determined that the user is absent, and an absence response message is transmitted to the call control device 3, followed by an absence response talkie.
[0080]
When the call control device 3 receives the absence response message from the IP-PBX shared telephone 5, the call control device 3 transmits “V: missed incoming mail” to the mail address corresponding to the telephone number “2001” to the mail server 7.
[0081]
When the mail server 7 receives “V: missed call mail”, the mail server adds the mail address “2001 @ mail” to the calling number “2003” and the called number “2001” to the personal computer PC1. ] Is sent.
[0082]
Instead of sending “V: missed call mail” from the call control device 3 to the mail server 7, “W: missed call mail” is sent from the IP-PBX shared telephone 5 to the mail server 7. May be.
[0083]
In addition, by making a mail transfer setting from the personal computer PC1 to the mail server 7 in advance and setting the mail transfer destination to an e-mail address such as a mobile phone, the subscriber (sharer) with the telephone number “2001” can You can receive missed incoming mail even when you are away from home, and you can know the incoming call history of your phone.
[0084]
The IP-PBX shared telephone 5 transmits the absence response message and the absence response talkie, and then transmits the absent talkee to the IP-PBX shared telephone 6, and the IP-PBX shared telephone 6 executes the disconnection process and ends.
[0085]
3 and 4, the call connection between the IP-PBX shared telephone 5 and the IP-PBX shared telephone 6 has been described, but the same processing is performed for incoming calls from the switching apparatus 4 to the IP-PBX shared telephones 5 and 6. can do.
[0086]
【The invention's effect】
As described above, the IP private branch exchange system according to the present invention is an IP private branch exchange system that performs voice communication by converting voice signals into IP packets. Assigned telephone numbers, ringing different ringtones for each telephone number, and corresponding to multiple telephone numbers of IP-PBX shared telephone (IP telephone) and IP-PBX shared telephone that can be used as dedicated telephones for users Log in from a plurality of personal computers having IP addresses and mail addresses, and IP-PBX shared telephones, store IP addresses and telephone numbers of IP-PBX shared telephones, IP addresses and mail addresses of personal computers, and perform call control Accommodates call control equipment, office lines, IP trunks, and extension telephones IP private branch exchanges, and IP-PBX shared telephones, personal computers, call control devices, and LANs to which the switching apparatuses are connected, so that users of IP-PBX shared telephones can use their own personal Dialing from a computer, the ringtone assigned to you and the phone number display make it easy to distinguish incoming calls from other sharers and use it as if it were a user's personal dedicated phone. Improvement in system performance and cost reduction of the system can be realized.
[0087]
In addition, the personal computer according to the present invention is linked to the IP-PBX shared telephone (IP telephone), and displays the incoming / outgoing telephone number when the IP-PBX shared telephone receives an incoming call. On the personal computer screen, it is possible to recognize from whom the incoming call is addressed, and it is possible to improve convenience as a dedicated telephone regardless of the shared telephone.
[0088]
Furthermore, since the call control apparatus according to the present invention includes a management table for storing the IP address and telephone number of the IP-PBX shared telephone (IP telephone) and the IP address and mail address of the personal computer in association with each other, Call control of the IP-PBX shared telephone set with the number and the personal computer corresponding to the telephone number can be reliably executed.
[0089]
In addition, the IP private branch exchange system according to the present invention includes a mail server for storing missed call mails, and responds to missed messages and transmits missed call mails to personal computers corresponding to missed telephone numbers. Even if there is no user of the telephone number that has arrived at the telephone (IP telephone), it is possible to leave a missed incoming mail on the personal computer of the absent user and manage the incoming call history at the time of absence, thereby improving convenience. Can do.
[0090]
Furthermore, the IP-PBX shared telephone (IP telephone) according to the present invention assigns a plurality of different telephone numbers for each IP address and user to one telephone, and rings a different ring tone for each telephone number. An IP-PBX shared telephone that can be used as a dedicated telephone for a user, a LAN interface that transmits and receives IP packets to and from a LAN, a plurality of telephone numbers and telephone IP addresses, and a plurality of telephones that correspond to a plurality of telephone numbers Storing means for storing the mail address and IP address of the personal computer, signal generating means for generating different ring tones for each telephone number, display means for displaying the incoming and outgoing telephone numbers, and telephone control means for controlling the overall operation of the telephone Because it is equipped with, by ringing a different ringtone for each phone number and displaying the phone number of incoming and outgoing calls, May be used as dedicated telephone user individuals, it is possible to improve the convenience.
[0091]
Also, the telephone control means according to the present invention causes the personal computer to send an incoming call notification in which the destination IP address is added to the received incoming / outgoing telephone number at the time of incoming call, so that the personal computer of the user of the incoming telephone number The caller's phone number and the incoming phone number can be displayed on the screen.
[0092]
Further, the telephone control means according to the present invention causes the absence talk key to be sent after the absence message when there is no incoming call response even after a predetermined time has elapsed since the incoming call, so that the IP-PBX shared telephone (IP telephone) on the calling side ) And the absence of the called party can be notified to the personal computer.
[Brief description of the drawings]
FIG. 1 is a basic configuration diagram of an embodiment of an IP private branch exchange system according to the present invention.
FIG. 2 is a block diagram of a main part of an embodiment of an IP-PBX shared telephone according to the present invention.
FIG. 3 is an operation sequence diagram of an embodiment of a transmission-response of the IP private branch exchange system according to the present invention.
FIG. 4 is an operation sequence diagram of an embodiment of a call origination-absence response of the IP private branch exchange system according to the present invention.
FIG. 5 is an image diagram of an embodiment of a management table according to the present invention.
FIG. 6 is an image view of an embodiment of a storage area of a storage means according to the present invention.
[Explanation of symbols]
1 IP private branch exchange system
2 Private branch exchange
3 Call control device
3a Management table
4 exchange equipment
5,6 IP-PBX shared telephone
7 Mail server
8 routers
9 LAN interface
10 DSP (Digital Signal Processor)
11 Codec
12 Amplifier
13 Telephone control means
14 Storage means
15 Signal generation means
16 Display means
17 Operation keys
18 Handset
19 Speaker
20
PC1 to PC4 Personal computer
LAN1, LAN2 run

Claims (5)

In an IP private branch exchange system that performs voice communication by converting voice signals into IP packets,
Assignment of a single IP address and a telephone number of a multiple are possible, and ringing available-for IP phones different ring tones for each of the telephone numbers,
And multiple personal computers that operate in response to a plurality of telephone number of the IP telephone,
With associating the IP address and the plurality of telephone number before Symbol IP telephone, also stores associating information IP address of the personal computer for each of the telephone number, the call control for the IP telephone and the personal computer A call control device that performs via a LAN,
When there is an incoming call to the telephone number of the IP telephone under control, the call control device executes incoming call control for the IP telephone and sends the call to the IP address of the personal computer corresponding to the telephone number. An IP private branch exchange system characterized in that incoming call notification information including a telephone number of a subscriber is transmitted . 2. The IP private branch exchange system according to claim 1, wherein when the personal computer receives the incoming call notification information , the personal computer displays an incoming / outgoing telephone number. A mail server for storing missed incoming mail, and responding to a missed message from the call control device or the destination IP telephone, and sending the missed incoming mail to the IP address of the personal computer corresponding to the missed telephone number The IP private branch exchange system according to claim 1. An IP telephone set capable of assigning one IP address and a plurality of telephone numbers and capable of ringing a different ringtone for each telephone number,
A LAN interface for sending and receiving IP packets to and from the LAN;
Storage means for associating an IP packet of the IP telephone with a plurality of telephone numbers, and storing information associating the IP address of the personal computer for each telephone number;
Signal generating means for generating different ring tones for each telephone number;
Phone control means for controlling the overall operation of the phone,
When there is an incoming call to the LAN interface, the signal generating means generates a ring tone corresponding to the incoming telephone number, and the telephone control means receives an incoming call to the IP address of the personal computer corresponding to the telephone number. I P phone, characterized by sending a notification information. 5. The IP telephone according to claim 4 , wherein said telephone control means sends out an absent talk key following an absent message when there is no incoming response even after a predetermined time has elapsed since the incoming call .

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