JP2003218913A - Communication controller, switch interface port determination method, storage medium, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively utilize bands in the case of collectively processing real time data and non real time data. <P>SOLUTION: A communication controller includes: multiplexers/demultiplexers 104, 105 for containing an IP (internet protocol) network and connected to a network; PBX interface boards 101, 102 connected to the network and each including a plurality of PBX interface ports; and an NMS (network management system) 103 for determines an PBX interface port used for an outgoing call from the communication controller so that an incoming call from a PBX and the outgoing call from the communication controller do not collide with each other to the utmost on the basis of a PBX interface port state management table and controls all the PBX interface ports so as to be used at a uniform frequency of use. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication control device, a switch interface port determining method, a storage medium, and a program, and more particularly, it accommodates a network based on IP (Internet Protocol) and LAN (Local Area Network
(rk) non-real-time data such as data and real-time data such as voice are integrated and handled, and a communication control device and an exchange interface that perform communication control while guaranteeing QOS (Quality of Service) of real-time data. The present invention relates to a port determination method, a storage medium, and a program.

[0002]

2. Description of the Related Art Conventionally, among technologies related to a communication environment in which real-time data such as voice and LAN data and non-real-time data are integrated and handled, an ATM (Asynchronous Trans
fer Mode: Asynchronous transfer mode) and frame relay existed. However, in recent years, the integration of real-time data and non-real-time data by ATM or frame relay requires a huge cost for maintaining the broadband communication environment and lacks flexibility regarding equipment expansion. In order to provide a communication environment in which real-time data and non-real-time data are integrated at a relatively low cost while ensuring flexibility regarding expansion, physically, Ethernet (registered trademark), the Internet, or a closed IP network (IPVPN) is used. Construction of communication environment is becoming popular. VOIP technology can be cited as a communication technology in an integrated communication environment of real-time data and non-real-time data that logically uses IP.

[0003]

However, the VOI
The P technology is a technology for handling voice that is real-time data on the IP, and if the environment is transparent to the IP,
It is possible to provide a communication environment in which non-real-time data such as LAN data by IP and voice which is real-time data are integrated. However, the VOIP technology has problems that it is difficult to effectively use the band and that it is difficult to maintain the quality of voice in a voice call (QOS: guarantee of service quality).

The present invention has been made in view of the above-mentioned problems, and it is an object of the present invention to effectively use a band when collectively handling real-time data and non-real-time data.

Another object of the present invention is to maintain the quality of voice in a voice call.

It is another object of the present invention to easily construct an extension telephone network based on a simplified number system.

[0007]

In order to achieve the above-mentioned object, the present invention integrates real-time data and non-real-time data and handles them together with a switch and at least one switch.
A communication control device connectable to one or more multiplex division devices, which accommodates a network by IP (Internet Protocol) and is connected to the network, and at least one or more multiplex division means. At least one or more exchange interface means having one or more exchange interface ports; and a supervising management means for supervising and managing the multiplex device, the multiplex division means, and the exchange interface means.
Based on the usage statuses of all the switch interface ports, the switch interface ports used for the call from the communication control device side are set so that the incoming call from the switch side does not collide with the call from the communication control device side. A communication control device having a determination means for determining and a use frequency control means for controlling all the exchange interface ports to be used at an equal frequency, and a switch interface port and a switch interface port determination method in the communication control device are executed. A program and a storage medium storing the program are provided.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION First, an outline of an embodiment of the present invention will be described. In this embodiment, all PBs that can be expanded in a communication control device that handles real-time data such as voice and incorporates an IP (Internet Protocol) network.
X (Private Branch Exchange) interface ports are centrally managed to prevent collision of incoming and outgoing calls and smooth the failure occurrence rate of all PBX interface ports. That is, multiple multiplex devices and multiple PBXs
In the NMS (Network Management System), which is a node in the network that manages the interface as a whole, the states of all PBX interface ports are managed collectively, and the incoming call from the PBX side and the outgoing call from the communication control unit side collide as much as possible. A communication control device having means for selecting a PBX interface port used for making a call from the communication control device side and means for using all PBX interface ports provided in the communication control device at an equal frequency To do. Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of a communication control apparatus according to an embodiment of the present invention. The communication control device includes a PBX interface board 1/101, a PBX interface board 2/102, an NMS 103, a multiplexing division device 1/104, a multiplexing division device 2/105, and an IP network 106 in the communication control device. 10 in the figure
7 is a multi-division device, 108 is a multi-division device, and 109 is P
BX, 111-118, 120-121 are telephone lines (T
EL).

The above-mentioned structure will be described in detail.
7 and 108 are supposed to be installed at, for example, a regional sales office, and the multiple division device 10 is used, for example.
Four telephone lines 111, 112, 113, 114 are connected to 7. Similarly, four telephone lines 115, 116, 117 and 118 are connected to the multiplexing device 108. The communication control device for concentrating the multiplexers 107 and 108 is a WAN (Wide Area Network) line (ISDN (Inte
grated service digital network) or a dedicated line).
Specifically, the multiplex division device 1 included in the communication control device
104, multiplex division devices 2 and 105, and multiplex division devices 107 and multiplex division devices 108 installed at the bases are respectively connected.

Multiplexing devices 1 and 10 in the communication control device
4. Multiplexing devices 2 and 105 are connected to the IP network 106 in the communication control device, and each has an IP address. The PBX interface boards 1 and 101 and the PBX interface boards 2 and 102 are connected to the IP network 106 in the communication control device. The PBX interface boards 1 and 101 and the PBX interface boards 2 and 102 have several PBX interface ports (ODT ports) 101a and PBX interface ports (ODT ports) 102a, respectively.
The user can add a plurality of PBX interface boards as needed. Further, in the communication control device I
The P network 106 includes a PBX interface board 1/101 and a PBX interface board 2/102.
And the multi-dividing device 1.104 and the multi-dividing device 2.10
5, an NMS 103 for centrally managing the multiplex device 107 and the multiplex device 108 is connected.

FIG. 2 is a diagram showing a call connection procedure realized on the IP relayed by the NMS 103 of the communication control apparatus according to the present embodiment. Referring to FIG. 2, the communication control unit N
The role of the MS 103 is shown. For example, TEL1.111 is T
When making a call to the EL 21/121, it is necessary to establish a call before making a call. However, in order to establish a call in the communication control device, the TTC (The Telecommunication Tech.
nology Committee: Telegraph and Telephone Technical Committee), it is necessary to perform the Q931 call control procedure on the IP network.

The call is established by transmitting and receiving signaling data from the calling side to the called side. The call control procedure starts with S, which is signaling data from the calling side.
Initiated by the transmission of ETUP 304, 305, and the CALPROC 306, 307 and CONNECT
After sending / receiving 308 and 309, CONNACK31
When the transmission and reception of 0 and 311 are completed, the call connection is completed,
You can start the call. These signaling IP frames (hereinafter abbreviated as signaling frames) in the communication control apparatus according to the present invention are composed of IP frames, and the NMS 302 (103 in FIG. 1) uses these signaling frames for call control (IP It needs to be relayed to the correct node in the IP network that can reach the correct party (specified by the address). For this purpose, the NMS 302 (103 in FIG. 1) uses the pickup table (extension number management table) shown in FIG.

FIG. 3 is a diagram showing a pickup table (extension number management table) held by the NMS 302 (103 in FIG. 1) of the communication control apparatus according to the present embodiment. The NMS 302 (103 in FIG. 1) of the communication control device determines the IP address of the communication partner from the calling extension number and the receiving extension number shown in the signaling frame, and sends the signaling frame to the board having the IP address. This pickup table is composed of fields such as Media IP address, TEL port number, telephone number, and Media type. In the figure, 201 to 210 are first to tenth records.

The Media IP address refers to the IP address of each of the multiplexers 104, 105, 107 and 108 and the PBX interface boards 101 and 102. TEL
The port numbers are the multiplex devices 104, 105, 107,
108 and the TEL port numbers on the PBX interface boards 101 and 102. The telephone number indicates a telephone number (extension number) assigned to each TEL port. Me
The dia type indicates whether the board having the IP address is a multiplex device or a PBX interface board.

For example, the first record 201 is 192.1
It indicates that the first TEL port of the multiplex device having the IP address of 68.10.10 has the telephone number (extension number) of "201". Similarly, the fifth record 205 is 19
It shows that the first TEL port of the multiplex device having the IP address of 2.168.10.11 has the telephone number (extension number) of "101". Here, the IP address of 192.168.10.30 shown in the ninth record 209 is
Indicates that this is a PBX interface board, and this P
It is shown that all PBX interface ports mounted on the BX interface board have extension numbers starting with "5". Furthermore, for the tenth record 210, a P having an IP address of 192.168.10.33 is also used.
It is shown that all PBX interface ports mounted on the BX interface board start with the extension number "5". In this way, the same selection number (5 in this embodiment) is assigned to the user side PBX interface port.

For example, in FIG. 5, "extension 101" 401
When making a call from the "extension 502" 410 from this communication control device via this communication control device, this communication control device uses two PBX interface boards 101 and 102 (each having an IP address
2.168.10.30, 192.168.10.33), which of the eight PBX interface ports should be used to make the call to "extension 502" 410 Have to decide. This determination procedure will be described with reference to FIG.

FIG. 4 is a PBX interface port status management table (usage status management means) held by the NMS 103 (302 in FIG. 2) of the communication control apparatus according to this embodiment.
FIG. The NMS 103 (302 in FIG. 2) of the communication control device holds the PBX interface port status management table for managing the usage status of all PBX interface ports as shown in FIG. 4, and uses the PBX for the call.
Determine the interface port. The PBX interface port status management table includes Media IP address, port, in-use identification, call origination / arrival identification, call extension number,
It consists of fields such as the extension number. 21 in the figure
1 to 218 are the first record to the eighth record.

The Media IP address indicates the IP address of the PBX interface board on which the PBX interface port is mounted. Port is its PB
The X interface port indicates the number of the PBX interface port on the PBX interface board. The busy identification indicates whether or not the PBX interface port is busy. Further, the origination / termination identification indicates whether the PBX interface port is used for the origination call from the communication control unit side or the origination call from the PBX side. The calling extension number indicates the extension number of the calling telephone of the call. The called extension number indicates the extension number of the called telephone of the call.

Next, the NMS 103 (302 in FIG. 2) of the communication control apparatus according to the present embodiment is shown in FIG.
A procedure for relaying a signaling frame using the pickup table (extension number management table) and the PBX interface port state management table of FIG. 4 will be described.

In FIG. 5, for example, the communication control unit is activated, the NMS 103 (302 in FIG. 2) has the pickup table in FIG. 3, and the PBX interface port state management table in FIG. 4 is in the initialized state (all ports are unused. )
Consider a situation in which the first call is made from "extension 101" 401 to "extension 502" 410 under the condition of. The SETUP signaling frame from the "extension 101" 401 is transmitted to the multiplex division device 107, the multiple division division device 1 ...
NM received via 104 (step S1 in FIG. 7)
S103 (302 in FIG. 2) needs to recognize from the pickup table in FIG. 3 that the telephone of “extension 502” 410 is ahead of the PBX 109 via the PBX interface board and relay the SETUP signaling frame to the PBX interface port. Is recognized (step S2 in FIG. 7).

Further, the NMS 103 tries to determine which PBX interface port to use by referring to the PBX interface port status management table of FIG. In the case of this example, since the PBX interface port state management table is unused for all ports, first of all, the PBX indicated in the first record 211, which is the first record.
It is assumed that the use of the interface port is decided (step S3 in FIG. 7). That is, the NMS 103 receives the SE
The TUP signaling frame is set to 192.168.10.
It can be determined that the transmission should be made to the PBX interface board 101 having the IP address of 30 (at this time,
It may be necessary to set the use of "PBX interface port 1" in the SETUP signaling frame.

The NMS 103 registers in the first record 211 of the PBX interface port status management table of FIG. 4 that it is "in use", "calling", "calling extension number 101", and "calling extension number 502". (Step S in FIG. 7
4), PBX interface board 101 judged above
A SETUP signaling frame is transmitted to (step S5 of FIG. 7). In addition, NMS103 is
Following the P signaling frame, a series of call establishment procedures CALLPROC, CONNECT as shown in FIG.
T and CONACK are relayed, and an attempt is made to establish the call (call) shown by 430 in FIG. 5 (step S in FIG. 7).
6).

In this process (the process of establishing this call),
Among the second and subsequent signaling frames following the SETUP signaling frame, the transmission destination of the signaling frame transmitted from “extension 101” 401 to “extension 502” 410 is the first in the PBX interface port state management table of FIG. "Calling extension number 101" and "Calling extension number 502" shown in one record 211
And the destination PBX of the signaling frame
It may be necessary to determine the interface board. In this way, the call (call) of 430 shown in FIG. 5 is established (step S7 of FIG. 7).

Further, when the extension 430 is established and the "extension 101" 401 and the "extension 502" 410 are in conversation, this time, the "extension 505" 411 calls the "extension 102" 402. Consider the call connection of 431 in. "Extension 505" 411 to "Extension 102" 4
For the call to 02, when the call arrives at the youngest available PBX interface port of the communication control device via the PBX 109, the NMS 103 receives the SETUP signaling frame from the PBX interface board 1/101, and The second record 212 of the PBX interface port status management table of is updated as shown in FIG.

Signaling frame relay and call establishment are
The procedure is the same as that of the call establishment of 430 in FIG. 5 described above. The policy of calling from the PBX 109 to the PBX interface port (ODT port) of the communication control device (incoming call from the viewpoint of the communication control device) may be descending or ascending order.
It is desirable that the calling policy is set in advance in the NMS 103 (302 in FIG. 2).

In the present embodiment, the case where the calling policy of the PBX 103 is set to use the PBX interface ports in ascending order will be described. In this case, it is assumed that the NMS 103 is also informed (set) of this policy. That is, when the call 431 in FIG. 5 is established, the NMS 103 (302 in FIG. 2)
If the PBX 109 makes a call next time, FIG.
It can be assumed that the PBX interface port indicated by the third record 213 will be called among all the PBX interface ports registered in the PBX interface port state management table of FIG. This "port that will receive an incoming call from the PBX 109" is the PBX.
It is assumed that each time there is an incoming call from 109, it is recalculated (repredicted) in the NMS 103 (302) and held.

In this situation, this time "extension 103" 403
Consider the case of calling from "extension 506" 412.
The NMS 10 that has received the SETUP signaling frame from the “extension 103” 403 (step S11 in FIG. 8).
3 (302 in FIG. 2) needs to determine the PBX interface port used to make a call to “extension 506” 412, but in the situation of the PBX interface port state management table in FIG. 4 at this point, The first record 211 and the second record 212 are registered,
Furthermore, it has been determined that the port that will be subsequently called from the PBX 109 may come to the port shown in the third record 213 of the PBX interface port state management table of FIG.

That is, if the NMS 103 (302 in FIG. 2)
4 uses the third PBX interface port shown in the third record 213 of the PBX interface port state management table of FIG. 4, the incoming call from the PBX side and the outgoing call from the communication control unit side collide. There is a possibility that However, in reality, there are 5 other PBX interface ports, and it is not allowed to cause a call failure "busy" due to a signaling collision at this stage in view of the loss ratio. That is, the NMS 103 needs to make a call from the PBX interface port that has no possibility of collision, and in case of two incoming calls continuously from the PBX side as a precaution, it is the fifth port. It is determined to use the PBX interface port shown in the fifth record 215 (step S12 in FIG. 8).

That is, the SETUP signaling frame transmitted from the "extension 103" 403 is the NMS 103
PBX interface board 2 · 102 (19
The IP address is 2.168.10.33) (step S13 in FIG. 8). At this time, of course, the fifth record 215 of the PBX interface port status management table of FIG. 4 is updated during use (step S of FIG. 8).
14). As for the call that ended the call, as soon as the NMS 103 detects the call end signaling frame, the PB of FIG.
The status of the corresponding port record is updated to unused from the X interface port status management table. On the other hand, N
The MS 103 stores the last-used PBX interface port (step S15 in FIG. 8).

For example, when all the above-mentioned calls are completed,
Although all the records (ports) in the PBX interface port state management table of FIG. 4 are initialized to unused, it is stored in the NMS 103 that the last used port is the port shown in the fifth record. At this stage, for example, “extension 101” 401 to “extension 502” 410 again
When a call is made to the NMS 103,
Instead of using the PBX interface port shown in the first record 211 at the head of the BX interface port state management table, the port next to the fifth port that is the last used PBX interface port is used (step in FIG. 8). S16). That is, the sixth record 21
The PBX interface port shown in 6 is used.
As a result, all PBX interface ports are used almost equally, and it is possible to prevent deterioration of PBX interface ports evenly over all ports.

Finally, when a new call is generated while 7 ports out of all 8 ports shown in the PBX interface port state management table of FIG. 4 are used (only one PBX interface port is in an idle state). In case of), the explanation is added about the collision that may occur.

FIG. 6 shows that an outgoing call from the communication control device side and an incoming call from the PBX side occur at the same time, and as a result, the incoming call from the PBX side is a little earlier than the last PBX interface port. It is a figure which shows the case where is grasped. At this time, at the time indicated by A (340) in the figure, NMS321
(103 in FIG. 5) recognizes that the last free PBX interface port in the PBX interface port state management table shown in FIG. 4 is used (step S21 in FIG. 9), and in fact, mounts the PBX interface port. SETU on the PBX interface board 320
The P signaling frame (326) is relayed (step S22 in FIG. 9) and the PBX interface port status management table in FIG. 4 is updated (step S23 in FIG. 9).

However, the PBX at B (341) in the figure
The SETUP signaling frame (325) from the interface board 320 is the NMS 321 (10 in FIG. 5).
Upon arrival at 3), NMS321 (103 in FIG. 5)
Is the SE that has been transmitted to the PBX interface board 320.
It is possible to detect that the TUP signaling frame (326) and the SETUP signaling frame (325) arrived from the PBX interface board 320 collide. That is, by overwriting (updating the table) the corresponding ports (the source port of the SETUP signaling frame and the port where the SETUP signaling frame will arrive) of the PBX interface port state management table of FIG. 4 by this incoming call ( In step S24) of FIG. 9, the call connection procedure can be continued without any problem even when a collision is detected.

In this case, the SETUP signaling frame (326) that has already been transmitted to the PBX interface board 320 is detected as a RELCOMP (329) which is a signaling frame indicating that the PBX interface board 320 has detected a collision and is busy. NMS
321 (103 in FIG. 5) will be returned (FIG. 9).
Step S25). In this example, the SETUP signaling frame (326) is invalid and the SETUP signaling frame (325) is valid, and the portion related to the invalid SETUP signaling frame (326) in the PBX interface port state management table is overwritten. That is, the PB in the NMS 321 (103 in FIG. 5)
The X interface port management procedure can continue the operation without any contradiction even if the case of collision is taken into consideration.

As described above, according to the embodiment of the present invention, real-time data such as voice and non-real-time data are integrated and handled, and communication control capable of connecting to the PBX 109 and the multiplexers 107 and 108 is performed. In the apparatus, a PBX interface board 101 and a PBX interface, each of which is provided with a network based on IP and is connected to the network, are provided with a plurality of PBX interface ports. Board 1
02, and the multiple division devices 104, 105, 107 and 10
8. The PBX interface boards 101 and 102 are collectively managed, and based on the PBX interface port state management table, the communication control device side prevents the incoming call from the PBX side and the outgoing call from the communication control device side from colliding as much as possible. The NMS 103 that determines the PBX interface port to be used for the outgoing call and controls all PBX interface ports to be used at an equal frequency, so that real-time data and non-real-time data are handled collectively The bandwidth can be effectively used.

Further, even if the real-time data and the non-real-time data are handled collectively, the quality of voice in the voice call can be maintained.

Further, it is possible to easily construct an extension telephone network based on a simplified number system.

A user who has introduced this communication control device can freely add a PBX interface port (ODT port) which is a PBX interface.

Since it is possible to set the same selection number (telephone number) to the PBX interface port (ODT port) of this communication control device, an extension telephone network based on a simplified number system is used. Can be built.

In addition, an extension call via the PBX interface port (ODT port) of the present communication control device is called by busy unless all PBX interface ports (ODT port) installed in the communication control device are in use. Not disabled.

Further, all PBX interface ports (ODT ports) can be used uniformly without failure of a specific PBX interface port (ODT port) of the communication control device.

The present invention may be applied to a system composed of a plurality of devices or an apparatus composed of a single device. A medium such as a storage medium that stores a program code of software that realizes the functions of the above-described embodiments is supplied to a system or apparatus, and the computer (or CPU or MPU) of the system or apparatus stores the medium in the medium such as the storage medium. It goes without saying that the present invention can also be achieved by reading and executing the executed program code.

In this case, the program code itself read from the medium such as the storage medium realizes the functions of the above-described embodiments, and the medium such as the storage medium storing the program code constitutes the present invention. It will be. As a medium such as a storage medium for supplying the program code, for example, a floppy (registered trademark) disk, a hard disk, an optical disk, a magneto-optical disk, a CD-RO.
M, CD-R, magnetic tape, non-volatile memory card,
ROM or download via a network can be used.

Moreover, not only the functions of the above-described embodiment are realized by executing the program code read by the computer, but also the OS or the like running on the computer is actually executed based on the instruction of the program code. Needless to say, the present invention includes a case where a part or all of the processing of (1) is performed and the functions of the above-described embodiments are realized by the processing.

Further, after the program code read from a medium such as a storage medium is written in a memory provided in a function expansion board inserted in the computer or a function expansion unit connected to the computer, the instruction of the program code is given. Based on the above, a case where a CPU or the like included in the function expansion board or the function expansion unit performs a part or all of actual processing and the processing realizes the functions of the above-described embodiments is not included in the present invention. Needless to say.

[0047]

As described above, according to the present invention,
It is possible to improve the expandability of a device that handles real-time data and non-real-time data as a whole.

Further, it is possible to effectively use the band when the real-time data and the non-real-time data are collectively handled, because the extension network can be easily constructed because the communication is unlikely to occur.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a communication control device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a call connection procedure realized on an IP relayed by an NMS of the communication control device according to the present embodiment.

FIG. 3 is a diagram showing an extension number management table (pickup table) of the communication control device according to the present embodiment.

FIG. 4 is a diagram showing a PBX interface port state management table of the communication control device according to the present embodiment.

FIG. 5 is a block diagram showing a call connection example of the communication control device according to the present embodiment.

FIG. 6 is a diagram showing a case of signaling frame collision of the communication control apparatus according to the present embodiment.

FIG. 7 is a schematic flowchart showing a communication control process of the communication control device according to the present embodiment.

FIG. 8 is a schematic flowchart showing a communication control process of the communication control device according to the present embodiment.

FIG. 9 is a schematic flowchart showing a communication control process of the communication control device according to the present embodiment.

[Explanation of symbols]

101 PBX Interface Board 1 (Exchange Interface Means) 102 PBX Interface Board 2 (Exchange Interface Means) 103 NMS (Overall Management Means, Determining Means, Usage Frequency Control Means) 104 Multiplexing Division 1 (Multiplexing Division) 105 Multiplexing Division 2 (Multiplexing means) 106 IP network (network) in communication control device 107 Multiplexing device 108 Multiplexing device 109 PBX (exchange) 111-118, 120-121 Telephone line

   ─────────────────────────────────────────────────── ─── Continued front page    F term (reference) 5K030 GA13 HA11 HB01 HB21 JT01                       KA05 KX22 LB02 LB05 LE03                       MA12 MB09                 5K051 AA02 BB01 DD03 DD09 FF01                       FF02 FF18 GG02 GG14 GG15                       JJ04 JJ07

Claims (11)

[Claims] 1. An integrated switch for handling real-time data and non-real-time data, and a switch and at least one switch.
A communication control device connectable to one or more multiplex division devices, which accommodates a network by IP (Internet Protocol) and is connected to the network.
One or more multiplex division means, at least one or more exchange interface means connected to the network and having at least one or more exchange interface ports, and the multiplex division device, the multiplex division means, and the exchange interface means Based on the use status of the managing means for managing and all the exchange interface ports, a call from the communication control side is made so that an incoming call from the exchange side does not collide with a call from the communication control side. 1. A communication control device comprising: a determining unit that determines an exchange interface port to be used in the above; and a use frequency control unit that controls all the exchange interface ports to be used at an equal frequency. 2. A switching system which has a usage status managing means for managing usage statuses of all the switch interface ports, and wherein the determining means uses the calling status based on the usage status managed by the usage status managing means. The communication control device according to claim 1, wherein the interface port is determined. 3. The information on the usage status managed by the usage status management means is I of the switching system interface means equipped with the switching interface port.
Information indicating a P address, information indicating which number of the exchange interface port the exchange interface port is in the exchange interface means, information indicating whether the exchange interface port is in use,
Information indicating whether the exchange interface port is used for a call from the communication control unit side or used for an incoming call from the exchange side, and information indicating an extension number of the caller telephone of the call. 3. The communication control device according to claim 2, further comprising information indicating an extension number of a called telephone of the call. 4. An extension number management means for managing information for transmitting a signaling frame for call control, wherein the overall management means is based on the IP address calculated from the extension number management means. The communication control device according to claim 1, wherein the communication control device transmits a frame. 5. The information managed by the extension number management means is information indicating the IP addresses of the multiplex division means, the multiplex division device, and the exchange interface means, the multiple division means, the multiple division device, and the exchange interface. Information indicating the number of the telephone number port in the means, information indicating the telephone number assigned to each telephone number port, the one having the IP address is the multiplexing unit,
5. The information processing apparatus according to claim 4, further comprising information indicating which of the multiplex device and the exchange interface means.
The communication control device described. 6. The communication control apparatus according to claim 5, wherein the same telephone number can be set to all the exchange interface ports. 7. The use frequency control means stores the exchange interface port last used in the call, and the exchange interface port next to the exchange interface port last used in the next call. The communication control device according to claim 1, wherein the communication control device is controlled to use. 8. The use frequency control means, when there is only one free exchange interface port among all the exchange interface ports, a call is made from the communication control unit side and an incoming call is made from the exchange side. If both occur at the same time, control is made to use the switch interface port in the idle state based on the use status managed by the use status management means, and further, the signaling frame already transmitted to the switch interface means and the switch are exchanged. When a collision of signaling frames arriving from the interface means is detected, the transmitted signaling frame is invalidated, the arrived signaling frame is validated, and the corresponding information of the usage status management means is updated. The communication control device according to claim 1 or 7. 9. Real-time data and non-real-time data are integrated and handled, and a switch and at least one
A method for determining an exchange interface port in a communication control device connectable to one or more multiplex devices, wherein at least one or more of the multiplex devices that accommodate a network based on IP (Internet Protocol) and are connected to the network A multiplex division means, an overall management step of comprehensively managing at least one or more PBX interface means connected to the network and provided with at least one or more exchange interface ports, and based on the usage of all the exchange interface ports, A determination step of determining an exchange interface port to be used for a call from the communication control device side so that a call from the exchange side and a call from the communication control device side do not collide, and all the exchange interface ports are set. I will use it evenly Exchange interface port determination method characterized by having a usage frequency control step of controlling the. 10. A program for executing a switch interface port determination method applied to a communication control device connectable with a switch and at least one or more multiplex devices while handling real-time data and non-real-time data in an integrated manner. A computer-readable storage medium storing the exchange interface port determining method, wherein the exchange interface port determining method accommodates the multiple division device, a network based on IP (Internet Protocol), and at least one or more multiple divisions connected to the network. Means for controlling at least one or more exchange interface means connected to the network and having at least one or more exchange interface ports, and the exchange based on the usage status of all the exchange interface ports. A determining step of determining an exchange interface port to be used for a call from the communication control device side so that an incoming call from the exchange side and a call out from the communication control device side do not collide; and all the exchange interface ports And a use frequency control step for controlling so as to use the same frequency. 11. A program provided to a communication control device capable of integrally handling real-time data and non-real-time data and connecting to an exchange and at least one or more multiplex devices, said multiplex device, At least one or more demultiplexing means for accommodating a network by IP (Internet Protocol) and connected to the network, and at least one or more exchange interface means connected to the network and having at least one or more exchange interface ports Based on the overall management step of comprehensively managing, and the use statuses of all the switch interface ports, the communication control device side prevents the incoming call from the exchange side and the outgoing call from the communication control device side from colliding. Determine which switch interface port to use to make a call And a usage frequency control step of controlling all the exchange interface ports to be used at an equal frequency.