TW486897B - Stackable hybrid internet protocol private branch exchange and a dial-up method used therein - Google Patents

Abstract

A stackable hybrid internet protocol private branch exchange (hybrid IP PBX) and a dial-up method used therein are disclosed. The stackable design in the hybrid IP PBX can meet the requirement of the customers to achieve the desired scalability. The hybrid IP PBX has a local area network (LAN) interface, so the setup necessary for the computer telephony bus (CT bus) can be fulfilled by a remote control system through the LAN to reach the objective of centrally managing and setting up the stackable and the single hybrid IP PBXs. The non-proprietary CT bus interface is feasible in either serial connection or integration for the hybrid IP PBXs which are produced by different factories but following the same protocol.

Description

486897 6051twf.doc / 006 A7 B7 V. Description of the invention (I) The present invention relates to a hybrid Internet communication switch, and in particular to a stacked hybrid Internet communication switch and a dialing method using the same It is achieved by using the Computer Telephony Bus (CT Bus) set by the Enterprise Computer Telecommunications Media (ECTF) to reach the Hybrid IP PBX. purpose.

The principle of the Hybrid IP PBX design is to integrate the traditional PBX with the Internet Telephony Gateway (ITG), so that the switch can also provide Internet telephony through voice over IP technology ( Internet Telephony). At present, many manufacturers in foreign countries have produced this type of product. Usually, this type of product exists in an embedded type. However, due to design considerations, the number of telephone interfaces provided by such products is usually fixed, so scalability is a problem to be solved. The CT Bus using ECTF is a stackable bus (stackable bus). It can connect H. 100-compliant hybrid IP PBXs in series to quickly achieve a high degree of scalability. It can be set up through a simple and common setting. To coordinate the management and configuration of this stacked switch. . Schedules 1 and 2 show the results of patent search in the United States and the Republic of China after searching with specific keywords, respectively. 3 (Please read the notes on the back before filling out this page) I ·-— — — — — — ^ * 1 —-I --- II. Printed by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs ^ 1--I- --- Applicable to China National Standard (CNS) A4 specification (210 X 297 mm) 486897 890031tw / 006 A7 B7 V. Description of the invention (2) Search keyword search results CT bus ^ fττr: H.100 Μ IP PBX Μ Stackable PBX US Patent Number: 5,959,992 Name · Process for operating a communication equipment comprising a set of mechanically connected apparatuses being vertically and horizontally packed, and apparatus using the same Stackable Switch US Patent Number · 5,999,295 Name: Stackable network modules using infrared communications Schedule 1: U.S. Patent Search Results ------- — — — — — — — — -------— Order · -------- 丨 · (Please read first Note on the back, please fill in this page again) Print the search result of Pbx by the Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs Patent No .: 86,110,678 Patent Name: Department of Distributed Network Computing System and information exchange device / information exchange method used in the same system Appendix 2: Patent Search Results of the Republic of China This paper size applies Chinese National Standard (CNS) A4 (210 χ 297 mm) FI IIII · 486897 A7 B7 6 〇 51twf. Doc / 0 0 6 V. Description of the Invention (^) According to the results of the above search, the United States and the Republic of China do not currently have any patents related to the CT bus stackable hybrid IP PBX. (CT bus) Connected Stackable Hybrid Internet Communication Switch (Stackable Hybrid IP PBX). / In addition, the manufacturers and products that provide Hybrid IP PBX in the industry are summarized in Table 3 below. Company product name TouchWave, Inc (acquired by WebSwitch 1608IP, WebSwitch 2000 Ericsson) Shoreline Teleworks, ShoreGear IPBX Voice Switch Inc., Praxon, Inc., Phone Data eXchange (PDX) 3COM Schedule 3 Among them, Praxon PDX and The 3COM NBX 100 system is designed as a rack (.chassis) type. The expansion is achieved by inserting multiple interface cards, so there is no stackable consideration. TouchWave WebSwitch 1608IP and WebSwitch 2000 are both embedded, but they have no stackable design. WebSwitch 1608IP can be expanded by adding multiple identical 1608IPs to a local area network (LAN), while WebSwitch 2000 is a modular design architecture that can be inserted into multiple modules to achieve expansion. Shoreline IPBX voice exchange is designed in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 mm) on this paper size (please read the precautions on the back before filling this page) system

486897 A7 B7 890031tw / 006 V. Description of the invention (彳) Considering the requirement of stackability, it still adopts a proprietary bus. (Please read the precautions on the back before filling this page) In view of this, the present invention proposes a stacked hybrid Internet communication switch, which includes a control chip for controlling a CT bus. A plurality of codecs, each of which is connected to a control chip. A plurality of modules, each module is respectively connected to a corresponding codec. A plurality of phones, each of which is connected to a corresponding module. The control unit is connected to the control chip. And, the Ethernet controller connects the control unit to the Internet. Among them, the control chip of the stacked hybrid Internet communication switch is connected to another control chip of the stacked hybrid Internet communication switch through a CT bus to achieve the purpose of expansion. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The present invention proposes a method for using a stacked hybrid Internet communication exchange (PBX) to make a call, which includes first a voice packet generated by a phone to check whether the phone is For internal calls, if the call is not an internal call, handle the external call and Internet services. If the call is an internal call, check whether the extension number dialed by the phone belongs to its internal extension port. If the extension number belongs to an extension port, check if the extension number is busy. If not, connect the corresponding extension port to complete the communication. If yes, send a busy message to the phone. If the extension number does not belong to the extension line, the related data of this extension number is packaged into a query packet and sent to the remote controller via the network. After that, the remote controller can query the packet to check whether the phone and extension are in the same stackable group. If not, the voice packet from the phone will be sent to the extension's PBX via the Internet. If so, the remote controller checks Whether the extension is busy. Then, if the extension is at 6 ^ sheets, the Chinese National Standard (CNS) A4 specification (210 X 297 mm) is applicable: 486897 6051twf .doc / 006 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs ) In the busy state, send a busy message to the phone. If the extension is not busy, the remote controller sends a packet of setting information related to the connection data of the CT bus to the phone and the extension. Then, after reading the message packet, the phone's PBX sends the voice packet data of the extension to the designated CT bus based on the internal data. Finally, after reading the message packet sent by the remote controller, the extension's PBX connects the internal port to the designated CT bus to complete the communication between the phone and the extension. The stackable hybrid Internet communication switch proposed by the present invention and the dial-up method using the same, the stackable design allows the hybrid IP PBX to achieve the required expandability according to customer needs. In addition, the setting required for the CT bus is quite simple. Because the hybrid IP PBX is equipped with a LAN interface, a remote control system on the LAN can be used to achieve overall management and setting of stackable and individual hybrid IP PBXs. . Furthermore, CT buses follow industry-specific specifications rather than specificity, which will make hybrid IP PBXs that comply with this specification but produced by different manufacturers both feasible for concatenation and integration. In order to make the above and other objects, features, and advantages of the present invention more obvious and easy, the following specific examples are given in conjunction with the accompanying drawings to make a detailed description as follows: Brief description of the drawings: Figure 1 Shows a schematic diagram of a CT bus stackable system; Figure 2 shows a hybrid IP PBX architecture with a CT bus stackable; Figure 3 shows each hybrid can be made through a remote control system (please read first Note on the back, please fill out this page again) · Order-丨 ά—φ ---------------------- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 486897 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6051twf.doc / 006 V. Description of the invention (g) IP PBX data update and time slot setting computer telephone bus on the CT Bus (T- bus); Figure 4 shows the CT bus system setting flow chart; Figures / Figures ||, show the flow chart for telephone dialing; and `` Qin 6 Figure shows a schematic diagram of the message format. Description of symbols in the drawings: 10: Hybrid Internet communication switches 12, 16, 44, 52a ~ 52c: Telephones 14, 18, 30, 32, 50a ~ 50c: Hybrid IP PBX 20, 22, 48, 58: CT Bus 24: Public switched telephone network 26: Internet / Intranet 34: Control chip 36: Codec 38: Module 40: Control unit 42: Ethernet controller 46: CPU interface 54: Ethernet 56: remote control system embodiment

(A) Hybrid IPPBX At present, all commercial telephone systems are designed as a centralized or star-shaped architecture-telephones and trunks are aggregated at a single PBX switching point.这种 1 ϋ I · ϋ ϋ emmme ί · ϋ ϋ 1 I · ϋ ϋ —mmm βΜ— _1 ϋ TJ · · ϋ ϋ «1 _ · 1 II ί mmmmf Βϋ n .1 ϋ if ϋ ^ 1 II 11 ϋ II ϋ ϋ ϋ ϋ I ϋ I (Please read the notes on the back before filling in this page) This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 486897 6051twf.doc / 006 A7 B7 V. Description of Invention (q) (Please read the notes on the back before filling out this page) There are many problems under the printing of the Employee Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, such as a single point of failure, scalability limitations, and closed architecture Restrictions on network support for businesses, etc. A distributed PBX system breaks the traditional centralized control and management of a PBX. It is formed by a LAN or broadband network via an Ethernet hub, a switch, or a router. Local area networks (WAN) are connected to provide an excellent solution to the above problems. The so-called Hybrid IP PBX is a combination of an office LAN and a circuit switch telephone system, integrating ITG functions into the PBX system, and designing a new decentralized PBX system. That is, the telephone network still exists in the office, but the telephone will provide the user with the option to decide whether to transmit sound over a LAN or traditional telephone network path. For example: pick up the phone and press the * key to send the IP packet over the LAN to send sound, and press 0 or directly press the extension number to send the sound through the original telephone network. Hybrid IP PBX is very suitable for applications between geographically dispersed branches. Usually, a data line has been set up between the head office and the branch of the company to transmit data. Through this dedicated line, and setting up a Hybrid IP PBX between the two places, a common extension plan within a company can be completed, which overcomes the restrictions imposed by geographical location. For example, if the extension 1111 of the head office dials into the extension number 2222 (or 3333), it can connect to the extension of the branch A (or B) through the Internet / Intranet. In this way, the original public switched telephone network (PSTN) long-distance telecommunications costs between branches will be saved. (B) CT Bus This paper is in accordance with China National Standard (CNS) A4 (210 X 297 mm) 486897 A7 B7 89〇〇31tw / 006 V. Description of the invention (s) ECTF H.100 CT Bus by industrial manufacturers The standards set are mainly used to provide a single communication bus (telecom bus) to facilitate the use of the computer and the communication industry. The H.100 specification defines the physical layer related information needed to implement the CT Bus. Although the CT Bus was initially aimed at PCI-type add-in cards, it was used to set the low-latency Nx64 Kbps communication between the transport and switch between the cards, but it can still be extended to other types of applications. When CT Bus was designed, it was compatible with other widely used communication buses. These included communication buses such as GO-MVIP's MVIP-90 and H-MVIP, and Dialogic's SCbus. These communication buses are stackable interface systems, and they are not too difficult to integrate with CT Bus as a stackable bus system. The preferred embodiments of the present invention will be described in detail below. (A) CTBus stackable system description Stackable concept originates from stackable switches of Ethernet. When the number of telephone interfaces provided by a single Hybrid IP PBX is not enough, you can use the provided The stackable bus interface is directly connected to another Hybrid IP PBX, and the number of telephone interfaces is directly increased for expansion, as shown in Figure 1.

Figure 1 shows a schematic diagram of a CT Bus stackable system. In Figure 1, at least one telephone 12 can be connected to the hybrid Internet communication switch (Hybrid IP PBX) 10. Similarly, at least one phone 16 can be connected to the Hybrid IP PBX 14. Hybrid IP PBX 10 and 14 can be connected to Hybrid IP PBX 18 through CT Bus 20 and 22, respectively, to achieve the purpose of expansion. In addition, Hybrid IP PBX paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) ill --------- ¾ (Please read the precautions on the back before filling in this Page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs " 1: ^ 8 I ϋ ϋ II ϋ · 1 ϋ -ϋ ϋ 1 ϋ -nn ϋ ϋ ϋ Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs ’Consumer Cooperatives 486897 6051twf .doc / 006 A7 B7 5. Description of the Invention (γ) 10, 14 and 18 are connected to the Public Switched Telephone Network (PSTN) 24 and the Internet / Intranet 26 respectively. Of course, the above CT bus is not the only way to expand. Directly from the outside. Adding a Hybrid IP PBX to the LAN can also achieve the purpose of expansion. However, under this architecture, it is likely that two phones belonging to the same office are connected to different single Hybrid IP PBXs, so that each time the two phones communicate with each other, they have to go to the LAN and go around. Big circle, increase traffic congestion. Equipment Hybrid IP PBX systems with stackable interfaces can use the regional CT Bus exchange method to avoid most of the above situations. In view of the fact that the stackable buses of most stackable Ethernet switches are proprietary, and there is no common standard to follow, switches of different brands cannot be used in series. Therefore, it is necessary to refer to an industry standard specification for designing a stackable hybrid IP PBX. The so-called hybrid CTPB stackable IPPBX refers to the part of the PBX's internal PCM data transmission and exchange that uses a control chip that complies with ECTF H. 100 specifications. ^ Figure 2 shows a stackable hybrid IP PBX architecture with a CT bus. In the second figure, the PBX0 30 and the PBX1 32 have the same architecture. Here, the PBX0 30 is taken as an example for illustration. PBX0 30 includes a control chip 34 conforming to ECTF H.100 or H.110 specifications, a plurality of codecs 36, a plurality of modules 38, a control unit 40, and an Ethernet controller 42. Each codec 36 is connected to a corresponding module 38, and each paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 public love) (Please read the precautions on the back before filling this page ) · ---- Yikou V ϋ ϋ UBi · 1 i ^ ii ^ i I nm II ϋ Hi ϋ ϋ · ϋ II ϋ ϋ ϋ ϋ ^ — ^ 1 ϋ ϋ ϋ ϋ ϋ n 486897 6051twf.doc / 006 A7 B7 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the Invention (/ σ) A module 38 can be connected to the phone 44. The control chip 34 is connected to the control unit 40 through the CPU interface 46. PBXO 30 is connected to PBX1 32 via CT Bus 48. (B) CT Bus system setting (Eybnd) IP PBX will integrate the ITG system into the PBX desktop, so it is equipped with a network interface to connect to the LAN, usually this interface is 10/100 Mbps Ethernet ( Ethernet). Now that you have an Internet connection, you can manage it over the Internet. Figure 3 shows that a Hybrid Controller can be used to update the data of each Hybrid IP PBX (such as the extension number setting) and the time slot setting on the CT Bus. In Figure 3, each IP PBX 50a ~ 50c can be connected to at least one telephone 52a ~ 52c. Each IP PBX 50a-50c is connected to an Ethernet 54 and a remote control system 56 is connected through the Ethernet 54. · In addition, all IP PBX 50a ~ 50c are connected to each other through CT Bus 58. If a WWW server can be executed on a hybrid (Hybnd) IP PBX 50a ~ 50c, then a simple WWW browser application can be developed on the remote control system 56 to facilitate the operation of the above settings. With modification. .., Each PBX 50a ~ 50c needs to record the information as shown in Table 4 at the local end. Among them, the Transmit ID and Receive ID are mainly used to set the time slot identification code for each channel when transmitting and receiving data at the regional end. This identification code includes two parts: area The local stream ID and the time slot ID are set by the remote control system 56 as a whole. This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling out this page) φ 1: mouth, I ϋ I ϋ n ϋ n II ϋ I ϋ n ϋ ϋ ϋ II ϋ ϋ I nn ϋ ϋ II m ϋ 1 ϋ · 486897 A7 605ltwf .doc / 006 at V. Description of Invention (lY) Voice Channel # Telephone # or Extension # Local Receive ID (Local Output Slot # / Time Slot # ) Local receiving ID (local input slot # / time slot #) in use 1 14480 1/1 1/1 Yes 2 丨, 17238 1/2 1/2 No ... 12 5825424 1/12 1/12 No. Table 4: Information about the local PBX voice channel. As for the remote control system 56, you need to store and set up the tables such as Table 5, Table 6 and Table 7. Table 5 stores the IP address of each PBX, the clock source that belongs to that stackable group (stackable group), and the stackable PBXs (stackable PBXs). Schedule 6 records the same information as Schedule 4. The seventh table is to dynamically record the information about the time slot setting, caller, and callee of the bus call of each stackable group across the CT bus. PBX # IP address Stacking group ID Stacking clock mode 1 140.96.103.1 2 140.96.103.10 1 Master-3 140.96.103.11 1 Fallback 4 140.96.103.12 1 Slave 5 140.96. 103.13 1 6 140.96.120.1 2 Master control 7 140.96.120.2 2 · · * · · · · · · · _ Appendix 5: General information of the remote control system PBX 13 This paper standard applies to China National Standard (CNS) A4 specifications (210 X 297 mm) (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

No, II n ϋ ϋ ϋ II ϋ nn II l ii ϋ ϋ n ϋ I nn in ϋ ϋ n ϋ I 486897 6051twf.doc / 006 ^ B7 V. Description of the invention ((i) PBX # Channel # .V. Phone # Or Extension # Local transmission ID (local output data stream # / time slot #) Local reception ID (local input data stream # / time slot #) 1 1 14480 1/1 1/1 1 2 17238 1/2 1 / 2 1 12 5825424 1/12 1/12 2 1 17354 1/1 1/1 2 2 14502 1/2 1/2… ... Appendix 6: Related to the PBX voice channel of the remote control system Information (Please read the precautions on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs # CT ^ Bus Transmission ID (Voice Data Stream # / 时 槽 #) CT_Bus (Computer Phone) Receiving Identification Code (Voice data stream # / 时 槽 #) sender # (PBX # / voice channel #) receiver (BX # / voice channel #) 1 1/1 2/1 1/1 2/3 2 1/5 2/10 1/2 3/1 ... ... · · · · · Schedule 7: CT_Bus dynamic setting of each stackable group The remote control system's setting of the CT Bus is mainly to specify which mix

一 I 1 ϋ n ϋ —ϋ ϋ I ^ 1 ni ^ i ϋ I ϋ ϋ ϋ n —ϋ ^ 1 ϋ ^ 1 ni ϋ ϋ ϋ · 1 n I This paper size applies to China National Standard (CNS) A4 specifications (210 X 297 mm) 486897 6 0 51twf .doc / 0 0 6 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 5. Description of the invention (/ $) Hybrid IP PBX as the master, those As a slave, and setting each other!] Hybrid IP PBX PCM data transmission and reception method, the system setting flow is described in Figure 4. Please refer to Figures 3 and 4 at the same time. 'Step 101: First set PBX 50a as the Clock Master, PBX 50b as the Clock Fallback, and PBX 50c as the Clock Slave. PBX 50a provides auxiliary clocks provided by PBX 50b, while PBX 50c receives Laoshan bribes for clocks. Step 102: Take the PBX 50a as an example, set the operating clock on the CT Bus 58 to 8.192 MHz, and the operating clock on the local end to 2.048 MHz. Step 103: Set the 1st time slot of the local input signal 1 of the PBX 50a to the 1st time slot of the CT Bus 58 data line 0, and connect the 0th time slot of the CT Bus 58 data line 1. To the 0th time slot of the Local input signal 0. Step 104: All the link data of step 103 are stored in each PBX 50a-50c for use as an index. ^ (C) Call Progress After the system is set up according to the flow chart in Figure 4, you can make phone calls according to user needs. Fig. 5 shows a flowchart for making a call. Step 201: In a normal state, the phone is in an idle state. Step 202: Check whether the phone is used, and if not, return to step 201. Step 203: Check the voice packet generated by the call to determine that the 15i paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 public love) " " '(Please read the precautions on the back before filling (This page)

> n ϋ n ϋ n ^ OJ I n ϋ ϋ ϋ 1. ^ 1 I §1 n Βϋ ϋ I ϋ n I n 1 ·. ^ 1 n ϋ ϋ ϋ ϋ. ^ 1 · ϋ n ϋ n ϋ I Economy Printed by the Consumer Cooperatives of the Ministry of Intellectual Property Bureau, e〇5itwf.d〇c / 〇〇6 A7 ---------- B7 V. Description of Invention (/ L) Is it a dial-in line, if not, proceed Step 204, if yes, go to Step 205. Step 204 ·· Executive procedures for dialing the telephone and voice compression (after G: 723'G.7291, the package shall conform to Η · 323 (or MGCP, SIP) format. · The packet is sent to the Internet in the network Step 205: The receiving end PBX checks whether the extension number dialed by the phone belongs to its own internal extension line according to the index 'generated by the setting flow in Figure 4; if not, proceed to step 206, and if so, proceed to Step 207. Step 206: The relevant data of the extension number is formed into a query message packet. 'If the message format is stacked group call, the called party number, the format of which is shown in Figure 6, and sent to the remote controller through the network. Then proceed to step 210. Step 207: Check whether the extension number is busy. If not, proceed to step 208, and if so, proceed to step 209. Step 208: Connect the corresponding internal port to complete the communication. Step 209: Send busy The online voice message is sent to the sender. Step 210: The remote controller checks whether the sender and the receiver are in the same stackable group from the query message packet. If not, go to step 211. Then, proceed to step 212. Step 211: The call voice packet from the sender will be sent to the called PBX via the Internet. Step 212: The remote controller checks the extension number corresponding to the extension number. After the PBX and the internal port, check the status table to determine whether the called party is busy. Step 213: Check if the called party is busy. If so, enter ^^ 1 · ϋ i ^ i · ϋ ^^ 1 ϋ · _ϋ ϋ 1_ · mMmMm MmM9 mMKm ϋ · «1 mmmmmw ^ ^ I · ϋ mmmmmmm ϋ tmmmm ί n tmmmm I Βϋ ammf §1 ··· H · · ϋ · ϋ ϋ · ϋ i mmmm— ϋ— 1_1 ϋ 1 ···· ϋ · ρ ϋ ϋ · 1_- II ϋ ι (Please read the note on the back? Matters before filling out this page) This paper size applies to China National Private Standard (CNS) A4 specification (21〇X 297 public love ) ^ 8 () 897 6〇5ltwf.doc / 006 ------- B7 _ 5. Description of the invention (/ f) Go to step 214, if not, go to step 215. Step 214: Send the voice of busy status The message is sent to the sender. Step 215: The remote controller encapsulates the relevant settings of the CT Bus with a message packet (such as message #v v tandem group call to the called party and sends (TX) and receives (RX) V test ―... widely used time slot and other connection information) are sent to the calling end (send end) and the called end. Step 216: After reading the packet, the calling end PBX sends the packet according to the included connection data. The extension's voice packet is sent to the designated CT Bus. Step 217: After the called party's PBX also reads the message packet sent by the remote controller, it connects the extension line to the designated CT Bus to complete the communication. Step 218: Check whether the communication between the PBXs at both ends is completed. If yes, go to Step 219. Step 219: Disconnect the PBX at both ends. Step 220: End the above work. (D) Message format. In the traffic flow, the remote control system must notify the sender and receiver when and how to connect to the relevant internal port to complete the user's communication needs. Therefore, a message format must be developed. , So that the remote controller and the sender and receiver can communicate with each other. Figure 6 shows this message format. In Figure 6, the Message type represents "message type", which occupies two bits, of which "10" means "connection" (connection), and "01" means "severance" (this 〇〇111 ^ 化 〇11), "00" means "query data", "11" means "query result reply". "Stackable group ID" means "stackable group paper size applicable to Chinese National Standard (CNS) A4 specification (210 X 297 mm) (Please read the notes on the back before filling out this page) Φ Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

Yiyikou '1 ϋ an I ϋ an. ^ 1 I 1 a ^ in I ϋ I nn I ϋ ϋ 1 ϋ a— nn ϋ ϋ I 486897 A7 B7 890031tw / 006 V. Description of the invention (A) (please first Read the notes on the reverse side and fill in this page) Identification code ", which occupies a total of eight digits." Caller phone number ID "stands for" Caller's extension number ", which occupies a total of 32 digits." Callee phone number ID "stands for "The extension number of the called end" occupies a total of 32 bits. "CT_bus ID" represents the CT_bus data line and time slot required for transmission and reception when the Message type = 10, 01 or 00, including sending, The received CT_bus ID occupies a total of 24 bits. "Status" stands for "status of the calling and called ends" and occupies a total of 1 bit, where 0 indicates that the connection is completed and 1 indicates that the connection is busy. In addition, ECTF stipulates that the connection The CT_bus cable must meet the following specifications: (1) Unbalanced impedance: 90Ω ± 5Ω (2) Unbalanced capacitance: 16pF / Ft ± 10% (3) Unbalanced inductance: 0.13 // H / Ft ± 10% According to the simulation shown in the ECTF H.100 specification, it can be estimated that the cable distance between adjacent PBX devices should not exceed 2 inches, the total length must not exceed 20 inches, no more than 20 PBX devices can be connected in series, no matter how many PBX devices are connected, the maximum is only 32 (CTBus data line) X128 (the time slot of each data line is 8.192Mhz ) = 4096 time slots. Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, X 'Consumer Cooperative. In summary, the present invention mainly uses the CT Bus to achieve the purpose of stacked Hybrid IP PBX. This application has the following benefits : (1) The stackable design enables the Hybrid IP PBX to achieve the required scalability according to customer needs.

(2) Because the Hybrid IP PBX is equipped with a LAN interface, the settings required for the CT bus can be managed and set by the remote control system on the LAN, and the stackable and individual hybrids can be set. IP 18 This paper size applies the Chinese National Standard (CNS) A4 specification (210 χ 297 mm): " ~ '486897 8 9003 1tw / 006 _B7 __ 5. Description of the invention (< 1) The purpose of PBXs. (3) The non-proprietary CT bus will make hybrid IP PBXs that comply with this specification but produced by different manufacturers both feasible in connection and integration. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various changes and decorations without departing from the spirit and scope of the present invention. The scope of protection of the invention shall be determined by the scope of the attached patent application. (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 19 This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

Claims (1)

486897 Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 6. Application for patent scope 1. A stacked hybrid Internet communication switch, including:-a first control chip to control a CT bus; a plurality of codecs, Each of the codecs is connected to the control chip; a plurality of modules, each of the modules is respectively connected to the corresponding codec, a plurality of phones, and each of the phones is connected to the corresponding module respectively A control unit connected to the control chip; and an Ethernet controller connected to the control unit and an Internet; wherein the control chip of the stacked hybrid Internet communication switch passes through the CT The bus is connected to the second control chip of another stacked hybrid Internet communication switch for the purpose of expansion. 2. The stacked hybrid Internet communication switch as described in item 1 of the scope of patent application, wherein the first control chip can be replaced with a control chip that complies with ECTF H.100 specifications. 3. The stacked hybrid Internet communication switch as described in item 1 of the patent application scope, wherein the first control chip can be replaced with a control chip that conforms to ECTF H.110. 4. The stacked hybrid Internet communication switch as described in item 1 of the patent application scope, wherein the control unit is connected to the first control chip through a CPU interface. 5. —A method of using a hybrid Internet communication switch to make a call, including: (Please read the precautions on the back before filling out this page)-Order-The paper size of the paper applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 486897 890031tw / 006 A8 B8 C8 D8 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs, printed and applied for patent coverage. Check the voice packet generated by a phone call. If the call is not dialed to the inside line, perform a call to the outside line and an Internet service. If the call is dialed to the inside line, check whether an extension number dialed by the phone belongs to its internal An extension; if the extension number belongs to the extension port, check if the extension number is busy, and if not, connect the corresponding extension port to complete the communication. 'If yes, send a busy message to the phone; if The extension number does not belong to the internal port, and the related data of the extension number is formed into a query packet and sent to a remote controller through a network; The remote controller uses the query packet to check whether the phone and the extension are in the same stackable group. If not, the voice packet from the phone will be sent to one of the extension's PBXs via the Internet. , The remote controller checks whether the extension is busy; if the extension is busy, sends the busy message to the phone '; if the extension is not busy, the remote controller The CT bus connection data related setting message packet is sent to the phone and the extension; after reading the message packet, the PBX of the phone sends the extension's voice packet data to a designated CT according to the connection information contained in the message packet. In the bus; and after the extension's PBX reads the message packet sent by the remote controller, it connects the internal port to the designated CT bus to complete the communication between the phone and the extension. 6. Use the stacked hybrid Internet 21 as described in item 5 of the scope of patent application. Please read the intent and fill in Ιι. Alignment This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) 486897 890031tw / 006 A8 B8 C8 D8, a patent-pending network communication switch for telephone dialing, in which the remote controller sends the connection data related settings of the CT bus to the phone and the extension, and the CT bus related The settings include the time slot used for transmission and reception. 7. The method for making a call using a stacked hybrid poor Internet communication switch as described in item 5 of the scope of patent application, wherein the stacked hybrid Internet communication switch uses a control chip that complies with the ECTFH.100 specification. 8. The method for making a call using a stacked hybrid Internet communication switch as described in item 5 of the scope of patent application, wherein the stacked hybrid Internet communication switch uses a control chip that complies with the ECTFH.110 specification. (Please read the precautions on the back before filling out this page) Line-Printed by the Consumer Cooperatives of the Central Bureau of Standards, Ministry of Economic Affairs This paper size applies to China National Standard (CNS) A4 (210X297 mm) 22