Programmable telecommunication switch for personal computer

Claim 2

A programmable communications switch comprising: controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports in response to predetermined messages, including means for processing said messages, a time slot interchange and a real time operating system; a first host computer in which said switching means resides, said first host computer for providing electrical power to said switching means, having a first application-oriented operating system and being programmable to generate said messages; means for connecting one or more line cards in communicating relationship with said switching means, each of said one or more line cards for terminating either analog lines or trunks or digital lines or trunks, each of said digital line cards including processing means for performing one or more predetermined call processing tasks; said message processing means being operable to distinguish between said analog and digital line cards, whereby said message processing means may assign responsibility to said digital line card processing means for performing said one or more predetermined call processing tasks, while retaining responsibility for performing such tasks with respect to said analog line cards.

Claim 3

The switch as in claim 1 wherein said messages are generated by said host in accordance with a predetermined format which is independent of the types of line cards connected to said switching means.

Claim 4

The switch as in claim 1 further comprising means for interfacing said switching means with a second host computer having a second application-oriented operating system and being programmable to generate said messages and means, coupled to the message processing means, for selecting one of said first and second host computers to control said controllable-switching means.

Claim 5

The switch as in claim 1 wherein said first host computer comprises a personal computer motherboard which includes an input/output bus and a power bus, and said switching means is connected to both of said busses.

Claim 6

The switch as in claim 4 further comprising one or more line cards, connected in communicating relationship with said switching means, for terminating either digital or analog lines or trunks.

Claim 7

The switch as in claim 5 wherein each of said one or more line cards for terminating digital lines or trunks includes means for processing messages generated by said switching means.

Claim 8

The switch as in claim 1 further comprising means, responsive to the message processing means, for selecting one of a plurality of synchronization signals available thereto.

Claim 9

The switch as in claim 1 wherein said second host computer is connected with said interfacing means and exclusively controlling said switching means without said first host computer.

Claim 10

The switch as in claim 1 wherein said analog line cards are connected in communicating relationship with said switching means by a bus for carrying time division multiplex data, a timing/control bus and a line card status/control bus.

Claim 11

The switch as in claim 1 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by identifying one or more types of signalling protocol modules located on said analog line card.

Claim 12

The switch as in claim 1 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by indicating the number of signalling protocol modules located on said analog line card.

Claim 13

The switch as in claim 1 wherein said digital line cards are connected in communicating relationship with said switching means by a bus for carrying messages bidirectionally, a bus for carrying time division multiplex data, and a timing/control bus.

Claim 14

The switch as in claim 1 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the status of the digital line card.

Claim 15

The switch as in claim 1 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the types of ports provided by the digital line card.

Claim 16

The switch as in claim 1 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates how many ports are provided on the digital line card.

Claim 17

The switch as in claim 1 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates whether a download of instructions is needed by the digital line card.

Claim 18

The switch as in claim 16 wherein the message processing means of the switching means, in response to receiving a message from a digital line card indicating that a download of instruction is needed, downloads instructions to said digital line card.

Claim 19

The switch as in claim 17 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for signalling supervision.

Claim 20

The switch as in claim 17 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for call inpulsing and outpulsing.

Claim 21

The switch as in claim 17 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for detection of incoming calls.

Claim 22

The switch as in claim 17 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for generation of outgoing calls.

Claim 23

A programmable communications switch comprising: controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports in response to predetermined messages, including means for processing said messages, a time slot interchange and a real time operating system; a first host computer in which said switch means resides comprising a personal computer motherboard that includes an input/output bus and a power bus, said switching means being connected to both of said busses, said first host computer having a first application-oriented operating system and being programmable to generate said messages; means for interfacing said switching means with a second host computer having a second application-oriented operating system and being programmable to generate said messages; means, coupled to the message processing means, for selecting one of said first and second host computers to control said controllable-switching means; and one or more line cards connected in communicating relationship with said switching means, each of said one or more line cards for terminating either analog lines or trunks or digital lines or trunks, each of said digital line cards including means for processing messages generated by said switching means and performing one or more predetermined call processing tasks, said message processing means of said switching means being operable to distinguish between said one or more line cards and to assign responsibility to said digital line cards for performing one or more predetermined call processing tasks, while retaining responsibility for performing said tasks with respect to said analog line cards.

Claim 24

A programmable communications switch comprising: controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports in response to predetermined messages, including means for processing said messages, a time slot interchange and a real time operating system; a first host computer in which said switch means resides comprising a personal computer motherboard that includes an input/output bus and a power bus, said switching means being connected to both of said busses, said first host computer having a first application-oriented operating system and being programmable to generate said messages; means for interfacing said switching means with a second host computer having a second application-oriented operating system and being programmable to generate said messages; means, coupled to the message processing means, for selecting one of said first and second host computers to control said controllable-switching means; and one or more line cards connected in communicating relationship with said switching means, each of said one or more line cards for terminating either analog lines or trunks or digital lines or trunks, each of said digital line cards including means for processing messages generated by said switching means and performing one or more predetermined call processing tasks, said message processing means of said switching means being operable to distinguish between said one or more line cards and to assign responsibility to said digital line cards for performing one or more predetermined call processing tasks, while retaining responsibility for performing said tasks with respect to said analog line cards.

Claim 25

The switch as in claim 22 further comprising means, responsive to the message processing means, for selecting one of a plurality of synchronization signals available thereto.

Claim 26

The switch as in claim 22 wherein said messages are generated by said host computers in accordance with a predetermined format which is independent of the types of line cards connected to said switching means.

Claim 27

The switch as in claim 22 wherein said analog line cards are connected in communicating relationship with said switching means by a bus for carrying time division multiplex data, a timing/control bus and a line card status/control bus.

Claim 28

The switch as in claim 22 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by identifying one or more types of signalling protocol modules located on said analog line card.

Claim 29

The switch as in claim 22 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by indicating the number of signalling protocol modules located on said analog line card.

Claim 30

The switch as in claim 22 wherein said digital line cards are connected in communicating relationship with said switching means by a bus for carrying messages bidirectionally, a bus for carrying time division multiplex data, and a timing/control bus.

Claim 31

The switch as in claim 22 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the status of the digital line card.

Claim 32

The switch as in claim 22 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the types of ports provided by the digital line card.

Claim 33

The switch as in claim 22 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates how many ports are provided on the digital line card.

Claim 34

The switch as in claim 22 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates whether a download of instructions is needed by the digital line card.

Claim 35

The switch as in claim 32 wherein the message processing means of the switching means, in response to receiving a message from a digital line card indicating that a download of instructions is needed, downloads instructions to said digital line card.

Claim 36

The switch as in claim 33 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for signalling supervision.

Claim 37

The switch as in claim 33 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for call inpulsing and outpulsing.

Claim 38

The switch as in claim 33 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for detection of incoming calls.

Claim 39

The switch as in claim 33 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for generation of outgoing calls.

Claim 40

A programmable communications switch comprising: controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports in response to predetermined messages, including a time slot interchange, a real time operating system and means for processing said messages and for transmitting messages to and receiving messages from one or more line cards; a first host computer in which said switching means resides, said first host computer for providing electrical power to said switching means, having a first application-oriented operating system and being programmable to generate said messages; means for connecting said one or more line cards in communicating relationship with said switching means, each of said one or more line cards for terminating either analog lines or trunks or digital lines or trunks, each of said digital line cards including processing means for performing one or more predetermined call processing tasks and for transmitting messages to and receiving messages from said switching means; said message processing means of said switching means being operable to distinguish between said analog and digital line cards, whereby said message processing means of said switching means may assign responsibility to said digital line card processing means for performing said one or more predetermined call processing tasks, while retaining responsibility for performing such tasks with respect to said analog line cards.

Claim 41

A programmable communications switch comprising: controllable-switching means for dynamically connecting or disconnecting communication paths between various ones of a plurality of ports in response to predetermined messages, including a time slot interchange, a real time operating system and means for processing said messages and for transmitting messages to and receiving messages from one or more line cards; a first host computer in which said switching means resides, said first host computer for providing electrical power to said switching means, having a first application-oriented operating system and being programmable to generate said messages; means for connecting said one or more line cards in communicating relationship with said switching means, each of said one or more line cards for terminating either analog lines or trunks or digital lines or trunks, each of said digital line cards including processing means for performing one or more predetermined call processing tasks and for transmitting messages to and receiving messages from said switching means; said message processing means of said switching means being operable to distinguish between said analog and digital line cards, whereby said message processing means of said switching means may assign responsibility to said digital line card processing means for performing said one or more predetermined call processing tasks, while retaining responsibility for performing such tasks with respect to said analog line cards.

Claim 42

The switch as in claim 38 wherein said messages are generated by said host in accordance with a predetermined format which is independent of the types of line cards connected to said switching means.

Claim 43

The switch as in claim 38 further comprising means for interfacing said switching means with a second host computer having a second application-oriented operating system and being programmable to generated said messages and means, coupled to the message processing means, for selecting one of said first and second host computers to control said controllable-switching means.

Claim 44

The switch as in claim 38 wherein said first host computer comprises a personal computer motherboard which includes an input/out bus and a power bus, and said switching means is connected to both of said busses.

Claim 45

The switch as in claim 38 wherein said analog line cards are connected in communicating relationship with said switching means by a bus for carrying time division multiplex data, a timing/control bus and a line card status/control bus.

Claim 46

The switch as in claim 38 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by identifying one or more types of signalling protocol modules located on said analog line card.

Claim 47

The switch as in claim 38 wherein each of said analog line cards includes means for responding to an interrogation by said message processing means of said switching means by indicating the number of signalling protocol modules located on said analog line card.

Claim 48

The switch as in claim 38 wherein said digital line cards are connected in communicating relationship with said switching means by a bus for carrying messages bidirectionally, a bus for carrying time division multiplex data, and a timing/control bus.

Claim 49

The switch as in claim 38 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the status of the digital line card.

Claim 50

The switch as in claim 38 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates the types of ports provided by the digital line card.

Claim 51

The switch as in claim 38 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates how many ports are provided on the digital line card.

Claim 52

The switch as in claim 38 wherein the message processing means of each of said digital line cards transmits one or more messages to the message processing means of the switching means which indicates whether a download of instructions is needed by the digital line card.

Claim 53

The switch as in claim 49 wherein the message processing means of the switching means, in response to receiving a message from a digital line card indicating that a download of instructions is needed, downloads instructions to said digital line card.

Claim 54

The switch as in claim 50 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for signalling supervision.

Claim 55

The switch as in claim 50 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for call inpulsing and outpulsing.

Claim 56

The switch as in claim 50 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for detection of incoming calls.

Claim 57

The switch as in claim 50 wherein the message processing means of the switching means downloads instructions to said digital line card which include instructions for generation of outgoing calls.