Managing call control in computer telephone interface (CTI) system

• US 20080051140A1
• Filed: 07/27/2007
• Published: 02/28/2008
• Est. Priority Date: 08/25/2006
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kwon, Soon-Hyun, Lee, Seung-Ku, Kim, Ji-Wook
• Granted Patent: US 8,135,438 B2
• Time in Patent Office: Days
• US Class Current: 455/557
• CPC Class Codes: H04L 12/66 Arrangements for connecting between networks having differing types of switching systems, e.g. gateways

Abstract

A method and apparatus to manage call control in a Computer Telephone Interface (CTI) system includes: a computer terminal to generate a call control message including call control identification information using a CTI application program in response to a call control command from a user, and transmitting the generated call control message; wireless terminals to perform call control upon receipt of the call control message; and an exchange to receive the call control message from the computer terminal, and to maintain the call control message generated by the computer terminal unchanged and to interface it to a corresponding one of the wireless terminals in response to the call control identification information being detected from the received call control message.

Claims

1. A Computer Telephone Interface (CTI) system comprising:

a computer terminal to generate a call control message including call control identification information using a CTI application program in response to a call control command from a user, and to transmit the generated call control message;

a plurality of wireless terminals to perform call control upon receipt of the call control message; and

an exchange to receive the call control message from the computer terminal, and to maintain the call control message generated by the computer terminal unchanged and to interface it to a corresponding one of the plurality of wireless terminals in response to the call control identification information being detected from the received call control message.

2. The system of claim 1, wherein the computer terminal includes a keypad user interface for the user using the CTI application program and recognizes key values, input via the keypad user interface, as the call control command.

3. The system of claim 2, wherein the computer terminal presets and stores indexes corresponding to key values of the keypad user interface, converts key values input according to the call control command into corresponding ones of the stored indexes, and generates a call control message including the converted indexes.

4. The system of claim 3, wherein the computer terminal includes the call control identification information before each converted index in generating the call control message.

5. The system of claim 1, wherein the call control message comprises a call request message, a call response message, and a call termination message.

6. The system of claim 1, wherein the computer terminal comprises:

a CTI application program unit to provide a keypad user interface, to store indexes corresponding to key values of the keypad user interface, to convert key values associated with the call control command input from the user into corresponding indexes, and to generate a call control message including the converted indexes; and

a display unit to display the keypad user interface provided by the CTI application program unit.

7. The system of claim 6, wherein the CTI application program unit comprises an exchange interface driver to convert the key values associated with the call control command into the corresponding indexes, including the call control identification information before each converted index to generate the call control message, and to transmit the generated call control message to the exchange.

8. The system of claim 1, wherein the exchange comprises:

a computer-terminal interface to receive the call control message from the computer terminal;

a controller to detect the call control identification information from the call control message received from the computer-terminal interface; and

a wireless-terminal interface to maintain the call control message generated by the computer terminal unchanged and to interface it to the wireless terminal in response to the controller detecting the call control identification information from the call control message.

9. A Computer Telephone Interface (CTI) system comprising:

a plurality of wireless terminals to generate a call control message including call control identification information in response to a call control command from a user, and to transmit the generated call control message;

a computer terminal to perform call control using a CTI application program upon receipt of the call control message; and

an exchange to receive the call control message from the wireless terminal and to maintain the call control message generated by the wireless terminal unchanged and to interface it to the computer terminal in response to the call control identification information being detected from the received call control message.

10. The system of claim 9, wherein each wireless terminal comprises a keypad unit and recognizes key values, input via the keypad unit, as the call control command.

11. The system of claim 10, wherein each wireless terminal presets and stores indexes corresponding to key values of the keypad, converts key values input according to the call control command into corresponding ones of the stored indexes, and generates a call control message including the converted indexes.

12. The system of claim 11, wherein each wireless terminal includes the call control identification information before each converted index in generating the call control message.

13. The system of claim 9, wherein each wireless terminal comprises:

a keypad including a number of keys and receiving key values for call control by the user;

a controller to preset and store indexes corresponding to key values of the keypad, to receive key values associated with the call control command, to convert the received key values to corresponding ones of the stored indexes including the call control identification information before each index, and to generate a call control message including the indexes with the call control identification information; and

an exchange interface to transmit the generated call control message to the exchange.

14. The system of claim 9, wherein the exchange comprises:

a wireless-terminal interface to receive the call control message from one of the wireless terminals;

a controller to detect the call control identification information from the call control message received from the wireless-terminal interface; and

a computer-terminal interface to maintain the call control message generated by the wireless terminal unchanged and to interface it to the computer terminal in response to the controller detecting the call control identification information from the call control message.

15. A method of controlling a call in a Computer Telephone Interface (CTI) system, the method comprising:

generating, by a computer terminal, a call control message including call control identification information using a CTI application program in response to a call control command from a user;

transmitting, by the computer terminal, the generated call control message to an exchange;

maintaining, by the exchange, the call control message generated by the computer terminal unchanged and interfacing it to a wireless terminal in response to detecting the call control identification information from the received call control message; and

performing, by the wireless terminal, call control in response to the interfaced call control message.

16. The method of claim 15, wherein generating, by a computer terminal, a call control message including call control identification information using a CTI application program in response to a call control command from a user further comprises:

providing a keypad user interface to the user using the CTI application program; and

receiving, as the call control command, key values for call control from the user via the keypad user interface.

17. The method of claim 16, wherein generating, by a computer terminal, a call control message including call control identification information using a CTI application program in response to a call control command from a user further comprises:

resetting and storing indexes corresponding to key values of the keypad user interface;

converting the key values into corresponding ones of the stored indexes in response to the key values associated with the call control command being received from the user via the keypad user interface; and

generating the call control message including the converted indexes.

18. The method of claim 17, wherein generating, by a computer terminal, a call control message including call control identification information using a CTI application program in response to a call control command from a user further comprises including the call control identification information before each converted index.

19. The method of claim 15, wherein generating, by a computer terminal, a call control message including call control identification information using a CTI application program in response to a call control command from a user further comprises generating a call control message comprising at least one of a call request message, a call response message, and a call termination message.

20. A method of controlling a call in a Computer Telephone Interface (CTI) system, the method comprising:

generating, by a wireless terminal, a call control message including call control identification information in response to a call control command from a user, and transmitting the generated call control message to an exchange;

maintaining, by the exchange, the call control message generated by the wireless terminal unchanged and interfacing it to a computer terminal in response to detecting the call control identification information from the received call control message; and

performing, by the computer terminal, call control using a CTI application program according to the interfaced call control message.

21. The method of claim 20, wherein generating, by a wireless terminal, a call control message including call control identification information in response to a call control command from a user, and transmitting the generated call control message to an exchange further comprises providing a keypad to the wireless terminal and receiving, as the call control command, key values for call control from the user via the keypad.

22. The method of claim 21, wherein generating, by a wireless terminal, a call control message including call control identification information in response to a call control command from a user, and transmitting the generated call control message to an exchange further comprises:

resetting and storing indexes corresponding to key values of the keypad;

converting key values into corresponding ones of the stored indexes in response to the key values associated with the call control command being received from the user via the keypad; and

generating the call control message including the converted indexes.

23. The method of claim 22, wherein generating, by a wireless terminal, a call control message including call control identification information in response to a call control command from a user, and transmitting the generated call control message to an exchange further comprises including the call control identification information before each converted index.