Method and system for implementing a service in a telecommunication network

Abstract

The invention relates to a method for implementing a service in a digital multiple-service network comprising an exchange, a first telecommunication terminal connected to the multiple-service network via a first interface and a second telecommunication terminal connected to the multiple-service network via a second interface. In the method, the service is implemented using a server connected to the multiple-service network via a third interface, and the service information is transmitted to the second telecommunication terminal using channels reserved for signalling and a signalling protocol between the terminals and the exchange and between exchanges that comprises a limited amount of information not belonging to the call.

1. Method for providing telephone book information in a digital multiple-service network comprising an exchange, a calling subscriber telecommunication terminal connected to the digital multiple-service network via a first integrated services digital network (ISDN) interface, and a called subscriber telecommunication terminal connected to the network via a second ISDN interface, wherein after a call being initiated by a calling subscriber:
 requesting calling subscriber telephone book information by sending from said called subscriber telecommunication terminal to said exchange a message requesting said calling subscriber telephone book information and comprising the number of said calling subscriber, said request being initiated by said called subscriber, 
 in response to the received message, sending a query for said calling subscriber telephone book information from said exchange to a server implementing a telephone book information service, said server being connected to said multiple-service network via a third ISBN interface, 
 in response to the received query, sending said calling subscriber telephone book information from said server to said exchange, and  
 in response to the received calling subscriber telephone book information, sending said calling subscriber telephone book information from said exchange to said called subscriber telecommunication terminal using channels reserved for signaling and a signaling protocol comprising a limited amount of information not belonging to the call. 
 
     
     
       2. Method as defined in  claim 1 , wherein the calling subscriber telephone book information is transmitted in the form of a text message. 
     
     
       3. Method as defined in  claim 1 , wherein the calling subscriber telephone book information is transmitted in an information element comprising means for generating and sending a message, in both the calling subscriber telecommunication terminal and the called subscriber telecommunication terminal, in the server and in the exchange. 
     
     
       4. Method as defined in  claim 1 , wherein the calling subscriber telephone book information is transmitted using UUS user-to-user signaling. 
     
     
       5. Method as defined in  claim 1 , wherein the calling subscriber telephone book information is transmitted using USBS user signalling bearer service signaling. 
     
     
       6. Method as defined in  claim 1 , wherein the telephone book information service provided by the server is distinguished via multiple subscriber numbering in which, in addition to a main number, a number of terminal-specific identification numbers have been defined for the basic subscriber interface. 
     
     
       7. Method as defined in  claim 1 , wherein the telephone book information service provided by the server is distinguished by subaddressing. 
     
     
       8. Method as defined in  claim 1 , wherein said message sent from said called subscriber telecommunication terminal to said exchange is a Facility message. 
     
     
       9. Method as defined in  claim 1 , wherein said message sent from said called subscriber telecommunication terminal to said exchange is an Information message. 
     
     
       10. Method as defined in  claim 1 , wherein the calling subscriber telephone book information received by said called subscriber telecommunication terminal is stored along with said called subscriber telecommunication terminal. 
     
     
       11. Method as defined in  claim 1 , wherein said request is activated by said called subscriber from a menu in the called subscriber telecommunication terminal. 
     
     
       12. System for providing telephone book information in a digital multiple-service network comprising an exchange, a calling subscriber telecommunication terminal connected to the digital multiple-service network via a first integrated services digital network (ISDN) interface, and a called subscriber telecommunication terminal connected to the network via a second ISDN interface, the system comprising:
 requesting means for requesting calling subscriber telephone book information by sending, from the called subscriber telecommunication terminal to said exchange, a message requesting said calling subscriber telephone book information and comprising the number of a calling subscriber, said request being initiated by said called subscriber; 
 first sending means for sending a query for said calling subscriber telephone book information from said exchange to a server implementing a telephone book information service, said server being connected to said multiple-service network via a third ISDN interface, and in response to the received message; 
 second sending means for sending said calling subscriber telephone book information from said server to said exchange, in response to the received query; 
 thirdwherein the first sending means is further for sending said calling subscriber telephone book information from said exchange to said called subscriber telecommunication terminal using channels reserved for signaling and a signaling protocol comprising a limited amount of information not belonging to the call, in response to the received calling subscriber telephone book information. 
 
     
     
       13. System as defined in  claim 12 , further comprising means for transmitting the calling subscriber telephone book information as a text message. 
     
     
       14. System as defined in  claim 12 , further comprising means for transmitting the calling subscriber telephone book information in an information element comprising means for generating and sending a message, in both the calling subscriber telecommunication terminal and the called subscriber telecommunication terminal, in the server and in the exchange. 
     
     
       15. System as defined in  claim 12 , wherein the system further comprises means for transmitting calling subscriber telephone book information using UUS user-to-user signaling. 
     
     
       16. System as defined in  claim 12 , wherein the system further comprises means for transmitting calling subscriber telephone book information using USBS user signalling bearer service signaling. 
     
     
       17. System as defined in  claim 12 , wherein the server comprises means for distinguishing the telephone book information service via multiple subscriber numbering in which, in addition to a main number, a number of terminal-specific identification numbers have been defined for the basic subscriber interface. 
     
     
       18. System as defined in  claim 12 , wherein the server comprises means for distinguishing the telephone book information service via subaddressing. 
     
     
       19. System as defined in  claim 12 , further comprising third sending means for sending said message from said called subscriber telecommunication terminal to said exchange as a Facility message. 
     
     
       20. System as defined in  claim 12 , further comprising third sending means for sending said message from said called subscriber telecommunication terminal to said exchange as an Information message. 
     
     
       21. System as defined in  claim 12 , further comprising means for storing the calling subscriber telephone book information received to said called subscriber telecommunication terminal with the called subscriber telecommunication terminal. 
     
     
       22. System as defined in  claim 12 , wherein the called subscriber telecommunication terminal comprises means for providing a menu to the called subscriber to activate the request. 
     
     
       23. A method for providing telephone book information in a digital multiple-service network, the method comprising:
 at an exchange,   receiving a request message requesting telephone book information for a calling subscriber device from a called subscriber device in response to a call from the calling subscriber device to the called subscriber device, wherein the request message is received using first integrated services digital network (ISDN) signaling over a digital multiple-service network, and further wherein the received request message includes a number associated with the calling subscriber device;   sending a query for the requested calling subscriber telephone book information to a server implementing a telephone book information service using second ISDN signaling over the digital multiple-service network, the query including the number associated with the calling subscriber device;   receiving a query response to the sent query from the server, the received query response including the requested telephone book information for the calling subscriber device; and   sending the requested telephone book information to the called subscriber device.    
     
     
       24. The method of claim 23, further comprising receiving a connect message from the calling subscriber device requesting a connection of the call.  
     
     
       25. The method of claim 23, wherein the requested telephone book information is sent in the form of a text message.  
     
     
       26. The method of claim 23, wherein the requested telephone book information is sent using user-to-user signaling.  
     
     
       27. The method of claim 23, wherein the requested telephone book information is sent using user signalling bearer service signaling.  
     
     
       28. The method of claim 23, wherein the received request message is a facility message.  
     
     
       29. The method of claim 23, wherein the received request message is an information message.  
     
     
       30. A method for providing telephone book information in a digital multiple-service network, the method comprising:
 at an exchange,   receiving a connect message from a calling subscriber device requesting a connection of a call from the calling subscriber device to a called subscriber device, wherein the connect message is received using first integrated services digital network (ISDN) signaling over a digital multiple-service network, and further wherein the received connect message includes a number associated with the calling subscriber device;   detecting that a service is activated for the called subscriber device, wherein the service provides telephone book information for the calling subscriber device;   sending a query, using second ISDN signaling over the digital multiple-service network, for the telephone book information associated with the calling subscriber device to a server implementing the detected service, the query including the number associated with the calling subscriber device;   receiving a query response to the sent query from the server, the received query response including the telephone book information associated with the calling subscriber device; and   sending the telephone book information associated with the calling subscriber device to the called subscriber device using third ISDN signaling over the digital multiple-service network.    
     
     
       31. The method of claim 30, wherein the exchange comprises a plurality of devices in communication using the digital multiple-service network.  
     
     
       32. The method of claim 30, wherein the query is a user-to-user signaling message.  
     
     
       33. The method of claim 30, further comprising, before sending the query, sending a setup message to the server, the setup message including an indicator of the detected service in a subaddress.  
     
     
       34. The method of claim 30, further comprising, before receiving the query response, receiving an alert message from the server, the alert message including a user-to-user information element indicating that the server is retrieving the telephone book information.  
     
     
       35. The method of claim 30, wherein the received query response is a disconnect message including a user-to-user information element containing the telephone book information.  
     
     
       36. The method of claim 30, wherein the telephone book information is sent to the called subscriber device in a setup message.  
     
     
       37. The method of claim 30, wherein the telephone book information is sent to the called subscriber device in the form of a text message.  
     
     
       38. The method of claim 30, wherein the telephone book information is sent to the called subscriber device using a user-to-user signaling service.  
     
     
       39. The method of claim 30, wherein the telephone book information is sent to the called subscriber device in a digital subscriber signaling number one information element.  
     
     
       40. A method for providing telephone book information in a digital multiple-service network, the method comprising:
 at a server,   receiving a setup message from a subscriber device, wherein the setup message is received using integrated services digital network (ISDN) signaling over a digital multiple-service network, and further wherein the received setup message includes an indicator of a request for telephone book information in a subaddress and an identification of a search criteria associated with the request for telephone book information;   identifying telephone book information associated with the request; and   sending the identified telephone book information to the called subscriber device using the ISDN signaling.    
     
     
       41. The method of claim 40, further comprising, before sending the identified telephone book information, sending an alert message to the called subscriber device, the alert message including a user-to-user information element indicating that the server is retrieving the telephone book information.  
     
     
       42. The method of claim 40, wherein the identified telephone book information is sent in a disconnect message including a user-to-user information element containing the telephone book information.  
     
     
       43. The method of claim 40, wherein the identification of the search criteria is included in a user-to-user signaling service message.