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Call completion to busy subscribers despite of call forwarding

A technology of call connection and call transfer, applied in telephone communication, subscriber special service, automatic switching office, etc.

Inactive Publication Date: 2003-09-17
ORANGE PERSONAL COMM SERVICES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the callback is not under the control of the calling party

Method used

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  • Call completion to busy subscribers despite of call forwarding
  • Call completion to busy subscribers despite of call forwarding
  • Call completion to busy subscribers despite of call forwarding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] figure 1 is a display of the various elements involved in the processing of a call made from a calling party's first fixed line telephone to a called party's second fixed line telephone when the called party has an active voicemail service offered in the network.

[0033]The first telephone set 10 is connected to a first switching node, the originating switch 12 . The originating switch 12 may be directly connected to a terminating switch 14 . More usually, as in figure 1 As shown, originating switch 12 is connected to terminating switch 14 through a network of intermediate switching nodes (20). The terminating exchange 14 is connected to a second telephone 18 . In this way, a telephone session can be established, for example, from the calling party's first telephone set 10 to the called party's second telephone set 18 . Now, if, for example, the called party's telephone is busy when the telephone call is established, the terminating switch can transfer the call to ...

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PUM

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Abstract

A method of handling a telephone call using a terminating switching node connected to a processing node, the method comprising the steps of: receiving a call from a calling party via an originating switching node and determining whether the called party is available; If the called party is unavailable, forwarding the call to the processing node; sending a remote request for the call completion service by the processing node; and sending the remote request to the originating switch nodes.

Description

technical field [0001] The present invention relates to apparatus and methods for handling telephone calls. More particularly, but not exclusively, the present invention relates to methods and systems for performing call completion when the called party is unavailable. Background technique [0002] Call completion to busy subscribers (CCBS) systems are known in the art which connect the calling party's telephone to the called party when the called party becomes free after the called party's telephone is busy. The caller's telephone. Figure 3 is a flow diagram of such a system and Figure 4 shows the different signaling messages sent between the different elements in such a system. [0003] A telecommunications system capable of performing CCBS services includes a calling party telephone connected to an originating switching node (OSN). The OSN is directly or indirectly connected to a terminating switching node (TSN) through a network of intermediate switching nodes. The c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/48H04M3/533H04M3/54
CPCH04M3/48H04M3/53308H04M3/54H04M2203/658
Inventor 迈克尔·戴维·斯坦摩尔·克鲁克
Owner ORANGE PERSONAL COMM SERVICES LTD