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System and Method for Improved Missed Call Alert Service

IP.com Disclosure Number: IPCOM000237499D
Publication Date: 2014-Jun-19
Document File: 2 page(s) / 87K

Publishing Venue

The IP.com Prior Art Database

Abstract

Disclosed is a system and method to improve missed call alert service. Missed call service account to significant revenue for mobile service providers. In current missed call services receiving party is notified if there is network problem, out of reach situation or phone is switched off. This article propose a method to address this problem

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System and Method for Improved Missed Call Alert Service

         Disclosed is a system and method to improve missed call alert service. Missed call service account to significant revenue for mobile service providers. In current missed call services receiving party is notified if there is network problem, out of reach situation or phone is switched off.

But following scenario is not handled by current missed call service.

Lets say A is calling party and B is receiving party.

- If A and B are trying to call each other at the same time and connection is not

yet established.

- If A is trying to call B and B is trying to call some other party at same time but

connection is not yet established.

In the above case no notification is received by receiving party. To handle this situation we proposed a solution described in this article. As shown in Figure 1 whenever any caller is trying to call other party, connection request is received by Controller (MSC) which check if the customer if premium customer and set Ani and Bni bit in visitor location registry (VLR) DB.

As shown in Figure 2 when caller B send a connect request to A, controller get BRI status from base station to find out if A is free or not. In case of A is free then B is connected to A otherwise controller checks if entry of A is present in VLR DB then BRI flag is set to indicate that

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called party A is busy and a message is also send to called party A to notify of missed call from caller B.

System hel...