Answer to L.T.T. – 04

This month’s wining answers came from Sriram Dharmarajan at Protiviti, and Srinivas Chikkala from India.

To solve LTT-04, the data from the 4 systems had to be joined together using the IMSI and MSISDN, and filtered with the required parameters i.e., [“A”, “01”, (“precept 250” or “precept 500” or “precept 750”)]. There were also inconsistencies between the “names” in the provisioning and billing systems, that needed some manual reconciliation.

The correct answer was L Berselli, which is illustrated in the attached file.

The next LTT will be published on Monday 20th May.

Lee Scargall
Lee Scargall
Lee is a senior risk management professional. He has extensive experience of managing both ERM and RAFM teams in telcos around the world, having worked for Ooredoo Group, Cable & Wireless and T‑Mobile UK.   Lee earned a PhD in Electrical and Electronic Engineering from the University of Newcastle upon Tyne, UK, for advanced research in to 3G video-telephony.