GPRS Troubleshooter is a web based tool designed to assist netork operation centres and customer services staff in detecting possible issues in GPRS/3G connections for clients.

1. B en Oguntala Ben.oguntala@riesgoriskmanagement.com

2. Executive summary

3. GPRS problems     BTS  APN BSC SGSN GGSN Customer The problem could be on any of the nodes in the network. Options Call helpdesk? Use self help? GPRS Troubleshooter, captures the customers interaction with the network in real time and reveals where the problem on the network lies. 2 days to resolution Customer dissatisfaction

4. GT overview HLR BTS BSC Gr APN SGSN GGSN Gb Gi BTS BSC Mobility management MS attach GPRS attach PDP context request Search for the TMSI GPRS Fault analysis tool TMSI MNC MCC LAC RAC Identity Request – TMSI Identity response - IMSI IMEI Check Request Location Updating Request Update Location GMM Attach Complete Activate PDP Context DNS Query/response Create PDP Context Request Radius Authentication Request DHCP Address Request/Response Create PDP Context Response Activate PDP Context Accept

5. GT structure MS attach GPRS attach PDP context request Search for the TMSI GPRS Fault analysis tool TMSI MNC MCC LAC RAC Identity Request – TMSI Identity response - IMSI IMEI Check Request Location Updating Request Update Location GMM Attach Complete Activate PDP Context DNS Query/response Create PDP Context Request Radius Authentication Request DHCP Address Request/Response Create PDP Context Response Activate PDP Context Accept GT Dashboard Mobility management Customer number Network elements Problem ID Problem details 0788893904 BTS BSC SGSN GGSN APN 34543 PDP context 0788893908 4087 Location update BTS BSC SGSN GGSN APN 0788893956 98766 APN password BTS BSC SGSN GGSN APN 0788893961 87765 MS attach BTS BSC SGSN GGSN APN 0788893992 54676 DHCP BTS BSC SGSN GGSN APN 0788893932 Problem ID APN resource BTS BSC SGSN GGSN APN

6. GPRS troubleshooter

7. Ordering GPRS Troubleshooter

8. Contact details