Pierre-Alain Roessli

Performed design and optimization consultancy, integrated systems, handled support, on-call service, troubleshooting, configuration and operation and maintenance tasks for the wireless circuit core network nodes.

Set up, supported and performed High Speed Packet Access (HSPA) benchmarking measurements campaign of the Spanish WCDMA operators.

- Integrated systems and supported worldwide customers in the area of Intelligent Network & User Management on Home Subscriber Server (HSS) and Service-Aware Policy Controller (SAPC) products based on the Telecom Server Platform (TSP). - Supported and deployed software and integrated hardware for GSM EDGE Radio Access Network (GERAN) on the Base Station System (BSS). - Coordinated and handled correction packages

- Represented Swisscom Mobile at the international Ericsson CME2G3G User Group and at the Test Subgroup (TSG, Test Cases optimisation, design and execution) forums. - Designed and executed GSM, GPRS and EGPRS Test Cases. - Validated systems and products on platform (test bed). - Integrated new hardware and optimized software in the network. - Supported and handled operation and maintenance for the Ericsson mobile circuit switched exchanges.

- Designed, executed and troubleshooting of Test Cases for the wireline circuit switched exchanges - Wrote and handled protocols ISDN, DSS1, ISUP, IUP, E-ISUP - Designed an tested InterWorking (IW), InterWorking France (IWF), Call Pick-Up (CPU), Malicious Call IDentification (MCID) and Automatic MCID supplementary services for the fixed circuit switched exchanges

Radio Networks