Customer Services / Solution Architect• ACME replacement by ALU 5060 IBC for BVoIP (registering customers) - PROXIMUS• L1-2-3-4 IP design & configuration KPN for VoLTE, SIPX, ...

Customer Services / Solution Architect• ACME replacement by ALU 5060 IBC for BVoIP (registering customers) - KPN• L1-2-3-4 IP design & configuration KPN for VoLTE, SIPX, ...• 7750 SR WLAN GW (WiFi/Fon) related technical support

Customer Services / Solution Architect• Pre-sales technical support• BT VolTE / FV Project – L1-2-3-4 design & Configuration

Customer Services / Solution Architect• Started ALU accreditation as Solution Architect (80 % completion 01/2014). Presentation : Future of IMS in EMEA• KPN Avanti IMS – security related configuration of ACME4500 SBC at peering border & access border for Business VoIP subscribers.• KPN Avanti IMS - DTMF Interworking Solution.

IMS Network Architecture / Senior Expert Systems Architecture• IMS virtualization / cloud enabling security. Focus on OpenStack based implementations. • IMS wholesale security (architectures involving IMS interworking with OTT service providers).• IMS whitepapers on IMS security and on migration to IPv6.• Technical support of regional teams interacting with customers (AT&T, Verizon, RIL, Belgacom, FT, BouyguesTel, …) on IMS migration to IPv6 and on IMS security.• IMS Centralized AAA / Single Sign On (SSO) solution & integration with customer network infrastructure.• IMS Ethernet & IP Architecture documentation for IMS 8.x / 9.x / 10.x.• IMS Security Architecture documentation for IMS 6.x / 7.x / 8.x / 9.x/ 10.x / and technical support in meeting customers on this topic (Belgacom, BT, FT…).

Pre-IMS Network Architecture / Senior Systems Engineer• Systems work for the support of IP PBXs and dynamic SIP registration by IP PBXs in pre-IMS VoIP networks, based on SIP Forum - SIP Connect standard• Security features for the IMS solutions offered, at E2E network level and also with particular focus on the 5450 AGCF (Access Gateway Control Function) and 1390 GUP (Generic User Profile server) products.• Security features for the pre-IMS solutions with focus on the 5020 CSC (Call Session Control soft switch), 5020 SLS (Subscription Location Server) and 5430 SRB (Session Resource Broker) products.• Technical support for all security related issues with all the pre-IMS VoIP solution customer projects (BT, TNZ, Telnor, T-Com ...).• Technical support for the complete VoIP solution offered to WIND and TNZ. Pre-IMS network enhancements (Services, IP PBX support...).• High Level Design (HLD) documentation of VoIP solution customer projects.• Answering of customer RFPs for security questions and IPv6 questions.• Geographical Redundancy solution for Telenor.

Various jobs:- Development team leader: products supporting QoS in VoIP / Internet via ADSL access.- Systems Engineer : OAM of legacy PSTN systems (S12) and early VoIP networks based on MEGACO, H.323, and SIP.- Research Engineer: ATM and SDH/SONET