AdvIS expert operational area covers Telco Service Management and Resource Management layer processes and IT architecture. Based on eTOM; ITIL business line standards or suggestions AdvIS experts are able to analyse related “as-is” business processes and define optimal “to-be” processes and impacted support system architecture according to business requirements and IT strategy of company. Service and Resource Management layer of Telco business is a network close area which requires deeper Telco service and network/device management system knowledge. AdvIS helps to recognize process and IT architecture challenges from special “OSS – Operational Support System” point of view and suggests process optimization steps and necessary optimal OSS / BSS architecture. AdvIS is engineering from functional and non-functional business requirements to UML /BPML /ERD /SWOT /RACI /CRUD /Agile /ETL /Process Animation /SoaML /Zachman /ArchiMate 3 (The Open Group Certified) techniques and E2E view of activity /timing /Use Case /User Story /Scenario with the fundamental background of TOGAF and PMBOK.