Extreme Networks ExtremeWorks Premier Software and Global Technical Assistance Center (GTAC) - Technical support - phone consulting - 1 year - 24x7 - response time: 15 min - for P/N: AH2735013-3.0 Premier support from Extreme Networks, is a proactive, high touch post sale support service that assists customers in supporting their Extreme Networks products and network. All resources and deliverables are designed to manage your day-to-day technical needs, provide analysis and recommendations while building strong customer relationships, all focused on keeping your network performing at optimal levels.