Service Level: 8x5xNBD (8 hours per day, 5 days per week, next business day response)
Hardware Replacement: Next Business Day (NBD)
Software Support: Major and minor IOS updates
TAC Access: 24x7 access to Cisco Technical Assistance Center
Covers: ISR4331-AX/K9, ISR4331-AX/K9-RF, ISR4331-AX/K9-WS, ISR4331R-AX/K9
No onsite engineer included
Extended access to Cisco.com resources