brief:itsm-concepts-wave1
October 30, 2026 | 13 min
First Call Resolution (FCR): Definition, Formula and How to Improve Your FCR Rate
First call resolution (FCR) for IT support: the definition, how to calculate the FCR rate, what pushes it up or down, and practical ways to improve it.
October 30, 2026 | 13 min
IT Escalation Matrix Template: Functional and Hierarchical Escalation, Contacts and Time Limits
An IT escalation matrix template you can copy: functional and hierarchical escalation, contacts, time limits and notification steps, written as numbered lists.
October 30, 2026 | 13 min
L1, L2 and L3 Support Levels Explained: Who Does What and How Tickets Move Between Them
What level 1, level 2 and level 3 IT support each handle, how tickets are handed over, and how to split the tiers when you outsource your service desk.
October 30, 2026 | 11 min
Major incident management: the process, roles and communication plan
Major incident management explained: how to declare one, the step-by-step process, roles, communication cadence, and how it differs from problem management.
October 30, 2026 | 11 min
MTTR, MTBF and MTTA meaning: definitions, formulas and worked examples
MTTR meaning explained with MTBF and MTTA: what each stands for, the formulas, worked examples, and which ones belong in an IT support SLA report.
October 30, 2026 | 10 min
RTO vs RPO: what they mean and how to set them for your business
RTO and RPO explained: how long you can be down versus how much data you can lose, with worked examples and how backup frequency decides your RPO.