Tier I (or Level 1, abbreviated as T1 or L1) is the initial support level responsible for basic customer issues. It is synonymous with first-line support, level 1 support, front-end support, support line 1, and various other headings denoting basic level technical support functions. [Citation needed] The first job of a Tier I specialist is to gather the customer's information and to determine the customer's issue by analyzing the symptoms and figuring out the underlying problem. [6] When…See More