Letter of Authorization (LOA)
What is a Letter of Authorization in telecom, and how are they used? Learn all you need to know about Letters of Authorization here.
What is a Letter of Authorization?
A Letter of Authorization (LOA) is a document used to delegate authority and/or responsibility from one person or organization to another. In telecom, a letter of authority gives a new carrier or RespOrg authority to contact your current provider to begin the number porting process.
In other words, an LOA is legal document where the "winning" carrier explains to the "losing" carrier their authorization to port services and/or phone numbers from one another. While it can be a paper document with a real signature, typically LOAs are completed electronically.
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