Recording voicemail greetings for your business or personal life requires a separate list of priorities, because they are being used for two distinct purposes and will be heard by two very different types of callers. I have a friend with two cell phones - one for work, and one for personal calls - and if you call both lines, you would never know it's the same person.
Open your Phone app. Tap Voicemail. Select Greeting. By default, your voicemail will be setup with your carrier's generic greeting. To record a custom greeting, select Custom. Tap Record to begin recording your voicemail greeting. When you finish recording, tap Stop. To make sure you're happy with your new greeting, tap Play.

Use these step-by-step instructions to set up your voicemail. And don't worry if you make a mistake — you'll always have the option of backing up and changing your response.
Part 1: How to Fix "iPhone Asks for Voicemail Password" Note: When you purchase your iPhone, there is a default voicemail password that is set. This could be the last 4 digits of your social security number, or 1111, or 0000, or 1234. Setting up a voicemail password is always important due to security reasons.