Go to the Phone app, then tap the Voicemail tab.Tap Set Up Now.Enter your password,* then tap done.Record a custom greeting or use the default greeting, then tap Save.
The interconnectedness of our lives has become so pervasive in recent years that it is sometimes difficult to imagine taking a break from checking our phones at all hours of the day.

By using the reset network settings, an effectiveoption to solve network related issues, you can fix allthese problems by simply resetting the networksettings of your iPhone as it will clear all the networksettings, current cellular network settings, saved Wi-Finetwork settings, Wi-Fi passwords, and VPNsettings How do you reset your voicemail greeting? From the Home screen, tap the Phone icon . Tap Voicemail then tap Greeting (upper-left). Greeting islocated in the top-left corner of screen. Tap Custom to record a greeting. Enabled when a checkmark ispresent. Tap Record to begin recording the custom greeting message. Tap Stop to end recording then tap Save. How do you change voicemail settings on iPhone? Go to the Phone app, then tap the Voicemail tab. Tap Set Up Now. Create a voicemail password, then tap Done. Enter your password again to confirm it, then tap Done. Select Custom or Default. If you choose Custom, you can recorda new greeting. Tap Done to save your greeting.
It will allow you to change the greeting from the regular one, and people can leave messages for you when you are not available. Apple's visual voicemail configuration is so easy on the iPhone. However, there are a group of people complaining that they forgot their voicemail password, not knowing how to reset voicemail password on their iPhones