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.
Each carrier has a different method for setting up voicemail, and we’ve provided a brief description of how to do it (and where to find instructions) where applicable below.

Note: Voicemail, Visual Voicemail, and Voicemail transcription are available from select carriers in select countries or regions.
• Record and Send a Message • Change Your Mailbox Greeting • Change Your Mailbox Name • Select a Voicemail Email Mode • Change Your Voicemail Code • Turn Use of Voicemail On/Off • Transfer to Voicemail • Send a Call to Voicemail. Other Functions. This guide covers just the visual voice functions that you can use from the phone's