Standard greeting with phone number: "At the tone, please record your message to [phone number]." Standard greeting with your name: "At the tone, please record your message to [name]." Record a personalized greeting, up to 3 minutes long. A common template you can follow is: "You've reached [name]. We can't get to the phone right now, but if
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.

Qustion: Why is My Voicemail Unavailable on My iPhone? The first reason comes to the settings on the iPhone itself. Your carrier probably restricts your voicemail boxes. Your voicemail box is probably full. The software glitches on your iPhone after new iOS update.
The very first thing to be checked is, have you set up the voicemail earlier or directly recording the voicemail greeting? If you haven’t already set up the voicemail and unable to record voicemail greeting, then go to the top of the page and learn how to set up voicemail on the iPhone.