If you’ve already created a custom voicemail on your iPhone, you can tap Play to see how your voicemail sounds. If you’re interested in creating a new message, tap the Custom button. From here, you can start recording your message by tapping Record and tapping Stop whenever you’re finished. Once you’re finished recording, tap on Play to make sure the message comes across as you’d like and hit Save (in the upper right) to save it as your voicemail.
If you don't record a new greeting, callers hear the default greeting. To record a new greeting: Open the Google Voice app . At the top left, tap Menu Settings. In the Voicemail section, tap Voicemail greeting. Tap Record a greeting. Tap Record . Record your greeting and when you’re done, tap Stop . Choose what you want to do with the recording:

If you are a new customer and have not established a voicemail box, you will be prompted to choose a password and greeting. Must be from 4 to 10 digits long. Can’t be a single digit repeated (like 1111). Can’t be an ascending or descending sequence (like 1234 or 7654). Can’t be your phone number or part of it. Can’t be 7890, 2580 or 1210. Can’t be the same as a previous PIN. Setup a personal voicemail greeting on the Samsung Galaxy S21 Series
5 hours agoThe default voicemail greeting on the iPhone plays generic Your call has been forward to an automated voice message system recording. If you use your phone for work, create a personalized greeting that tells people you're a professional. If your phone is for personal use, create a personalized greeting so people hear your voice and know they called the right number.