You can record a custom greeting for your voicemail or use the default greeting for Google Voice. Record up to 10 voicemail greetings and select the one that you want callers to hear.
Record a new greeting
When you use the Google Voice app, you can record a greeting up to 3 minutes long. If you use Safari to record the greeting, it can only be one minute long. 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:
    -  To listen to the recording, tap Play . 
- To replace the recording, tap Redo.
- To save the recording, tap Save. Enter a name for the new greeting and tap Save.
 
-  To listen to the recording, tap Play 
Change your greeting
To use a different greeting that you already recorded or switch back to the default greeting:
- Open the Google Voice app . 
- At the top left, tap Menu Settings. 
- In the Voicemail section, tap Voicemail greeting.
- Next to the greeting you want to use, tap More Set as active.