From a voicemail customer perspective, it leaves them possibly listening to silence (or background noises) until the call clearing signal is received and the voicemailbox is closed. Some systems will give you the option to playback/re-record your message, as well as mark it urgent etc. On your Android device, open the Google Voice app . At the top left, tap Menu. Settings. Under Voicemail, turn on the type of forwarding that you want: Get voicemail via message – Tap, and then next to your linked number, tick the box. How do voicemails work?
How do I change my voicemail greeting on Android? Open the Phone app . Press and hold “1” to call your voicemail. Enter your PIN and press “#”. Press “*” for the menu. Press “4” to change settings. Press “1” to change your greeting. Follow the recorded instructions. Access your main voicemail menu. Listen for instructions to enter your password. From the main menu press 3 for Personal Options. Press 2 for Greetings. Press 1 to Change Greeting. Press 1 to Record personal greeting or press 2 to select the standard greeting. Tap on Call settings and select Voicemail. Tap on Voicemail service and select My carrier or My operator. Tap on Setup, select Voicemail number and type in your voicemail number. Tap on OK in the Voicemail number changed popup.

In the video lesson, I shared this example for a common voicemail greeting in English:
Keep the conversation going, and give prospects an easy way to return your call by shooting them a quick email once you hang up the phone. Salespeople are used to being on the phone all day -- but not all prospects are.