Record your greeting. Under Voice mail, select Greetings. Select the type of greeting you want to record. Select Call me to play or record the selected greeting. Enter your phone number and select Dial. Follow the instructions in the recorded message to record your greeting. When finished recording, click Save.
Your clients don’t have a lot of time, and neither do you. Use the following short voicemail greetings to get to the point quickly and invite them to leave a message.

After creating, the Voicemail Greeting, you can test it by calling to your number from another phone, and see if it is playing correctly or not. Open the Phone App. On the lower screen, tap on the Voicemail option. Select Custom, with this option, you can record the personal voicemail greeting on the iPhone. Tap Record, to start recording the voicemail greeting message on the iPhone. Greeting samples are given in this article below, Once you are done with recording, tap Play to listen. Lastly, if everything is alright, and custom voicemail recording is perfect, then tap Save.
You want this experience to be a positive one for the caller. Make sure your voicemail provides information such as your hours for operation and additional contact information. You’ll also want to address when the caller can expect your call or list other ways they can get in touch should you not answer.