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.
Expanding on the simple approach above, let the caller know who they've reached. This will not only eliminate people leaving voicemails by mistake, but it will reassure the caller that they have called the number they intended.

This type of service can be very beneficial as users are still able to craft their own messages, while a professional reads them. In doing so, companies can spend more time on the scripting process, making sure the text conveys everything they want it to. As such, companies may bring in expert teams to draft, revise, and/or finalize the script itself. The bottom line is you can take more time to get the words right. Additionally, in working with a professional voice talent, you are ensuring your words have the utmost impact—i.e. the words are read perfectly with the right tone, resonance, pacing, etc.
2. Professional voicemail greetings for your business cell phone number. It’s a good practice for each of your team members to have their own personal business phone numbers.