With this method, you don’t need a third-party app. Call the person you want to chat with, then tap the “Add Call” button on your phone’s screen. Dial your own phone number—the one you’re calling from. This will take you to your voicemail. Once your voicemail has started recording, tap the “Merge Calls” button on your screen. Now, you’ll record your phone conversation onto a voicemail message. When you’re done with the call, you can tap the share button to export it to your Mac via Airdrop, to the Voice Memos app, or transfer it via email or text message. The file is recorded as an M4A, so depending on what you want to do with it, you may need to convert it to MP3 before uploading it to other apps.
The voicemail greeting is an important element of your business’ phone system because it is often the first impression of your business that customers will have. Creating a really good voicemail greeting is a unique opportunity that you can use to impress customers by putting your best face on, while increasing the chances that you’ll retain their business in those times when you can’t

Setting up voicemail on your iPhone can be a confusing business. There's no voicemail app on your iPhone that provides quick access to the main voicemail options, so you'll need to check with your individual mobile network provider to see what voicemail options are available and how much they cost. However, there are a number of key features that you need to know about when using voicemail. Read next: How to stop iPhone calls going straight to voicemail
To use a different greeting you already recorded or switch back to the default greeting: On your Android device, open the 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.