There is a way to save a voice message on iOS mobile by recording it on Notes or Voice Memos and set them as voicemail greeting. Also, you can share them using SMS, Email, Airdrop, Google Drive, and more, to make a back-up of the recorded voicemail. It isn't delightful when you expect a client call and can't answer it at the moment. You can't get all your phone calls at all times, especially when you are busy with your work. That is why it is important to record voicemails on your iOS device and set it as a response on an incoming call. Therefore, we have listed the steps below on how to capture voicemails on iOS.
Step 8: All call recording audio files can be found in the My Files app in Internal Storage > Call folder. You can also view all call recordings from the Phone app by going to Phone app > 3-dot menu button > Recorded Calls.

So continue reading below to learn how to record a voicemail greeting on your iPhone and set it to play on any call that goes to voicemail. Record a Voice Mail Greeting in iOS 7 on the iPhone 5. The tutorial performed below was done on an iPhone 5 that is using the iOS 7 version of the operating system.
Calls will still technically be delivered to your phone, but your phone will not alert you to the call. This is a handset block and not a network block. You can put a network block on persistent telemarketers, but you need to contact your network provider for that. To view voicemails from blocked calls, go to Voicemail, then scroll all the way to the bottom and tap “Blocked Messages.”