When asked to press a number, pause on the phone/mic icon and click a number under the DIAL PAD tab.
Most people screen their phone calls and often avoid answering unknown numbers. If you’re applying for new positions, you should try to view each unexpected call as an exciting opportunity! In the event that you simply can’t pick up the phone, you’ll want a polished voicemail greeting to let the caller know they’ve reached the right person.

After you hang up, the recorded call will appear in the Voicemail section of your iPhone’s Phone app. The Easiest, Most Versatile Method: Just Use Speakerphone and a Recorder. At the end of the day, the best and most simple method for recording calls on the iPhone is doing it the old-fashioned way: Speakerphone and a recorder of some kind.
You can delete individual voicemails as you listen to them, and most networks will automatically delete old voicemails after 30 days. However, few networks offer a simple way of deleting multiple voicemail messages when your mailbox is full – unless you can use an option such as Visual Voicemail, which lets you delete messages with a quick tap of your finger.