2. Enter the destination you wish to transfer the call to, then press [SEND] softkey. 3. Once the receiving party answers, announce the call. 4. To complete the transfer, press again. If you hang up before the call rings, the transfer will fail and the call will be disconnected. Direct to Voicemail: Transfer a call directly to voicemail 1. Press . 2. If a phone rings once and then goes to voicemail or rings only briefly, it You can't definitively know the cause of a phone barely ringing and going to voicemail because neither a phone company nor the phone's operating system provider will tell you if your phone number is blocked.
However, as of February 2021, reviewers share the same concern as was expressed towards Slydial — it only works sometimes. WhatCall imports all of your contacts, so all you have to do is open the app and tap a contact. From there, you will be directly connected with their voicemail. WhatCall is a cell-only app, costing $0.99 on the iOS app store.

As mentioned earlier, before you try to set up visual voicemail, make sure you have it activated on your phone and that your carrier allows it. If your phone isn’t capable of using visual voicemail, then simply move on to the next method.
Recording voicemail greetings for your business or personal life requires a separate list of priorities, because they are being used for two distinct purposes and will be heard by two very different types of callers. I have a friend with two cell phones - one for work, and one for personal calls - and if you call both lines, you would never know it's the same person.