With all the amazing different types our iPhone’s can do, we sometimes forget they are also a phone. While calling people isn’t nearly as common as it once was, it still happens and your phone still needs to be able to make and receive calls. However, there are bound to be times when you are not by your device when a call comes through. But instead of just missing the call entirely (which could be incredibly important), why not set up voicemail on your device. While it might sound like a daunting task, it really isn’t that bad or hard to create. However, if you are confused about how to set up voicemail on your iPhone 6S, worry no more. This article will go into how to set up your voicemail on your device with ease.
When you reset network settings, all of your iPhone’s Wi-Fi and cellular network settings will be erased. This includes your Virtual Private Network (VPN) settings, your Bluetooth devices, and your Wi-Fi networks — so make sure you write down your passwords first! We do this step because it can be very difficult to track down the exact source of a software problem, so we reset all network settings.

Note: The text messaging notifications feature is only supported in specific regions and for specific mobile service providers. If you don't see your mobile service provider listed, you won't be able to set up text messaging notifications.
Use Voicemails Forever to record the voicemails from your carrier voicemail box.