My iPhone Won’t Play Voicemails! Here’s The Real Fix For Verizon, AT&T, & T-Mobile.
If you have any query about voicemail, you can find the ultimate guidance from the article. Besides the greetings, messages, password and numbers, you can master all the skills to change your voicemail on iPhone. When you have any other query about the topic, we are looking forward to hearing the detail information from you in the comments.

To change the voicemail password of your iPhone, follow the following easy steps. Step 1. On your iPhone, go to settings and click "Phone". Step 2. On the Dropbox that will appear, click "Change Voicemail Password". Step 3. When prompted, enter your current password and click "Done". Step 4.
After setting the number on your voicemail, you must also record a personal voicemail greeting. Follow the steps below. Start the Phone app. if you don’t see the numeric keypad, tap “Keypad” at the bottom of the screen. Tap and hold the “1” for about two seconds until the phone automatically calls voicemail. Immediately tap “3” to access voicemail settings. Listen to the options. On most voicemail systems, tap “2” to start the process to record a new greeting. The current personal greeting will play; then tap “2” again to record a new greeting. Say the greeting you want, and tap “#” when you’re done. To save the greeting, tap “1.” The personal voicemail greeting has been set. Hangup the phone. How to setup voicemail using a Visual Voicemail Applications