Wondering how to get an extra phone number to use with your smartphone? Read Burner Accounts 101. And if you're only recording in-person conversations, check out 9 Voice-Recorder Apps That Won't Miss a Second.
For many businesses and professionals, your voicemail greeting is going to be the first point-of-contact for your customers. This is especially true for service businesses, who often rely on their voicemail to collect information from interested parties.

Your network can be the culprit causing the issue for the application. Sometimes, the network can be blocking the application usage for your phone. Several users solved this issue by resetting their network settings. Resetting network settings will renew all the information related to the network that you are using on your phone. You can reset the network settings by following the steps below:
With Visual Voicemail, you can see a list of your messages and choose which ones to listen to or delete. Learn how to set up and transfer your existing voicemail. Create a voicemail password, then tap Done. Enter your password again to confirm it, then tap Done. Select Custom or Default. If you choose Custom, you can record a new greeting. Go to the Phone app, then tap the Voicemail tab. Tap Set Up Now. Enter your password,* then tap done. Record a custom greeting or use the default greeting, then tap Save.