Check your voicemail on iPhone. In the Phone app , Visual Voicemail (available from select carriers) shows a list of your messages. You can choose which ones to play and delete without listening to all of them. A badge on the Voicemail icon indicates the number of unheard messages.
It’s a good practice for each of your team members to have their own personal business phone numbers. There are many reasons why they shouldn’t use their personal cell phone number for business, so you’ll want to give them their own phone number through your VoIP provider or phone system.

Record Your Thoughts in Teams Personal and Group Chats To record a voice memo, hold down the microphone icon (Figure 1) and speak. Release the hold to stop the recording and then send it as you would a normal message. Teams Feature Storage Location Voicemail Messages Stored in users’ Outlook mailbox Meeting Recordings (1:1 and Group) Stored in the OneDrive account of the user who started the recording in a folder named Recordings
You may need the password you created when you set up your voice mailbox. You'll only need to enter your password in the Visual Voicemail app once, during the initial setup of the service. To limit unauthorized access to your voicemail, consider locking your phone when you aren't using it.