How do I save important voicemails?
How to save and share your voicemail
To save your voicemail message as a note or voice memo, or to share it using Messages, Mail, or AirDrop:
Go to Phone > Voicemail.
Tap the voicemail message that you'd like to save, then tap .
Choose Add to Notes or Voice Memos. Then save your voicemail message. Or choose Messages, Mail, or AirDrop, then type and send your message with the attached voicemail. You can also share the voicemail by tapping an AirDrop contact.
This depends upon your carrier. So go to out blog at blog.techtipguys,com and follow the link.