Polycom VVX 500 series - How do I check my voicemail from my phone?

End User Training Participant Guide
Polycom VVX 500 and 600 Series Phones
11
How do I transfer a call if I don’t need to talk to the recipient before I
send the caller through (Blind transfer)?
To transfer a call to a recipient without talking with the recipient first, you use
the BlindXfer soft key.
1. Tap BlindXfer.
Notes
2. Dial the recipient’s extension or number.
3. Tap Enter.