Polycom VVX 500 series - Conference Calls; How do I make a 3-party Conference Call?

Polycom VVX 500 / 510 / 600 / 610
Transfer a Call > Three Types
Consultative
You talk with the person to whom
you are transferring the call before
completing the transfer
Blind
You transfer the call without talking to
the recipient before completing the
transfer
Direct to Voicemail
You send the call directly to the
voicemail of the person to whom you
are transferring the call
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