Home | End Users Hub | Phones and Voicemail | Poly VVX 250/350/450 Phones & Voicemail Hub To start, please select from the categories listed below: Poly VVX 250/350/450 Videos The Basics Lines View Home View Feature Keys Placing Calls Receiving Calls Hold and Resume Calls Placing Calls on Mute Performing a Blind Transfer Performing a Consulted Transfer Performing a Direct to Voicemail Transfer Initiating Three Way Conference Calls Do Not Disturb Call Forwarding Call Park Retrieving Parked Calls Enhanced Call Park Accessing Call History Adding Contacts to Directory from Call History Adding Contacts Setting up your Voicemail Accessing Voicemail Poly VVX 250/350/450