NEW Push To Talk PTT HD Voice Handset for Polycom VVX 250 / 350 / 450 Series IP Phone

NEW Push to Talk Handset for Polycom VVX 250 / 350 / 450 Series IP Phones.

*NOT Compatible with VVX Models 300 310 400 410 411 500 600 1500

*Push-to-Talk (PTT) handsets address the need for security in environments where background conversations must not be over heard on the telephone.