Nuovo telefono vocale HD per telefono IP Polycom VVX 250 / 350 / 450 nero / antracite
Compatible with VVX Models 250, 350 or 450 only. Compatible with Polycom VVX Series IP Phones: 300 301 310 311 400 401 410 411 500 501 600 601 1500 &. Soundpoint IP Series Phones: 335.