Lenovo Wireless VoIP Headset, Wireless, Ufficio, 20 - 20000 Hz, 140 g,...
Grandstream Networks HT802, T.38, SRTP, SSL/TLS Grandstream Networks HT802....
Grandstream Networks HT802, T.38, SRTP, SSL/TLS Grandstream Networks HT802....
Grandstream Networks HT812, iLBC, G.711, G.723.1, G.726, G.729A, G.729B,...
Grandstream Networks HT812, iLBC, G.711, G.723.1, G.726, G.729A, G.729B,...