"Grandstream SIP GRP-2650 Professional Business - Telefono voip - Voice over ip"
Grandstream SIP GRP-2650 Professional Business - Telefono voip - Voice over ip - TCP/IP - VOIP - Power over Ethernet - WLAN - Aut. riconoscimento - Elenco telefonico - Regolatore di volume - CE - FCC - GSM 900/1800 (Dualband)