Cisco IP Phone 7811 - VoIP -puhelin - SIP, SRTP

The Cisco IP Business Phone 7811 with Multi-Platform Phone Firmware delivers high-fidelity voice communications to improve inter-office communication while helping to lower operating costs. This voice over IP phone is ideal for any medium-sized to large company that wants to update its phone system from a traditional analogue or digital-based system to an IP Communications system. ...