Headsetsysteme - Rufannahme durch externe Schaltfläche in Form einer Fuß- oder Handtaste
Headsetsysteme - Plantronics CS60
Amazon.com: Axtel Bundle Prime HD Mono NC with AXC-01 RJ-9 Cable - Headset with Noise Cancelling Microphone for IP Desk Phones Avaya 2400/4600 Series, Mitel 6800 Series, NEC DTL/ITL, Nortel, Polycom VVX -