Headsets for Mitel Aastra Phone Models 5370 IP, 5730, 6771, 6773 IP, 6775 IP, 7434 IP, 7444 IP, Office 70 IP

The Mitel Aastra phone models above have a direct-connect RJ-9 headset port. You will not need to lift your handset off the hook to make a call. Simply purchase any Plantronics H-Series headset along with the direct connect cable 38340-01 (also called U10-S19). No amplifier is needed!