Aastra Dialog 4223 Professiona User Manual page 117

s
s
h
Headset
h
Headset
BusinessPhone — Dialog 4223 Professional / Dialog 3213
Headset with Group Listening
Press to toggle between headset with or without Group
Listening.
Headset to handsfree
Press.
Press the Headset key (optional).
Handsfree to headset
Press the Headset key (optional).
Accessories
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