Headset to handset, Handset to headset, Headset with group listening – Sony Ericsson Dialog 4223 User Manual
Page 108: Headset to handsfree, Handsfree to headset

Accessories
BusinessPhone – Dialog 4223 Professional / Dialog 3213
108
Headset to handset
u
Lift the handset.
Handset to headset
Í
Press the Headset key.
Headset with Group Listening
Â
Press to toggle between headset with or without Group
Listening.
Headset to handsfree
Â
Press.
Í
Press the Headset key.
Handsfree to headset
Í
Press the Headset key.
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