/ VOL
Used to adjust the ringer/receiver volume.
/ / HOLD
During talking, used to place a call on Hold. In standby mode, used to retrieve a call on hold if there is
one.
Microphone
Used for hands-free conversation.
/ SP-PHONE
Used for performing hands-free operations.
/ / TRANSFER
Used to transfer a call to another party.
/ CONF
Used to establish a multiple-party conversation.
2.3 Location of Controls
Document Version: 2017-08 Operating Instructions 31
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