In-Call Screen Layout And Operations - Samsung GALAXY J7 PERX User Manual

2. Tap one of the messages to send it to the caller.
You can edit the reject messages through the Call settings menu. From the phone app, tap
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More options > Settings > Quick decline messages and edit or create a reject
message.

In-Call Screen Layout and Operations

While you are on a call, you will see a number of options.
In-Call Screen Layout
Tap options to activate them during a call.
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Add call: Initiate a conference call (3-way call).
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Merge: Join two currently active calls (conference).
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Making Connections Phone Calls and Voicemail 35