4.4 Revision History
4.4.3
PSMPR Software File Version 4.0xxx
Changed Contents
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1.2.4 When the Dialled Line is Busy or There is No Answer
Sending a Call Waiting Notification (Call Waiting)
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1.11.1 Using the Same Settings as Your Previous Extension (Walking Extension)
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1.12.1 Using the Call Log
Calling with the Incoming Call Log
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3.1.2 Settings on the Programming Mode
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Automatic Call Waiting
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Manual Call Waiting
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User Manual