VTech FS2615A - Flash; Microphone; Phonebook; Speaker Phone

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During a call: Press to turn on / off the speakerphone.
In predialing mode / Redial list / Call List / Phonebook entry:
Press to make a call with speakerphone.
During ringing: Press to answer a call with speakerphone.
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In idle mode: Press to access the phonebook list.
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In idle / predialing mode: Press to insert a flash (3).
During a call: Press to dial a flash.
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