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Tone / pulse switch
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Commercial grade high quality
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Speaker volume adjustable
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Last number redial
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Auto busy redial
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Pause function
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Hold with mute and extension release
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Flash time (100/300/600/1000ms) adjustable
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12 two-touch memories
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Tone key (to change dialling mode from pulse to tone)
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Ringer volume Hi-Low adjustable
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Cellular phone RFI noise immunity
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Desk / wall mountable
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FSK / DTMF available
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16-digits LCD display with 5 level contrast adjustable
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VIP memory
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Date and time stamp
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Auto call timer
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Receiving status indication
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Pre-set area codes
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Call back from caller ID memory
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Review call message
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Remove call message (single/all)
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New call indication
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Power: 4 UM3 "AA" batteries (6V) or AC adapter (optional)