feature unit for key telephone systems to provide additional features such as personal speed dialing, last number redialing, busy number redialing, speaker phone and auxiliary jack for adding an additional telephone, facsimile machine or answering machine

'ad':28 'addit':9,30 'answer':35 'auxiliari':25 'busi':19 'dial':15 'facsimil':32 'featur':1,10 'jack':26 'key':4 'last':16 'machin':33,36 'number':17,20 'person':13 'phone':23 'provid':8 'redial':18,21 'speaker':22 'speed':14 'system':6 'telephon':5,31 'unit':2

KEYPLUS 30

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