Cortelco 7150 ユーザーズマニュアル

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OPTIONS BUTTON ....................................................................................  17
MESSAGE ERROR .....................................................................................  18
NO DATA SENT .........................................................................................  18
PRIVATE CALLS ........................................................................................  18
UNKNOWN CALLS ....................................................................................  18
TOLL CALLS .............................................................................................  18
FORWARDED CALLS ................................................................................  18
TELEPHONE SERVICE PROBLEMS ................................................................. 19
MAINTENANCE INFORMATION ....................................................................... 20
TELEPHONE REPAIR ......................................................................................... 21
INDEX
............................................................................................................. 22