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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