In this section . . . . . . . . . . . . . . . . . . . . . . .PageProgram 14 - Flexible Station Numbering(FLEX.STA.#ING) . . . . . . . . . . . . . . . . . . . . . . . . . .175Program 15 - System Options (1) (SYS ASSIGNMENT1) .175Program 16 - System Options (2) (SYS ASSIGNMENT2) .176Program 17 - System Options (3) (SYS ASSIGNMENT3) .177Program 18 - System Options (4) (SYS ASSIGNMENT4) .178Program 19 - System Options (5) (SYS ASSIGNMENT5) .178Program 20 - System Options (6) (SYS ASSIGNMENT6) . .179Program 21 - Exclusive Hold Timers(EXC.HOLD TIMERS) . . . . . . . . . . . . . . . . . . . . . . . .180Program 22 - System Hold Timers (SYS.HOLD TIMERS) .180Program 23 - Unscreened Transfer Recall(UNANN.XFER TIMER) . . . . . . . . . . . . . . . . . . . . . . .181Program 24 - Screened Transfer Recall(ANN’D XFER TIMER) . . . . . . . . . . . . . . . . . . . . . . .181Program 25 - Call Duration Timer (CALL DUR. START) .182Program 26 - Flash Timer (FLASH TIMER) . . . . . . . . . .182Program 27 - SMDR Timer (SMDR TIMERS) . . . . . . . . .183Program 28 - Call Forward Transfer Timer(DELAY RING TIMER) . . . . . . . . . . . . . . . . . . . . . . .183Program 29 - Attendant Reverting (ATT.REVERT TIMER) .183Program 30 - Voice Message Timer (ANN.TIMERS) . . .184Program 31 - Line to Line Cut-Off Timer(LN.TO LN.TIMERS) . . . . . . . . . . . . . . . . . . . . . . . . .184Program 32 - DTMF Receiver Release Timer(PB REC.REL.TIMER) . . . . . . . . . . . . . . . . . . . . . . . .185Program 33 - LND/Repeat Dial Timer(LINE DROP TIMER) . . . . . . . . . . . . . . . . . . . . . . . .185Program 34 - Repeat Dial (REP.DIAL TIMERS) . . . . . . . .186Program 35 - Class of Service (CLASS OF SERVICE) . . .186Program 36 - Permitted Codes (PERMITTED CODES) . . .187Program 37 - Allowed Number, Dialed Digits(DIGIT LIMIT COS3) . . . . . . . . . . . . . . . . . . . . . . . .188Program 38 - PBX/Centrex Access Codes(PBX ACCESS CODES) . . . . . . . . . . . . . . . . . . . . . . .188Program 39 - Common Unrestricted Codes(COMM.UNRESTRICT) . . . . . . . . . . . . . . . . . . . . . . .188Program 40 - COS 1, Restricted Codes(RESTR. CODES B) . . . . . . . . . . . . . . . . . . . . . . . . .189Program 41 - COS 2 + 3, Restricted Codes(RESTR. CODES D2) . . . . . . . . . . . . . . . . . . . . . . . . .189Program 42 - Walking COS Security Code(UNREST.SEC.CODES) . . . . . . . . . . . . . . . . . . . . . . .190Program 43 - COS Assignment, Security Code(UNREST.CLASS) . . . . . . . . . . . . . . . . . . . . . . . . . . .1904