AT&T 2500 series, 7500 series, 7100 series, 7200 series, 7400 series manual Dod, 23/FX-DOD OUT, In/Did

C-20TRUNKING TERMS AND CAPABILITIES

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SWITCH A

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FOR EACH "SWITCH A" TRUNKING OPTION (LISTED BELOW) — REFER TO THE

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CORRESPONDING RECOMMENDED "SWITCH B" TRUNK OPTIONS (RIGHT FACING PAGE).

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⎜GROUP/CALL TYPE

⎜⎜DIREC-

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SUPERVISION

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SIGNALING

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TION

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GENERIC 2,

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⎜⎜

⎜⎜

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⎜

⎜⎜

⎜⎜ GS

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LS

⎜ RB

⎜ E&M

⎜ ISDN

⎜⎜ INCOMING

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OUTGOING

⎜ TIMEOUT

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SYSTEM 85, OR

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⎜⎜

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DIMENSION PBX

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⎜⎜"ALERTING"

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"ADDRESSING"

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(NOTE 3)

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⎜⎜

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18/CO

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OUT

⎜⎜D-2

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⎜⎜

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(NOTE 9)

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⎜⎜

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⎜⎜

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19/CO

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2W

⎜⎜

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⎜⎜

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⎜

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⎜⎜

⎜⎜D-1

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⎜⎜

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Attendant

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⎜⎜

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19

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⎜⎜

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Completing/IN

⎜⎜

⎜⎜

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28

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AUTO

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IMMED-START

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DOD

⎜⎜

⎜⎜

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⎜⎜

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⎜⎜

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29

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AUTO

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WINK-START

⎜ (NOTE 10)

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⎜⎜

⎜⎜

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20

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DMI-MOS

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DMI-MOS

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(NOTE 5)

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20/CO

⎜⎜

2W

⎜⎜

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⎜⎜

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⎜

⎜⎜

⎜⎜D-2

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⎜⎜

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(NOTE 9)

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21/FX

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IN

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⎜⎜

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⎜⎜

⎜⎜D-1

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⎜⎜

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Attendant

⎜⎜

⎜⎜

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19

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⎜⎜

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⎜⎜

⎜⎜

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⎜

⎜

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⎜⎜

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Completing

⎜⎜

⎜⎜

⎜

⎜

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28

⎜

⎜⎜

AUTO

⎜

⎜

⎜

⎜

⎜⎜

⎜⎜

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29

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⎜⎜

AUTO

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(NOTE 4)

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20

⎜⎜

DMI-MOS

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(NOTE 5)

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22/FX

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OUT

⎜⎜

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⎜⎜

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⎜

⎜

⎜⎜

⎜⎜D-1

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⎜⎜

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DOD

⎜⎜

⎜⎜

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19

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28

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⎜ IMMED-START

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⎜⎜

⎜⎜

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29

⎜

⎜⎜

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WINK-START

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(NOTE 11)

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⎜

⎜⎜

⎜⎜

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20

⎜⎜

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DMI-MOS

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(NOTE 5)

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23/FX-DOD

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OUT

⎜⎜

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⎜⎜

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⎜

⎜⎜

⎜⎜D-2

⎜

⎜

⎜

⎜

⎜⎜

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(NOTE 9)

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24/FX

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2W

⎜⎜

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⎜⎜

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⎜

⎜⎜

⎜⎜D-1

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⎜⎜

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Attendant

⎜⎜

⎜⎜

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19

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⎜⎜

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Completing

⎜⎜

⎜⎜

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⎜⎜

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⎜⎜

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28

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AUTO

⎜ IMMED-START

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IN/DID

⎜⎜

⎜⎜

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29

⎜

⎜⎜

AUTO

⎜

WINK-START

⎜ (NOTE 4)

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⎜

⎜⎜

⎜⎜

⎜

⎜

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20

⎜⎜

DMI-MOS

⎜

DMI-MOS

⎜

(NOTE 5)

⎜

⎜

⎜⎜

⎜⎜

⎜

⎜

⎜

⎜

⎜⎜

⎜

⎜

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25/FX

⎜⎜

2W

⎜⎜D-2

⎜

⎜

⎜

⎜

⎜⎜

⎜

⎜

(NOTE 9)

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⎜⎜

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Notes:

9.To be used with CO applications that provide a "party test" signal toward the PBX.

10.This trunk type and optional signaling arrangement may be used to build a "Special Access" trunk group. Although other trunk group types may be more appropriate, this trunk group signaling arrangement may function to provide trunking facilities for MEGACOM Service.