AT&T 7100 series, 7500 series, 2500 series, 7200 series, 7400 series manual Switch B, GROUP/CALL Type

TRUNKING TERMS AND CAPABILITIES C-19

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SWITCH B

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RECOMMENDED TRUNK OPTIONS — OTHER OPTIONS MAY WORK FOR

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SOME APPLICATIONS; HOWEVER THESE OPTIONS SHOULD ALWAYS WORK.

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GROUP/CALL TYPE

⎜⎜DIREC- ⎜⎜SUPER- ⎜⎜

SIGNALING

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TION

⎜⎜VISION ⎜⎜

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GENERIC 2,

⎜GENERIC 1,

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4 ESS

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5ESS

⎜OTHER

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INCOMING

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OUTGOING

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⎜ SYSTEM 85, OR

⎜ SYSTEM 75

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⎜DIMENSION PBX

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"ALERTING"

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"ADDRESSING"

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E&M,

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Y

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2W

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E&M

⎜⎜DIAL-TONE WITH

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DELAY-DIAL

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DTMF,

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(Note 6)

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⎜⎜WINK-START OR

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WINK

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DELAY-DIAL

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E&M,

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Y

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2W

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E&M

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DIAL-TONE

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WINK-START

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DTMF,

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(Note 6)

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⎜⎜WINK-START OR

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WINK

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DELAY-DIAL

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E&M,

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Y

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2W

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E&M

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DIAL-TONE

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DELAY-DIAL

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⎜DTMF, WINK

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(Note 6)

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IMMED-START

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E&M,

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Y

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2W

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E&M

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DIAL-TONE

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WINK-START

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⎜DTMF, WINK

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(Note 6)

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IMMED-START

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⎜Y (Note 7)

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OUT

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GS

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⎜Y (Note 7)

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OUT

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LS

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Y (Note 7)

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OUT

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E&M

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IMMED-START

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IMMED-START

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⎜Y (Note 8)

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OUT

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E&M

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WINK-START

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WINK-START

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⎜ Y (EDSL)

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OUT

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Note 4

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DMI-MOS

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Y (Note 8)

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IN

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GS

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⎜Y (Note 8)

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IN

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E&M

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IMMED-START

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IMMED-START

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Y (Note 8)

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IN

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E&M

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WINK-START

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WINK-START

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_

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⎜Y (Note 8)

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IN

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LS

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⎜ Y (EDSL)

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IN

Note 4

DMI-MOS

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Notes:

5.Trunk supervision may be a digital implementation (DMI-MOS) of the default type or any of the available "OPTIONAL" types.

6.For 5ESS CO connections, the trunk class should be PFLASH. The direction, supervision, and signaling should be optioned as indicated. Addressing should match on an IN and OUT basis. That is to say, incoming addressing on one end should match outgoing on the other end and vice-versa. The CO trunk group should be administered so as to provide Cut-Through Mode of Operation.

7.Trunk class may be either PF or PFLASH.

8.Trunk class should be PFLASH.