AT&T DS1/DMi/ISDN-PRI Trunk Type and Signaling Type Compatibility Tables, Wats, Did, Tie, Etn

TRUNK TYPE AND SIGNALING TYPE COMPATIBILITY TABLES

D-3

Trunk Type

EQU

Feature

Direction

Default Signaling

EQU

A1

A2

A3

A4

Description

co_2wp

(20)

CO

2-way

ground_start_w_pt

(2)

2 way with party test

fx1wi

21

FX

1-way in

ground_start

1

28

29

19

20

1 way incoming

attendant

completing

(automatic

in)

fxlwo

22

FX

1-way out

ground_start

1

28

29

19

20

1 way outgoing dod

fxlwop

(23)

FX

1-way out

ground_start_w_pt

(2)

1 way out dod with

party test

fx_2w

24

FX

2-way

ground_start

1

28

29

19

20

2 way attendant

completing

in/dod

fx_2wp

(25)

FX

2-way

ground_start_w_pt

(2)

2 way with party test

wtlwi

26

WATS

1-way in

ground_start

1

28

29

19

20

1 way incoming

attendant completing

(automatic in)

wtlwo

27

WATS

1-way out

ground_start

1

28

29

19

20

1 way outgoing dod

wt1wop

(28)

WATS

1-way out

ground_start_w_pt

(2)

1 way out dod with

party test

wtlwa

29

WATS

1-way in

ground_start

1

automatic in-WATS (not

administered)

didis

30

DID

1-way in

loop_rev_battery_is

30

4

20

immediate start did

didws

31

DID

1-way in

loop_rev_battery_ws

3

11

20

wink start did

ttlidr

32

TIE

1-way in

em_is_in_is_out

4

1 way in dial repeating

ttloau

33

TIE

1-way out

em_is_in_auto_out

31

32

27

1 way out automatic

ttlodr

34

TIE

1-way out

em_is_in_is_out

4

1

1 way out dial

repeating

tt1iau

35

TIE

1-way in

em_auto_in_ws_out

28

1

1 way in automatic

tt2wdr

36

TIE

2-way

em_is_in_is_out

4

2 way dial repeating

both ways

tt2wda

37

TIE

2-way

em_is_in_auto_out

31

32

27

2 way dial repeating

in/auto out

tt2wad

38

TIE

2-way

em_auto_in_ws_out

28

1

2 way auto in/dial

repeating out

tt2wau

39

TIE

2-way

em_auto_in_auto_out

32

1

2 way auto both ways

tt1idr_d

40

ETN

1-way in

em_dd_in_is_out

8

1 way in dial

repeating-delay dial

tie2ddw

41

ETN

2-way

em_ws_in_wddfot_out

26

11

21

22

20

2-way,wink in/delay

dial or wink out

tieliw

42

ETN

1-way in

em_ws_in_wddfot_out

26

11

21

22

20

1-way in, wink

tieloddw

43

ETN

1-way out

em_ws_in_wddfot_out

26

11

21

22

20

1-way out, delay dial

or wink

tt2wdr_d

(44)

ETN

2-way

em_dd_in_is_out

8

2 way dial

repeating-delay dial in

tt2wda_d

(45)

ETN

2-way

em_dd_in_is_out

8

2 way dial repeating in/auto

out-delay dial in

tietm

46

ETN

2-way

em_is-in_wddfot_out

25

12

21

22

20

2-way delay-dial or wink

out/dial repeating

delay dial in

tt2wdd_d

47

ETN

2-way

em_dd_in_wddfot_out

24

23

21

22

20

two way delay dial

in/delay dial out or

wink out

ann_intintfc

48

NA

NA

no_signal_required

0

internal ann interface

ann_extintfc

49

NA

NA

no_signal_required

0

external ann interface

bcsacs

50

RA

1-way in

start

1

21

20

remote bcs access trunk

teldic

51

NA

NA

equipment

7

telephone

dictation

interface

recanc

52

NA

NA

equipment

7

recorded announcement

interface

codec

53

NA

NA

equipment

7

code call interface

spage

54

NA

NA

equipment

7

loudspeaker paging

interface