D-2
TRUNK TYPE AND SIGNALING TYPE COMPATIBILITY TABLES
DirectionDefault SignalingEQUA1 - A4DescriptionDefines if the trunk type is capable of both:
●
●
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Incoming and outgoing calls — 2-wayIncoming calls only — 1-way inOutgoing calls only — 1-way outThe default SIG_TYPE value for the trunk typeCOMPOOL EQU for default signaling typeValues in these columns (if any) are the COMPOOL EQUs for other validsignaling types for this trunk type; at present, no trunk has more than five totalvalid signaling types (see table D-4, Signaling Type Definitions, for definitions).A description of this trunk type. A signaling type or trunk type value enclosed inparenthesis such as (automatic in) is not valid on a universal module.TABLE D-1. Trunk/Signaling Cross References
Trunk Type
EQU Feature Direction Default Signaling EQU A1
A2
A3
A4 Description
incom
o
NA NA no_signal_required 0intercom
dp_dr
1
NA
NA
no_signal_required 0dial pulse digit
register
tt_dr 2NA NA no_signal_required
0
touch-tone digit
register
at_dr 3NA NA no_signal_required 0attendant digit
register
sloop
4
NA NA no_signal_required 0switched loop
6_way
(5)
NA NA no_signal_required 0attendant conference
q_trk
6
NA NA no_signal_required 0general purpose queuing
trunks
dtd_trk 7NA NA no_signal_required 0 dial tone detector trk
ccsa2wd_d
12
APLT
2-way em_dd_in_wdd_out_w_dt
92 way ccsa delay dial
in/out
ccsa1wo_d
13
APLT
2-way
em_ws_in_wdd_out_w_dt 10 2 way ccsa delay dial
out/wink in
ccsa2w_d
14
APLT 2-way em_dd_in_is_out 82 way ccsa dial tone
out/delay dial in
ccsa2w
15
APLT 2-way em_ws_in_is_out 52 way ccsa dial tone
out/wink in
co1wi
16
CO
1 -way in
ground_start 128 29
19
20 1 way incoming
attendant completing
(automatic in)
co1wo
17
CO 1-way out ground_start 1
28
29
19
20
1 way outgoing dod
colwop
(18)
CO 1-way out ground_start_w_pt (2) 1 way out dod with
party test
co_2w
19
CO 2-way ground_start 1
28
29 19 20 2 way attendant
completing in/dod