AT&T DEFINITY 2500 series Network Manual page 262

C-22
TRUNKING TERMS AND CAPABILITIES
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FOR EACH "SWITCH A" TRUNKING OPTION (LISTED BELOW) — REFER TO THE
CORRESPONDING RECOMMENDED "SWITCH B" TRUNK OPTIONS (RIGHT FACING PAGE).
GROUP/CALL TYPE DIREC-
GENERIC 2,
SYSTEM 85, OR
DIMENSION PBX
26/WATS
27/WATS
(DOD or
TSPS Access)
28/WATS-DOD
30/DID
31/DID
32/TIE
33/TIE
34/TIE
Notes:
12. This trunk type and optional signaling arrangement may be used to build a "Special Access" trunk group. This trunk group and
signaling arrangement may function to provide trunking facilities for MEGACOM and SDN Services. Dependent upon trunk
type selection at the 4 ESS toll switch, wither DTMF or MF signaling hardware must be equipped.
SWITCH A
SUPERVISION
TION
GS LS RB E&M
IN
D-1
19
OUT
D-1
19
OUT
D-2
IN
30
IN
D-3
IN
D-4
OUT
27
OUT
D-4
1
ISDN INCOMING
"ALERTING"
28 AUTO
29 AUTO
20 DMI-MOS
28
29
20
IMMED-START
4 IMMED-START
20 DMI-MOS
WINK-START
11 WINK-START
20 DMI-MOS
IMMED-START
(DIAL-REPEATING)
31
SIGNALING
OUTGOING TIMEOUT
"ADDRESSING" (NOTE 3)
(NOTE 4)
(NOTE 5)
DIAL-TONE
IMMED-START
WINK-START (NOTE 12)
DMI-MOS (NOTE 5)
DIAL-TONE (NOTE 9)
(NOTE 5)
(NOTE 5)
IMMED-START
(AUTOMATIC)
ANALOG LINE
IMMED-START
(DIAL-REPEATING)
GRD START