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A2195-10
DIRECT DIGITAL INTERFACE (DDI)
PROGRAMMING
24-DTI Assignment
DESCRIPTION DATA
Assign trunk route data to each DTI route. •
(1)
(2)
Y=00 Kind of Trunk Route
00-63: Trunk Route No.
00: DDD (C.O./DID) trunk
04: Tie Line trunk
•
(1)
(2)
Y=01 Dialing Signal Type
00-63: Trunk Route No.
Incoming
Outgoing
2 : DP (10 PPS) DP (10 PPS)
3 : DP (10/20 PPS) DP (20 PPS)
4 : DTMF DTMF
7 : DP/DTMF DTMF
•
(1)
(2)
Y=04 Answer Signal from distant office
00-63: Trunk Route No.
2 : Answer Signal arrives
7 : Answer Signal does not arrive
•
(1)
(2)
Y=05 Release Signal from distant of-
fice
00-63: Trunk Route No.
0 : Release Signal does not arrive
(Loop Start C.O. w/o Release Sig-
nal)
1 : Release Signal arrives
(Ground Start/Loop Start with Re-
lease Signal)
•
(1)
(2)
Y=09 Incoming Connection Signaling
00-63: Trunk Route No.
01 : Ring Down (Ground Start C.O.)
15 : Ring Down (Loop Start C.O.)
•
(1)
(2)
Y=20 Sender Start Condition
00-63: Trunk Route No.
02 : Ground Start
15 : Timing Start (Loop Start)
CM35
C
D
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