Figure 6 supervisory signals (bell method), Additionally – Nortel Networks NN43001-106 User Manual
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412
Automatic Number Identification
Figure 6
Supervisory signals (Bell method)
Table 18
Called and calling number information format (Bell method)
Dial Pulse (DP) sending of called numbers
Calling number
Call type
Called number
Legend:
0+
0-
00+
00-
1+
CC
NN
ID
KP
ST
STP
ST2P
=
=
=
=
=
=
=
Operator-assisted call, more digits dialed
Operator-assisted call, no other digits dialed
Toll operator assisted call, and any other digits dialed
Toll operator assisted call, no other digits dialed
DDD call
Country code
National number
Information digit
Prepare for digits signal
End of pulsing
Premium
Identifier error
Nortel Communication Server 1000
Features and Services - Book 1 of 6 (A to B)
NN43001-106
01.04
Standard
Release 5.0
27 July 2007
Copyright © 2007, Nortel Networks
.