Nortel DMS 100 Series Maintenance Manual page 100

4-10 RSC-M Signaling and Communications
Table 4-1 CAS incoming signals (Sheet 2 of 2)
Status
clear back
re-answer
call re-established
clear forward
disconnect clear
blocking
Note 1: The calling subscriber line does not requires a signal before it is allowed
to send digits.
Note 2:
Note 3: The disconnect clear signal is nominally 480 ms followed by an idle code
(1101) sent to the AMC node. The idle code is a response to the called subscriber
time-out expiration, or in response to a clear forward. No outgoing call routes to
the line until an idle code is received again.
Table 4-2 CAS outgoing signals (Sheet 1 of 2)
Status
idle
call arrival
ringing
silence
call established
clear back
re-answer
call re-established
Note 1:
using the ringing and silence signals. Following the answer, to reach the talking
phase apply 0101 to the AMC node.
Note 2:
a clear forward. The line is not reused until an idle code is received from the AMC.
297-8223-550 Standard 04.02 November 2000
Received by DMS from
AMC
0101
0101
0101
1101
1101
Digit signals can be either DTMF or DP loop-disconnect.
Received by DMS from
AMC
1101
1101
1101
0101
1101
0101
0101
Ringing cadence applies to the AMC. The ringing cadence is setup
To clear a call, a disconnect clear signal is sent for 480 ms followed by
Transmitted by DMS to
AMC
1101
0101
0101
0001. Refer to note 3.
1111
Transmitted by DMS to
AMC
1101
1011. Refer to note 1.
1001
0101
0101
0101
0101