Nortel Meridian 1 Planning And Installation Manual page 414

Appendix A – General information for the United Kingdom
Mercury DDI Connections
In/out calls
Prompt
IDLE (S)
IDLE (R)
FALT (S)
FALT (R)
Incoming calls
Prompt
SEZ (R)
SEZA (S)
PDIGT (R)
CONN (S)
CONN (R)
CLRF (R)
CLRB (S)
Response Description
1101 Idle
1101 Idle
1111 Fault
1111 Fault
Response Description
0101 Seize for voice or data calls from a
non-SL-1
1101 Seize acknowledgment
PXXX ("N" if Decadic pulses
using DTMF
signaling)
0101 Connect
0101 Connect
0001 or 1101 Clear forward
(depends on
location,
whether a
disconnect
clear signal is
offered by the
public
exchange)
1101 Clear back
Option 11C Mini
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Planning and Installation Guide