Isdn layer statuses – 2N StarGate/BlueTower v5.2 User Manual
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ISDN Layer Statuses
ISDN Layer 1
Name
Description
DEACT
Deactivation – no signal received
ACTIVE
Activation – full synchronisation
achieved (frame,multiframe,crc)
SIGNAL
Signal received – no synchronisation
SYNC
Signal received – only partial
synchronisation (frame)
ISDN Layer 2
Name
Name According to Q.921
NOTEI
TEI Unassigned
AWTEI
Assigned Awaiting TEI
AWTEST Establish Awaiting TEI
OKTEI
TEI Assigned
AWEST
Awaiting Establishment
AWREL
Awaiting Release
OKEST
Multiple Frame Established
TIMREC
Timer Recovery
ISDN Layer 3
Name
Name According to Q.931
NT Description
TE
Description
NULL
Null
Rest status, ready
for call
CINIT
Call Initiated
Call from PRI
indicated
Call to PRI
started
OVSEND Overlap Sending
Gradual dialling
receiving
Gradual dialling
sending
OPROC
Outgoing Call Proceeding
Dialling from PRI
terminated
Dialling to PRI
terminated
CDELIV
Call Delivered
Call from PRI
ringing
Call to PRI
ringing
CPRES
Call Present
Call to PRI started
Call from PRI
indicated
CRECV
Call Received
Call to PRI ringing
Call from PRI
ringing
CONREQ Connect Request
Call to PRI
answered
Call from PRI
answered
IPROC
Incoming Call Proceeding
Dialling to PRI
terminated
Dialling
from PRI
terminated