2N StarGate/BlueTower v5.4 - Manual (Page 163)

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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