2N VoiceBlue MAX v1.2 - Manual (Page 94)

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GSM Layer 3
Name Description
NULL Rest status, ready for call
CINIT Request of call to GSM (from Layer 4)
OPROC Call to GSM is connected
CDELIV Call to GSM is ringing
CPRES Indication of call from GSM (from Layer 2)
CRECV Call from GSM is ringing on ISDN interface
IPROC Call from GSM is processed by ISDN interface
ACTIVE Connected call
DISREQ Disconnection request (to Layer 2)
DISIND Indication of disconnection (from Layer 2)
RELREQ Module release for another call (to Layer 2)
OVRECV Reading of DTMF dialling from GSM (from Layer 2)
RELIND Indication of module release (from Layer2)
Link Layer Statuses
Layer 4
Name Description
NULL Rest status, ready for call
MORE
Call request received from GSM or ISDN, awaiting further dialling or
timeout
SET–UP Call request sent to opposite interface
PROC Call request confirmed, awaiting call answer
ACTIVE Connected call
DISC Call disconnection in progress