Integrated Service Digital Network (ISDN) Stack

Description: OpenSS7 ISDN Stack Design Documentation.

The figure below provides a map to the components and interface specifications of the Integrated Services Digital Network (ISDN) Stack. Click on a component or interface to see the reference information and design information related to the component or interface.

Components

• ISDN Stack Manager
• ISDN Q.931 Call Control
• IDLC Call Control
• DPNSS/DASS Call Control
• Frame Relay Network Service Provider
• ISO Network Service Provider
• ISDN Q.921 (LAPD) Data Link
• V5.2/GR-303 Data Link
• DPNSS/DASS Data Link
• ISDN Q.922 (LAPF) Data Link
• X.25 (LAPB) Data Link
• High-Level Data Link Control (HDLC)

Interfaces

• Local Management Interface
• ISDN Q.931 Call Control Interface
• IDLC Call Control Interface
• DPN/ASS Call Control Interface
• Frame Relay Network Provider Interface
• X.213 Network Provider Interface
• LAPD Data Link Provider Interface
• V5.2/GR-303 Data Link Provider Interface
• DPNSS/DASS Data Link Provider Interface
• LAPF Data Link Provider Interface
• LAPB Data Link Provider Interface
• HDLC Communication Device Interface

ISDN Stack Components

Component	Status	Reference	Interface Specs	Design Docs		Man Page	Code
ISDN ISDN Q.931 (ISDN)	status	refs	cci_isdn(7)	html	pdf	isdn(4)	code
IDLC GR-303 (IDLC)	status	refs	cci_idlc(7)	html	pdf	idlc(4)	code
DPNSS DPNSS1/DASS2 (DPNSS)	status	refs	cci_dpnss(7)	html	pdf	dpnss(4)	code
FR ISDN Q.933 (Frame Relay)	status	refs	npi_q933(7)	html	pdf	q933(4)	code
NSP X.213 (NSP)	status	refs	npi_x213(7)	html	pdf	x213(4)	code
LAPD ISDN Q.921 (LAPD)	status	refs	dlpi_lapd(7)	html	pdf	lapd(4)	code
GR-303 GR-303 Data Link	status	refs	dlpi_gr303(7)	html	pdf	gr303(4)	code
V5.2 V5.2 Data Link	status	refs	dlpi_v52(7)	html	pdf	v52(4)	code
LAPF ISDN Q.922 (LAPF)	status	refs	dlpi_lapf(7)	html	pdf	lapf(4)	code
LAPB X.25 (LAPB)	status	refs	dlpi_lapb(7)	html	pdf	lapb(4)	code
HDLC	status	refs	cdi_hdlc(7)	html	pdf	hdlc(4)	code

ISDN Stack Interfaces

Interface	Reference (PDF)	Specification Document		Manual Page	Browse Header Files
Call Control Interface (CCI)	cci.pdf 1.4M bytes	html	cci.pdf 1.4M bytes	cci(7)	cci.h cci_isdn.h cci_idlc.h
Network Provider Interface (NPI)	npi.pdf 310k bytes	html	npi.pdf 310k bytes	npi(7)	npi.h npi_q933.h
Data Link Provider Interface (DLPI)	dlpi.pdf ??? bytes	html	dlpi.pdf ??? bytes	dlpi(7)	dlpi.h dlpi_lapd.h dlpi_lapf.h dlpi_lapb.h dlpi_v5.h dlpi_gr303.h dlpi_dass.h
Communications Device Interface (CDI)	cdi-api.pdf 327k bytes	html	pdf	cdi(7)	cdi.h cdi_hdlc.h hdlc_ioctl.h
Local Management Interface (LMI)	pdf	html	pdf	lmi(7)	lmi.h lmi_ioctl.h