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SIGnalling TRANSport (SIGTRAN) Stack

Description: OpenSS7 SIGTRAN Stack Design Documentation.

The figure below provides a map to the interface specifications and componetns of the SS7 over IP stack. Click on an interface or a component to see the reference specification and design information related to the component or interface.

OpenSS7 SIGTRAN Stack Interfaces SS7 Layer Manager Design Layer Management Interface (LMI) Application Interface (API) Application Design BICC Interface (BICCI) ISUP Interface (ISUPI) TCAP Interface (TCAPI) BUA Design ISUA Design TUA Design SCCP Interface (SCCPI) SUA Design MTP Interface (MTPI) M3UA Design M2UA Design Signalling Link Interface (SLI)

Components

Interfaces

SS7 over IP (SIGTRAN) Stack Components

Component Status Reference Interface
Specs
Design
Docs
Manual
Page
Code Test
Results
BUA
SS7 BICC-User Adaptation Layer
status refs bicci(7)
cci_bicc(7)
html pdf bua(4) code html pdf
ISUA
SS7 ISUP-User Adaptation Layer
status refs isupi(7)
cci_isup(7)
html pdf isua(4) code html pdf
TUA
SS7 TCAP-User Adaptation Layer
status refs tcapi(7)
tpi_tcap(7)
xti_tcap(3)
tcap_socket(7)
html pdf tua(4) code html pdf
SUA
SS7 SCCP-User Adaptation Layer
status refs sccpi(7)
npi_sccp(7)
tpi_sccp(7)
xti_sccp(3)
sccp_socket(7)
html pdf sua(4) code html pdf
M3UA
SS7 MTP3-User Adaptation Layer
status refs mtpi(7)
npi_mtp(7)
tpi_mtp(7)
xti_mtp(3)
mtp_socket(7)
html pdf m3ua(4) code html pdf
M2UA
SS7 MTP2-User Adaptation Layer
status refs sli(7)
html pdf m2ua(4) code html pdf

Note that the M2PA (SS7 MTP2-User Peer-to-peer Adataption Layer) is considered as a pseudo device driver. For more information on M2PA design see "SS7 Device Design."

TALI Components

Component Status Reference Interface
Specs
Design
Docs
Manual
Page
Code Test
Results
TALI
Tekelec Adaptation Layer Interface
status refs mtpi(7)
npi_mtp(7)
tpi_mtp(7)
xti_mtp(3)
mtp_socket(7)
sccpi(7)
npi_sccp(7)
tpi_sccp(7)
xti_sccp(3)
sccp_socket(7)
html pdf tali(4) code html pdf

SS7 over IP (SIGTRAN) Interface Specifications

With the exception of the SDLI and SDTI (which are driver level interfaces for the SS7 Stack), the SIGTRAN stack uses the same set of interface specifications which are used by SS7 components in the OpenSS7 stack. This permits SIGTRAN UA components to be placed between SS7 stack components without the knowledge of either the upper or lower components. SS7 modules and application run as they would in a stand-alone SS7 stack.

Following is a table listing the pertinent SS7 level interfaces and the primary reference, specifications documentation and header files at each level:

Interface Reference
(PDF)
Specification
Document
Manual
Page
Header
Files
SLI
Signalling Link Interface
cdi-api.pdf html pdf sli(7) sli.h
sli_ioctl.h
SLSI
Signalling Link Set Interface
cdi-api.pdf html pdf slsi(7)
slsi.h
slsi_ioctl.h
MTPI
Message Transfer Part Interface
npi.pdf html pdf mtpi(7)
mtpi.h
mtpi_ioctl.h
SCCPI
Signalling Connection Control Part Interface
npi.pdf html pdf sccpi(7)
sccpi.h
sccpi_ioctl.h
TRI
TCAP TR-User Interface
tpi.pdf html pdf tcapi(7)
tri.h
tri_ioctl.h
TCI
TCAP TC-User Interface
tpi.pdf html pdf tcapi(7)
tci.h
tci_ioctl.h
ISUPI
ISDN User Part Interface
cci.pdf html pdf isupi(7)
isupi.h
isupi_ioctl.h
BICCI
BICC User Interface
cci.pdf html pdf bicci(7)
bicci.h
bicci_ioctl.h
CCI
Call Control Interface
cci.pdf html cci.pdf cci(7) cci.h
cci_isup.h
cci_bicc.h
TPI
Transport Provider Interface
tpi.pdf html tpi.pdf tpi(7) tpi.h
tpi_mtp.h
tpi_sccp.h
tpi_tcap.h
XTI
X/Open Transport Interface
pdf html pdf xti(3) xti.h
xti_mtp.h
xti_sccp.h
xti_tcap.h
NPI
Network Provider Interface
npi.pdf html npi.pdf npi(7) npi.h
npi_mtp.h
npi_sccp.h
XNS
Sockets Interface
pdf html pdf sockets(3) socket.h
mtp.h
sccp.h
tcap.h
Last modified: Thu, 30 Nov 2006 15:39:18 GMT  
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