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isdnNCCI(D4isdn)


isdnNCCI -- ISDN Network Control Connection Information structure

Synopsis

   #include <sys/types.h>
   #include <sys/scoisdn.h>
   

typedef isdnDword_t isdnNCCI_t;

Description

The isdnNCCI parameter identifies a logical connection. The NCCI (Network Control Connection Information) is given by the ISDN driver during the creation of a logical connection. Depending on the layer 3 protocol selection (for example, ISO8208), it is possible to have multiple NCCIs based on one PLCIs (Physical Link Connection Identifier).

The format for isdnNCCI is:

       NCCI           PLCI      Ex./ Int.   Controller
31                    16 8 7 6                   0

 |          NCCI           |    PLCI    |   Ex./ Int.   |      Controller       |
  31                    16            8         7         6                   0

This type is used by:

ISDN_CONNECT_B3.ISDN_IND(D7isdn)
ISDN_CONNECT_B3.ISDN_RESP(D7isdn)
ISDN_CONNECT_B3_ACTIVE.ISDN_IND(D7isdn)
ISDN_CONNECT_B3_ACTIVE.ISDN_RESP(D7isdn)
ISDN_CONNECT_B3_T90_ACTIVE.ISDN_IND(D7isdn)
ISDN_CONNECT_B3_T90_ACTIVE.ISDN_RESP(D7isdn)
ISDN_DISCONNECT_B3.ISDN_REQ(D7isdn)
ISDN_DISCONNECT_B3.ISDN_CONF(D7isdn)
ISDN_DISCONNECT_B3.ISDN_IND(D7isdn)
ISDN_DISCONNECT_B3.ISDN_RESP(D7isdn)
ISDN_DATA_B3.ISDN_REQ(D7isdn)
ISDN_DATA_B3.ISDN_CONF(D7isdn)
ISDN_DATA_B3.ISDN_IND(D7isdn)
ISDN_DATA_B3.ISDN_RESP(D7isdn)
ISDN_RESET_B3.ISDN_REQ(D7isdn)
ISDN_RESET_B3.ISDN_CONF(D7isdn)
ISDN_RESET_B3.ISDN_IND(D7isdn)
ISDN_RESET_B3.ISDN_RESP(D7isdn)

Bitfields

The following bitfields are supported:


ISDN_NCCIMSK_NCCI
0xffff0000: NCCI

ISDN_NCCIMSK_PLCI
0x0000ff00: PLCI

ISDN_NCCIMSK_EXT
0x00000080: 1=External, 0=Internal

ISDN_NCCIMSK_CTLR
0x0000007f: controller

References

Intro(D4isdn), Intro(D7isdn)

``SCO ISDN adapter drivers'' in Developing MDI network adapter drivers.


19 June 2005
© 2005 The SCO Group, Inc. All rights reserved.
OpenServer 6 and UnixWare (SVR5) HDK - June 2005