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isdnReason(D4isdn)


isdnReason -- ISDN disconnect physical channel reason codes

Synopsis

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

typedef isdnWord_t isdnReason_t;

Description

The isdnReason parameter provides error information to the application regarding the clearing of a physical connection.

This type is used by

ISDN_DISCONNECT.ISDN_IND(D7isdn)

Parameters

The following disconnect reason codes are valid:

ISDN_REASON_OK
0x0000: normal clearing, no cause available

ISDN_REASON_L1PERR
0x3301: protocol error layer 1

ISDN_REASON_L2PERR
0x3302: protocol error layer 2

ISDN_REASON_L3PERR
0x3303: protocol error layer 3

ISDN_REASON_APPANS
0x3304: another application got that call; see ISDN_LISTEN.ISDN_REQ(D7isdn)

ISDN_REASON_NET
0x3400: disconnect cause from the network

ISDN_REASON_NETMASK
0x00ff: cause information element (octet 4) within ISDN_REASON_NET received from the network according to Q.931

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