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Field Description
the network side to establish the logical link if requested.
• DATA_LINK_DISABLED - the firmware will attempt to release
the logical link if it is currently established. The firmware will
not allow the network side to establish the logical link if
requested.
protocol The protocol to be used on this logical link. For instance:
• DATA_LINK_PROTOCOL_Q931 - indicates that the link is to
be used as an ISDN connection-oriented logical link.
• DATA_LINK_PROTOCOL_X25 - indicates that the link is to be
used as an X.25 packet-switched link.
6.6. IE_BLK
The IE_BLK structure contains information elements (IEs) to be sent to the
network using the cc_SndMsg( ) or cc_SetInfoElem( ) function, or the
information elements to be retrieved using the cc_GetInfoElem( )
cc_GetSigInfo( ) function.
The structure is defined as follows:
#define MAXLEN_IEDATA 254
typedef struct
{
short length;
char data[MAXLEN_IEDATA];
} IE_BLK, *IE_BLK_PTR;
Table 35. IE_BLK Field Descriptions
Field Description
length The total bytes in the data field.
data This field contains the information element(s) to be sent.