The nccAnswerCall extended parameter structure for ISDN Software is shown:
typedef struct
{
DWORD size; /* Size of this structure */
BYTE ie_list[NCC_ISDN_MAX_IE_LIST]; /* additional information elements */
} ANSWERCALL_EXT;
nccAnswerCall generates an ALERTING message by default. The following table shows the fields in ANSWERCALL_EXT that are valid for each network variant:
ANSWERCALL_EXT field |
4 |
E |
N |
D |
E |
V |
H |
A |
N |
K |
T |
Q |
D |
T |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ie_list |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
x |
By changing the setting of the NCC.X.ADI_ISDN.START_EXT.flags parameter, nccAnswerCall sends a CALL PROCEEDING or PROGRESS message instead of the ALERTING message. No uui may be sent in this case.
The following table describes the field in the ANSWERCALL_EXT structure:
Field |
Description |
---|---|
ie_list |
Null-terminated array of additional Q.931 information elements. See Sending additional information elements for more information. |