The ISDN_PROTOCOL_PARMS_LAPD structure contains parameters that configure the ISDN protocol stack for LAPD. Either this structure or ISDN_PROTOCOL_PARMS_Q931CC is passed to isdnStartProtocol, depending upon how the ISDN protocol stack is configured.
For more information, refer to Initializing ISDN protocol stack instances. For a definition of the data structure, refer to ISDN_PROTOCOL_PARMS_LAPD structure.
Type |
Parameter |
Description |
Default value |
Range of values |
---|---|---|---|---|
DWORD |
size |
Size of the structure. |
None. |
|
WORD |
rate |
Data rate. |
ISDN_RATE_64K |
ISDN_RATE_64K, ISDN_RATE_56K |
WORD |
max_FEC_errors |
Maximum number of framing errors allowed during the T198 interval. |
20 |
0 or more ms |
timer_val_t |
t101 |
Milliseconds of bad framing before disabling sending of D channel packets. |
750 |
0 or more ms |
timer_val_t |
t102 |
Milliseconds of good framing before enabling sending D channel packets. |
50 |
0 or more ms |
timer_val_t |
t198 |
Observation period for frame error count. |
5 |
0 or more seconds |
WORD |
tei_time_assignment |
TEI time assignment. |
0 |
(reserved) |
WORD |
tei_time_removal |
TEI time removal. |
0 |
(reserved) |
BYTE |
bpad1[2] |
Padding for 8 byte alignment. |
0 |
0 |
WORD |
nfas_group |
NFAS group number if duplicate NAI values. |
0 |
ON or OFF |