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channel

Specifies the channel to
be used.

NO_BCHAN – No B channel

ANY_BCHAN – Any
B channel

DCHAN_IND – Non circuit
switched

channel mode

Specifies the channel
mode to be used for the
B channel, if a B channel
is specified in the channel
field.

PREFERRED – B channel
preferred

EXCLUSIVE – B channel
exclusive

rfu

Reserved for future use

Not used

The DCHAN_CFG data structure contains D-channel configuration block
information. The D-channel configuration block sets the configuration of the
Digital Subscriber Loop (DSL) for BRI applications. The D-channel is configured
using the cc_SetDChanCfg( ) function.

The structure is defined as follows:

typedef struct {

byte

layer2_access;

/* Layer 2 or full stack */

byte

switch_type;

/* Layer 3 switch type */

byte

switch_side;

/* Network or User side */

byte

number_of_endpoints;

/* # of logical data links */

byte

feature_controlA;

/* Firmware feature mask A */

byte

feature_controlB;

/* Firmware feature mask B */

byte

rfu_1;

/* Reserved for future use */

byte

rfu_2;

/* Reserved for future use */

struct {

byte

tei_assignment;

/* Auto assignment or Fixed TEI terminal */

byte

fixed_tei_value;

/* TEI value if Fixed TEI terminal */

union {

struct {

byte

auto_init_flag;

/* Auto initializing term or not */

byte

SPID[MAX_SPID_SIZE];

/* SPID for terminal, NULL