ACU_D_CHANNEL_STATUS_IN

This topic describes:

This message primitive can be returned when:

This message primitive must be sent to the ACU_SAPI_MGT SAPI, rather than the ACU_SAPI. To do so, specify ACU_SAPI_MGT in the to_sapi field in the outgoing ACU_MESSAGE structure.

Purpose

Indicates the status of the D channel.

Conn_id

An allocated call.

ACU_D_CHANNEL_STATUS_IN protocol variants

The following table lists the variants under which each macro is supported for this primitive. In this table, x indicates both NT and TE sides.

Macro

4
E
S
S

E
I
0

N
1
2

D
M
S

E
T
S
I

V
N
6

H
K
G

A
U
S
T
E
L
1

N
T
T

K
O
R
E
A

T
A
I
W
A
N

Q
S
I
G

D
P
N
S
S

T
1
6
0
7

Acu_d_channel_state

x

x

x

x

x

x

x

x

x

x

x

x

x

x

Acu_d_channel_nb

 

 

 

 

 

 

 

 

 

 

 

 

x

 


ACU_D_CHANNEL_STATUS_IN macro descriptions and Q.931 IE

Macro

Description

Q.931 IE

Acu_d_channel_state

State of D channel:

0: OFF

1: ON

Does not map to an IE.

Acu_d_channel_nb

Equivalent to B channel number (for DPNSS only).

Does not map to an IE.