ACU_TRANSFER_RQ

This topic describes:

Purpose

Initiates the transfer of two calls. The first call is the call for which this message is sent, and the second call is identified by callid.

Conn_id

An allocated call.

ACU_TRANSFER_RQ protocol variants

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

Macro

4
E
S
S

E
1
0

N
I
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_transfer_status

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Acu_transfer_callid_present

 

 

TE

TE

TE

 

 

 

 

 

 

x

x

 

Acu_transfer_callid

 

 

TE

TE

TE

 

 

 

 

 

 

x

x

 

Acu_transfer_size

 

 

TE

TE

TE

 

 

 

 

 

 

x

x

 


ACU_TRANSFER_RQ macro descriptions and Q.931 IE

Macro

Description

Q.931 IE

Acu_transfer_status

This field is ignored for this message.

Does not map to an IE.

Acu_transfer_callid_present

A value of 1 indicates that the callid field contains valid information. If this is true, the callid will represent the second call. If the callid field does not contain valid information, the second call will be implicitly chosen (if allowed by the protocol variant).

Does not map to an IE.

Acu_transfer_callid

Information used to identify a call.

Facility

Acu_transfer_size

The size of the structure.

Does not map to an IE.