Specifications
4 Message Reference
86
4.6.5 SS7_MSG_R_STATE - Read Link State Request (Q.SAAL)
Synopsis
Message sent to Q.SAAL to retrieve current per link state in the same format as MTP2
Format
MESSAGE HEADER
Field Name
Meaning
type
SS7_MSG_R_STATE (0x6215)
id
Link ID
src
User Module ID
dst
QSL_TASK_ID
rsp_req
Used to request a confirmation
hclass
0
status
0
err_info
0
len
6
PARAMETER AREA
Offset
Size
Name
0
1
lsc_state
1
1
cong_status
2
2
num_msgs
4
2
num_rtx_msgs
Description
This message is issued to the Q.SAAL module to read the current internal state of the
link and the number of MSU's currently buffered. The results are written into the
parameter area of the message and the message is returned to the sender.
Parameters
lsc_state
Current Link State control state
cong_status
Current congestion status
Value
Mnemonic
Description
1
IN_SERVICE
IN SERVICE state
2
OUT_SERVICE
OUT OF SERVICE state
3
INIT_ALIGN
INITIAL ALIGNMENT state
num_msgs
Total number of buffered MSU's