Welltech SPCI2S Intel NetStructure SS7 Boards - Manual (Page 75)

SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2 Page 75
5.4 MTP Interface Messages
5.4.1 MTP Link Activation Request
Synopsis:
Primitive request sent to MTP3 module to activate an SS7 signalling link.
Message Format:
MESSAGE HEADER
FIELD NAME MEANING
type MTP_MSG_ACT_SL (0xc30a)
id linkset_id * 256 + link_ref
src
Sending Module ID
dst MTP_TASK_ID
rsp_req
used to request a confirmation
hclass 0
status 0
err_info 0
len 0
Description:
This message is issued to the level 3 module to cause a signalling link to be
activated in accordance with the procedures in Q.704.
The confirmation message (if requested) will indicate success by a status of 0.
This implies that the request for link activation has been received by MTP3 and
that activation has commenced.
Note: Receipt of the confirmation message does NOT imply that the link is
available for signalling, only that the activation procedure has commenced.
Parameter Description:
linkset_id The link set identifier
Identifies the link set in which the link is to be activated.
link_ref The link reference
Identifies which link in the link set is to be activated.