Welltech Dialogic SS7 Protocols ISUP - Manual (Page 142)

Section 8 Non-Primitive Interface
142
8.6 Custom Parameter Configuration
This message allows proprietary parameters to be added and removed from
an ISUP message.
Message Header
structure MSG
type ISP_MSG_CUSTPARAM (0x5713)
id cust_variant
src Originating module ID
dst ISUP module ID
rsp_req Sending layer's bit set if confirmation required
hclass 0x00
status 0x00
err_info 0x00
len 32
Parameter Area
offset 0, size 1: version – should be set to zero
offset 1, size 1: operation
offset 2, size 1: message type
offset 3, size 5: Reserved for future use – set to zero.
parameters
offset 8, size 24: parameter types
ISUP Response
method By returning the message to the sender
type 0x1713
SUCCESS
ISP_BAD_ID
status
ISPE_BAD_PARAM
Parameters
version
The version of the Custom Parameter Configuration message
cust_variant
The name of custom ISUP protocol variant (refer to variants 0xfd and 0xfe in
the ‘variant’ field in Section 8.2 on page 126 .