Welltech Dialogic SS7 Protocols ISUP - Manual (Page 141)

Dialogic ® SS7 Protocols ISUP Programmer's Manual Issue 15
141
8.5 Variant Initialisation
This message is used to specify a custom variant to allowing proprietary
parameters to be sent and received.
Message Header
structure MSG
type ISP_MSG_SET_CUSTVAR (0x5712)
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 1
Parameter Area
parameters offset 0, size 1 base variant
ISUP Response
method By returning the message to the sender
type 0x1712
status SUCCESS
ISP_BAD_ID
ISPE_BAD_PARAM
Parameters
cust_variant
The name of custom ISUP protocol variant (refer to variants 0xfd and 0xfe in
the ‘variant’ field in Section : 8.2 Configure Circuit Group Request on page
126 ).
base variant
The variant on which the custom variant is based e.g. ITU, ANSI. The base
variant should be selected from the existing variants currently supported by
the ISUP module (refer to variants 0-9 in the ‘variant’ field in Section 8.2 on
page 126 ).