B.1 itu-t messages, Itu-t messages – Welltech Dialogic SS7 Protocols ISUP User Manual
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SS7 Protocols ISUP Programmer's Manual Issue 15
183
Appendix B: Messages Currently Supported by the
ISUP Module
B.1 ITU-T
Messages
Message Type
Q.763 (1992 and later)
Message expected by ISUP
module
Message generated by
ISUP module
Address complete
YES
YES
Answer YES
YES
Application transport
YES
YES
Blocking YES
YES
Blocking acknowledgement
YES
YES
Call modification completed
NO (Discarded if received)
NO
Call modification request
NO (Discarded if received)
NO
Call modification reject
NO (Discarded if received)
NO
Call progress
YES
YES
Collection Charge
YES
YES
Circuit group blocking
YES
YES
Circuit group blocking acknowledgement
YES
YES
Circuit group query
YES
YES
Circuit group query response
YES
YES
Circuit group reset
YES
YES
Circuit group reset acknowledgement
YES
YES
Circuit group unblocking
YES
YES
Circuit group unblocking acknowledgement
YES
YES
Charge information
YES
YES
Confusion YES
YES
(optionally)
Connect YES
YES
Continuity YES
YES
Continuity check request
YES
YES
Delayed release
NO (Discarded if received)
NO
Facility YES
YES
Facility accepted
YES
YES
Facility reject
YES
YES
Facility request
YES
YES
Forward transfer
YES
YES
Identification request
YES
YES