B.3 ansi t1.113 messages, Ansi t1.113 messages – Welltech Dialogic SS7 Protocols ISUP User Manual
Page 188
Appendix B: Messages Currently Supported by the ISUP Module
188
B.3
ANSI T1.113 Messages
Message Type ANSI T1.113.3
Message expected by ISUP
module
Message generated by
ISUP module
Address complete
YES
YES
Answer YES
YES
Blocking YES
YES
Blocking acknowledgement
YES
YES
Call progress
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
Circuit reservation
NO (Discarded if received)
NO
Circuit reservation acknowledgement
NO (Discarded if received)
NO
Circuit validation response NO
NO
Circuit validation test
NO
NO
Confusion YES
YES
(optionally)
Continuity YES
YES
Continuity check request
YES
YES
Exit YES
YES
Facility accepted
YES
YES
Facility reject
YES
YES
Facility request
YES
YES
Forward transfer
YES
YES
Information YES
YES
Information request
YES
YES
Initial address
YES
YES
Loop back acknowledgement
YES
YES
Pass-along YES
YES
Release YES
YES
Release complete
YES
YES
Reset circuit
YES
YES
Resume YES
YES
Suspend YES
YES