ITU Q.722:1988
ITU Q.722:1988 General Function Of Telephone Messages And Signals
Table of Contents
1Telephonesignallingmessages1.1Forwardaddressmessagegroup
1.2Forwardset-upmessagegroup
1.3Backwardset-uprequestmessagegroup
1.4Successfulbackwardset-upinformationmessage
group
1.5Unsuccessfulbackwardset-upinformation
messagegroup
1.6Callsupervisionmessagegroup
1.7Circuitsupervisionmessagegroup
1.8Circuitgroupsupervisionmessagegroup
1.9Circuitnetworkmanagementmessagegroup
2Serviceinformation
2.1Serviceindicator
2.2Networkindicator
3Signallinginformation
3.1Labelcomponents
3.2Messageformatidentifiers
3.3Forwardset-uptelephonesignals
3.4Backwardset-uptelephonesignals
3.5Callsupervisionsignals
3.6Circuitsupervisionsignals
3.7Circuitgroupsupervisionmessages
3.8Automaticcongestioncontrolsignals
References