3.2 Messages for packet mode connection control

Recommendation Q.931 (03/93)

Table 3-22 summarizes the messages for packet-mode access connection control. The message tables in this subclause should be used for Case B (packet switched access to an ISDN virtual circuit service) as defined in clause 6. For Case A (circuit switched access to PSPDN services) the message tables in 3.1 should be used.

Table 3-22/Q.931

Messages for packet-mode access connection control

3.2.1 ALERTING

3.2.2 CALL PROCEEDING

3.2.3 CONNECT

3.2.4 CONNECT ACKNOWLEDGE

3.2.5 DISCONNECT

3.2.6 PROGRESS

3.2.7 RELEASE

3.2.8 RELEASE COMPLETE

3.2.9 SETUP

3.2.10 STATUS

3.2.11 STATUS ENQUIRY