Lucent Technologies 555-230-220 manual Contents

Contents

Other Failure Conditions for
Switch-Classified Calls	4-19
2. User-Classified Call	4-19
Parameters for User-Classified Calls	4-19
Call Classification for User-Classified Calls	4-22
ECS Operation for User-Classified Call Setup	4-22
User-Classified Call Originator	4-22
User-Classified Call Destination	4-23
Negative Acknowledgement of a
User-Classified Call	4-23
3. Phantom Calls	4-24
Parameters for Phantom Calls	4-25
Call Classification for Phantom Calls	4-27
Phantom Call Originator	4-27
Phantom Call Destination	4-27
Negative Acknowledgment of a Phantom Call	4-28
4. Direct-Agent Call	4-28
Parameters for Direct-Agent Calls	4-29
Call Classification	4-31
ECS Operation for Direct-Agent Call Setup	4-31
Direct-Agent Call Originator	4-31
Direct-Agent Call Destination	4-32
Negative Acknowledgments of a
Direct-Agent Call	4-32
5. Supervisor-Assist Call	4-32
Supervisor-Assist Call Parameters	4-34
Supervisor-Assist Call Classification	4-36
ECS Operation for Supervisor-Assist Call Setup	4-36
Supervisor-Assist Call Originator	4-36
Supervisor-Assist Call Destination	4-36
Negative Acknowledgments of a
Supervisor-Assist Call	4-37
Parameters and Call Types	4-37
■ Third Party Take Control	4-39
Information Flow	4-39
Third Party Take Control Parameters	4-39
ACK (positive acknowledgement) Parameters	4-39
Denial NAK) Causes	4-41
Protocol Error (NAK) Cause	4-41
Considerations	4-42

x Issue 7 May 1998