ECMA/TR 68 : 1ED 94

1 Scope
2 References
3 Make Call Scenarios
   3.1 Successful Make Call
   3.2 Successful manual Call (Off-hook dialling)
   3.3 Make Call meets Called Party Busy
   3.4 Make Call meets Calling Party Busy
   3.5 Make Call meets no answer
   3.6 Make Call to an invalid number
        3.6.1 Make Call to an invalid number - User
              already off-hook
   3.7 Make Call encounters Privilege Violation on
        Calling Device
        3.7.1 Make Call encounters Privilege Violation
              on Calling Device - User off-hook
        3.7.2 Make Call encounters Privilege Violation
              on Called Device
        3.7.3 Make Call encounters Privilege Violation
              on Called Device - User off-hook
   3.8 Offnode Make Call (Networked reached)
   3.9 Make Call while listening to Dial tone
        3.10 Make Call Hands-free operation
        3.11 Successful manual Offnode Call ("Overlap"
             off-hook dialling)
4 Successful ISDN ("En-bloc") Call
5 Call Release Scenarios
   5.1 Call Release
   5.2 The CSTA Blocked Call State
6 Consultation Calls
   6.1 Successful Consultation Call
   6.2 Consultation Call Rejected
   6.3 Consulted party busy
   6.4 Consulted party clears - consulting party
        receives dial tone
   6.5 Held party clears
7 Successful Alternate Call
8 Transfers
   8.1 Successful Supervised Transfer
   8.2 Successful Unsupervised Transfer
   8.3 Single Step Transfer
   8.4 Transfer on Busy
9 Conference Calls
   9.1 Conference Call Service
   9.2 Multiple Party (Meet Me) Conference
   9.3 Single Step Conference
10 Divert Deflection Service
11 Call Completion Service
12 A Manually Invoked Call Park
13 Route Services
   13.1 Route Request Service
   13.2 Route Used Service
   13.3 Re-Route Service
14 Incoming Calls
   14.1 Successful incoming Call
   14.2 Incoming call to ACD with no available agents

Defines how the services offered by CSTA are intended to be used by application developers and switch manufacturers. The descriptions are based upon a range of call scenarios.