Call Scenarios and Applications
|
| Public |
Host | DEFINITY ECS | Network |
| Call SETUP message |
|
| (No CPN) |
|
| (No |
|
| FACility message |
|
| (NSF = CPN preferred) |
|
| FACility ACK |
|
| (CPN = 908 555 5678) |
|
|
| |
Call Offered Event |
| |
(CPN = 908 555 1234) |
| |
|
| |
(Domain = Split 1) |
| |
Queued Event |
|
|
(Domain = Split 1) |
| |
(No |
|
|
. . . | . . . |
|
Alerting Event |
|
|
(CPN = 908 555 1234) |
| |
|
| |
(Domain = Split 1) |
| |
Connected Event | CONNect message |
|
(CPN = 908 555 1234) |
| |
|
| |
| CONNect ACK message |
|
Drop Event | DISConnect message |
|
(No |
|
|
Comment
Call placed to Split 1.
DEFINITY ECS requests CPN, or BN
if CPN not available.
Public Network provides CPN and
Call offered to Split 1.
Call waits in queue.
Another call drops, making an agent available.
Call rings at agent.
Agent answers.
Network ACKs CONNect message.
Calling Party Drops
The second scenario is similar to the first, except that the CPN/BN (and thus the
Issue 7 March 1998