Section 470 - TSAPI Programmer’s Guide
10
Issued April 2000
DBS-92-470
•
INVALID_CSTA_CONNECTION_IDENTIFIER (13)
The connection identifier contained in the request is invalid or does not correspond to
a station.
•
NO_ACTIVE_CALL (24)
The party to be put on hold is not currently active (e.g., in alerting state) so it cannot
be put on hold.
•
RESOURCE_OUT_OF_SERVICE (34)
The DBS is off-line.
•
OUTSTANDING_REQUEST_LIMIT_EXCEEDED (44)
The application has too many outstanding CSTA requests.
•
GENERIC_UNSPECIFIED (0)
Internal driver error.
Notes:
•
Held State
- If the party is already on hold on the specified call when the switch
receives the request, a positive request acknowledgment is returned.
•
Music on Hold
- Music on Hold (if administered and available) will be given to a
trunk party placed on hold from the other end either manually or via the Hold Call
Service.
•
Internal hold tones
- Internal hold tones (if administered) will be given to a trunk
party placed on hold from the other end either manually or via the Hold Call Service.
•
Switch Operation
- After a party is placed on hold through a Hold Call Service
request, the user will receive dial tone. Subsequent calls can be placed directly or
through the Make Call Service request.
Make Call Service
The Make Call Service originates a call between two devices designated by the application.
When the service is initiated, a call to the
calledDevice
(D2) is originated. A call is estab-
lished as if D1 had called D2, and the client is returned with the connection
newCall
(C1-
D1).
Function: cstaMakeCall(), CSTAMakeCallConfEvent
Direction: C
→
S
Private Parameters: destRoute, userInfo
Functional Description:
The Make Call Service originates a call between two devices. The service attempts to cre-
ate a new call and establish a connection with the originating device (
callingDevice
). The
Make Call Service also provides a connection identifier (
newCall)
that indicates the con-
nection of the originating device in the
CSTAMakeCallConfEvent
.
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