TAPI Line Device Functions
A version of this page is also available for
4/8/2010
The following table shows the TAPI 2.0 line device functions that are supported by Windows Embedded CE.
| Function | Description | Category | Asynchronous? |
|---|---|---|---|
Accepts the specified offered call. |
Call Accept and Redirect |
Yes |
|
Installs a new TSP into the telephony system. |
Service Provider Management |
No |
|
Adds the call that is specified by the hConsultCall parameter to the conference call that is specified by the hConfCal parameter. |
Call Conference |
Yes |
|
Answers the specified offering call. |
Answering Inbound Calls |
Yes |
|
Performs a blind or single-step transfer of the specified call to the specified destination address. |
Call Transfer |
Yes |
|
Is a placeholder for the application-supplied function name. |
Callback Function |
|
|
Closes the specified open line device. |
Opening and Closing Line Devices |
|
|
Completes the transfer of the specified call. |
Call Transfer |
Yes |
|
Causes the provider of the specified line device to display a dialog box (attached to the hwndOwner parameter of the application) to allow the user to configure parameters that are related to the line device. |
Line Status and Capabilities |
No |
|
Deallocates the specified call handle. |
Call Drop Functions |
No |
|
Enables service providers to provide access to features that are not offered by other TAPI functions. |
Extended Telephony APIs for Line Devices |
Yes |
|
Dials the specified dialable number on the specified call. |
Making Calls |
Yes |
|
Drops or disconnects the specified call. |
Call Drop Functions |
Yes |
|
Forwards calls that are destined for the specified address on the specified line, according to the specified forwarding instructions. |
Call Forwarding |
Yes |
|
Initiates the generation of the specified digits on the specified call as inband tones by using the specified signaling mode. |
Generating Inband Digits and Tones |
No |
|
Generates the specified inband tone over the specified call. |
Generating Inband Digits and Tones |
No |
|
Returns the telephony capabilities of an address. |
Addresses |
No |
|
Retrieves the address ID of an address that is specified. |
Addresses |
No |
|
Returns current status of a specified address. |
Addresses |
No |
|
Gets the application's priority for a specific media mode. |
Application Priority |
No |
|
Enables an application to obtain information about the specified call. |
Call States and Events |
No |
|
Returns the current status of the specified call. |
Call States and Events |
No |
|
Returns a list of all calls in a specific conference. |
Call Handle Manipulation |
No |
|
Queries a specified line device to determine its telephony capabilities. |
Line Status and Capabilities |
No |
|
Returns an "opaque" data structure object, the contents of which are specific to the line (service provider) and device class. |
Line Status and Capabilities |
No |
|
Allows an application to retrieve a service line device-specific (or provider-specific) icon for display to the user. |
Line Status and Capabilities |
No |
|
Returns a device identifier for the specified device class that is associated with the selected line, address, or call. |
Line Status and Capabilities |
No |
|
Enables an application to query the specified open line device for its current status. |
Line Status and Capabilities |
No |
|
Returns next TAPI application message and optionally waits for a new message. |
TAPI Initialization |
No |
|
Returns list of new calls on a specified line device. |
Call Handle Manipulation |
No |
|
Determines the number of times that an incoming call on the given address should ring prior to the call being answered. |
Toll Saver Support |
No |
|
Returns list of TAPI service providers that currently are installed. |
Service Provider Management |
No |
|
Indicates, which status messages an applications will receive. |
Line Status and Capabilities |
No |
|
Returns address translation capabilities. |
Address Formats |
No |
|
Gives ownership of the specified call to another application. |
Call Handle Manipulation |
No |
|
Places the specified call on hold. |
Call Hold |
Yes |
|
Initializes the use of TAPI by the application for subsequent use of the line abstraction. |
TAPI Initialization and Shutdown |
No |
|
Initializes the use of TAPI by the application for subsequent use of the line abstraction. |
TAPI Initialization and Shutdown |
No |
|
Places a call on the specified line to the specified destination address. |
Making Calls |
Yes |
|
Enables and disables the unbuffered detection of digits that are received on the call. |
Digit Monitoring |
No |
|
Enables and disables the detection of media types that are specified for the call. |
Media Monitoring |
No |
|
Allows an application to negotiate the API version to use. |
Line Version Negotiation |
No |
|
Allows an application to negotiate the extension version to use with the specified line device. |
Extended Telephony Functions for Line Devices |
No |
|
Opens the line device that is specified by its device identifier, and returns a line handle for the corresponding opened line device. |
Opening and Closing Line Devices |
No |
|
Picks up a call that is alerting at the specified destination, address and returns a call handle for the picked-up call. |
Call Pickup |
Yes |
|
Prepares an existing conference call for the addition of another party. |
Call Conference |
Yes |
|
Redirects the specified offering call to the specified destination address. |
Call Accept and Redirect |
Yes |
|
Informs the service provider that the application has processed the user-user information that is contained in the LINECALLINFO structure, and that subsequently received user-user information now can be written into that structure. |
Sending Information to Remote Party |
Yes |
|
Removes the specified call from the conference call to which it currently belongs. |
Call Conference |
Yes |
|
Sends user-user information to the remote party on the specified call. |
Sending Information to Remote Party |
Yes |
|
Sets the priority of the specified application for the specified media mode. |
Application Priority |
No |
|
Allows an application to change bearer mode and/or the rate parameters of an existing call. |
Bearer Mode and Rate |
Yes |
|
Sets the privilege of the application to the specified privilege for the specified call. |
Call Privilege Control |
No |
|
Sets the location that is used as the context for address translation. |
Address Formats |
No |
|
Allows the application to configure a line device to a setup that previously was obtained by using the lineGetDevConfig or the lineConfigDialogEdit function. |
Line Status and Capabilities |
No |
|
Sets the media modes of the specified call. |
Media Control |
No |
|
Sets the number of rings that must occur before an incoming call is answered. |
Toll Saver Support |
No |
|
Enables an application to specify which notification messages to receive for events that are related to status changes for the specified line or any of its addresses. |
Line Status and Capabilities |
No |
|
Enables an application to specify which terminal information that is related to the specified line, address, or call is to be routed. |
Setting a Terminal for Phone Conversations |
Yes |
|
Manipulates the toll list. |
|
No |
|
Sets up a conference call for the addition of a third party. |
Call Conference |
Yes |
|
Initiates a transfer of the call specified by the hCall parameter. |
|
Yes |
|
Shuts down the usage by the application of the line abstraction of the API. |
TAPI Initialization and Shutdown |
No |
|
Swaps the specified active call with the specified call on consultation hold. |
Call Pickup |
Yes |
|
Translates between an address in canonical form and an address in dialable form. |
Address Formats |
No |
|
Displays an application-modal dialog box that allows the user to change the current location of a telephone number that is about to be dialed, adjust location and calling-card parameters, and see the effect. |
Location and Country/Region Information |
No |
|
Retrieves the specified held call. |
Call Hold |
Yes |