Provider
Synchronous
No Custom Parameters
Transfers the application server's side of an established call to the specified destination.
BlindTransfer allows one to attempt to send an already-established call to the destination specified by the To parameter. The transfer attempt is known as 'blind' because, from the application server's standpoint, the result of the transfer attempt is not known after the transfer is complete.
The specified CallId and the corresponding media connection of the call are destroyed after this operation has completed successfully.
BlindTransfer is currently not supported for a call currently in a peer-to-peer relationship.
The Call Control API makes every effort to abstract the complexities of the underlying telephony protocol; however, one should consult the Call Control Feature Matrix to understand what Call Control actions and action parameters are valid for each of the four supported protocols. One can set installation and deployment guidelines based on the Call Control actions and action parameters that an application uses; the Call Control Feature Matrix makes developing such guidelines feasible.
| Parameter Name | .NET Type | Default | Description |
|---|---|---|---|
| CallId * | System.String | The CallId of the call leg to transfer. | |
| To * | System.String | The number to transfer this call to. | |
| Timeout | System.Int32 | The Timeout property specifies to the Application Runtime Environment how long to wait for a response from the provider for the current action. The ReturnValue returned in this case is 'Timeout'. The value must be a literal value in milliseconds. |
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