| 摘要 |
<p>The present invention discloses a call connection method. The method includes: controlling a switching device to establish a telephone channel with an ACD according to a received triggering service request; controlling the ACD to obtain a destination subscriber number through the telephone channel; and controlling the ACD to disconnect the telephone channel and controlling the switching device to connect the destination subscriber number. The present invention further discloses a call connection system, a service control device, a switching device, and an ACD. Therefore, the problem of the circuitous telephone channel of the ACD, also known as trombone or hairpin, in a subscriber call of a voice value-added service is solved.</p> |
