| 摘要 |
<p>The present invention relates to a collect call method and system thereof, more particularly, in order to charge the called party with an uniform toll for collect call, which is determined by only the type and location of called party terminal, the collect call method, system and a counsel service providing method use a free VoIP network as a part of voice call link and a charge PSTN network as the rest of voice call link. According to the preferred embodiment of the present invention, if the first link corresponding to the collect call request is established, the collect call switch calls the called party terminal to establish the second link, and billing on the second link is initiated.</p> |
