| 摘要 |
The present invention relates to an apparatus and a method for verifying that a client is allowed to use a voice gateway, which is provided by a provider of voice gateway services. According to the invention, the client activates a link, comprising a telephone number to a B-subscriber, on a web-page on a web-server, a verification function verifying that the client is allowed to use the voice gateway, and a telephone call is set up over the voice gateway depending on said verification. |
