The dedicated circuit provided by dialup will have little delay or jitter for point-to-point traffic, but voice or video traffic will not operate adequately at relatively low bit rates.

• 对点对点的流量来说由拨接提供的专用线路会有小的延迟或信号跳动，而声音或影像的流量将不适合在相对而言较低的速率来操作。