Disposal of Call Waiting Software is used in the case that a new call request arrives when the 2B channels are used to access Internet. A new method is adopted in the implementation of Data Link Test Software.

• 呼叫等待处理完成的主要功能是：当用户的2B通路都被占用时，如果有新呼叫到来，用户可以选择接受或者拒绝。