You can set up the feature anyway you like, such as with a specialized ring or a flash so you will be notified that you missed a call or have a call waiting.Mariam Thomas contributes useful and interesting posts about the indispensable need of business VoIP systems for Telecom.Toshiba.com. 0 comments??? add oneLeave a Comment Name * Email * Comment Cancel 4 Mind-Boggling Electronic Innovations5 Si