Telephone Answering Service Considerations TAS Considerations Our goal of this document is to provide you with insight that we hope will allow you to make an informed decision when choosing your Telephone Answering Service (TAS). A discussion of the various billing methods used by TAS companies is covered first. Then, other service and company considerations are discussed. We have included a TAS consideration comparison worksheets that we hope you find useful in your research. © 2013 Dexcomm All Rights Reserved