The present document: ? Assesses the support of Total Conversation for emergency communications by existing specifications@ in particular those from 3GPP and IETF. ? Identifies any changes that might be needed to those specifications to support Total Conversation for emergency communications. ? Provides guidance for developers and PSAPs planning to implement Total Conversation for emergency communications@ and for users of the Total Conversation service. The present document covers emergency calls with the full media set of Total Conversation as well as subsets of the media@ except voice calls in which no assisting service is needed. Although the focus of the present document is Total Conversation for emergency communications@ no Total Conversation user can be expected to use Total Conversation only for contacting emergency services. Therefore and where applicable@ some aspects of use of Total Conversation for non-emergency communications are also covered.