Define your requirements for emergency calls in Skype for Business Server 2015
Summarizes the steps necessary for enabling E9-1-1 in Skype for Business Server Enterprise Voice, depending on whether you have a SIP trunk E9-1-1 service provider or an ELIN gateway.
Before you begin a Skype for Business Server E9-1-1 deployment, you should first be able to answer the questions detailed in the following sections. The planning you need to do depends on the type of E9-1-1 solution that you choose to deploy—a SIP trunk E9-1-1 service provider or an Emergency Location Identification Number (ELIN) gateway. The following table identifies the sections in this planning workbook that you'll need to review for each of those solutions.
Planning Steps by Type of E9-1-1 Solution