This document outlines the agenda for a 4-day SIP tutorial. The first day covers basic and advanced SIP call flows, services, RFCs and dialplans. The second day focuses on the OpenSIPS proxy including routing, modules and hands-on configuration. The third day is about Asterisk including theory, configuration, extensions and troubleshooting. The fourth day may cover SIP and NAT, interworking with ISDN/POTS, network environments and backups.