Home ▸ News & Events ▸ Past Events Past Events To view archived material from past SIP Forum events, please click the associated links below: STIR/SHAKEN ENTERPRISE SUMMIT Agenda SIPNOC 2022 Agenda 2021 STIR/SHAKEN VIRTUAL SUMMIT Agenda SIPNOC 2020 Agenda STIR/SHAKEN VIRTUAL SUMMIT Agenda SIPNOC 2019 Agenda Call For Presentations