Home ▸ SIP Network Operators Conferences (SIPNOC) ▸ SIPNOC 2026 ▸ Gen'l Session Day 3 - September 17, 2026 ▸ 6. VESPER and DNO+: A Standards Update on RTU, Domain Identity, and Authorization-First Trust 6. VESPER and DNO+: A Standards Update on RTU, Domain Identity, and Authorization-First Trust September 24, 2026 [featured_image] Download Version Download 26 File Size 1.11 MB File Count 1 Create Date September 24, 2026 Last Updated September 24, 2026 6. VESPER and DNO+: A Standards Update on RTU, Domain Identity, and Authorization-First Trust Presented by Chris Wendt, Vice President, Systems Engineering, at Somos, Co-Chair of the IP-NNI Task Force, and Director, SIP Forum. ← 7. Panel Discussion – Where Have All the Robocalls Gone? – Countering Evolving Telecom Fraud5. The Programmable Network: Navigating Fragmentation in the Network API Era →