rtt call

Tue, 05 May 2026 17:04:23 +0000

# Understanding RTT Call: Everything You Need to Know In today’s fast-paced communication landscape, efficient and reliable voice connectivity remains essential for businesses, emergency services, and remote teams. One emerging and effective solution gaining traction is the RTT Call—a protocol revolutionizing real-time voice communication. If you’ve encountered the term “RTT call” and want to understand what it is, how it works, and why it matters, this comprehensive guide breaks it down for you. ## What is an RTT Call? RTT stands for Real-Time Transport Protocol, a networking protocol standardized under RFC 5681 that enables low-latency, high-quality voice, video, and messaging communication over IP networks. An RTT Call refers specifically to voice or video calls established using RTT—designed to deliver clear, responsive connections with minimal delay, even in challenging network conditions.