API Reference
Basic Types and Functions
ICE and Trickle ICE
Interactive Connectivity Establishment (RFC 5245)
STUN
Session Traversal Utilities for NAT (RFC 5389)
TURN
Traversal Using Relays around NAT
uPnP
Universal Plug and Play support for SIP UDP and media UDP transports.
UPnP NAT Traversal guide — build prerequisites, PJSUA / PJSUA2 / pjsua CLI usage, interaction with STUN/TURN/ICE, limitations.
Original implementation: #3184