H225SGN
H225 signaling functions are required for endpoint registration, admission control, and address resolution. Call-signaling functions include connection setup, capability exchange, and open logical channel procedures. SGN uses TCP port 1720. This protocol is also known as H323.
Available to all SRX running 12.3X48+
Available to all MX running 20.2R1+
Available to all vSRX running 20.3R1+