What are two key features of the Expressway series? (Choose two.)
A) IP to PSTN call connectivity
B) B2B calls
C) VPN connection toward the internal UC resources
D) SIP header modification
E) device registration over the Internet

Question

Quizplus · Accepted Answer

The Expressway series supports B2B calls, allowing secure communication between businesses, and enables device registration over the Internet, facilitating remote access without a VPN.

What Are Two Key Features of the Expressway Series? (Choose