When eSpace clients connect to an enterprise's internal network over the Internet, which of the following services requires an SBC?
In a multi-node centralized network and not supports two unified gateways working in active/standby mode, () SIP server(s) need(s) to be configured for SIP users on the local node.
A company's branch has 20 IP phones that need to register with the primary node. Which of the following devices is most cost-effective and supports local regeneration for the branch?
In which of the following scenarios can the eSpace UC solution adopt only the Linux operating system of the advanced edition?