The Diagnostic Tools section is used to test network connectivity and troubleshoot network-related issues from within the PBX system. These tools help administrators verify reachability, check domain resolution, and trace the path network traffic takes to a remote host.
Ping
The Ping tool is used to test basic connectivity to a hostname or IP address.

Host: Defines the hostname or IP address to test.
Ping Interval: Defines the interval used between ping requests.
NS Lookup
The NS Lookup tool is used to verify DNS resolution for a domain name.

Host: Defines the domain name to look up.
Trace Route
The Trace Route tool is used to identify the route taken by traffic from the PBX server to the target host.

Host: Defines the hostname or IP address to trace.