protocol.
TCP: Reliable but less-efficient transport layer protocol.
TLS: Secured and reliable transport layer protocol.
DNS-SRV: DNS record for specifying the location of
services.
3.5.7.NAT
To display and configure NAT settings.
STUN: Short for session traversal utilities for NAT, a solution
to solve NAT issues.
Note: By default, NAT is disabled.
In the idle interface, press the a SIP account and “Dial key” to
make a SIP call.
3.5.8.Dial Plan
This feature allows users to modify selected rules information.
Once users dial prefix value, it will call out replace number.
Go to Intercom - Basic to configure first.
Figure 3.5.8-1 Dial plan rules management