User Guide

R28A/V
Admin Guide
3.5.5.Outbound Proxy Server
An outbound proxy server is used to receive all initiating request
messages and route them to the designated SIP server.
3.5.6.Transport Type
To display and configure transport type for SIP message.
 UDP: UDP is an unreliable but very efficient transport layer
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.
Figure 3.5.5 Outbound proxy server
Figure 3.5.6 Transport type
Figure 3.5.7 NAT