CounterPath X-Lite 4.7 for Windows User Guide - Manual (Page 45)

X-Lite for Windows User Guide
7
SIP Account Properties – Transport
Table 5: SIP Account Properties – Transport
Field Description
Signaling Transport Contact your VoIP service provider to identify the types of transport that are supported.
Then choose a supported transport:
• Automatic: X-Lite sets up the transport based on the capabilities of the network and the
X-Lite computer. Choose this option if you do not care which transport is used.
• TCP: This transport provides no signaling security.
• UDP: This transport provides no signaling security.