CounterPath Bria 3.0 for Mac User Guide - Retail Deployments - Manual (Page 51)

Using Bria 3.0 for Mac – Retail Deployments
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SIP Accounts – Topology
Table 4: Accounts – Topology
Field Description
Firewall traversal
mode Leave the default. Or if you have problems making phone calls, contact your VoIP service provider for
information on their firewall traversal solution.
Ports used The appropriate setting depends on your computer setup:
• Checked: If your computer is behind a restrictive firewall that only allows specific port ranges to be
used. Enter the range of ports to use for your SIP account. (You must also open those ports on your
firewall; refer to applicable firewall documentation for information.)
• Unchecked: If your computer is not behind a restrictive firewall.