3 sip account properties - topology, Sip account properties – topology, 3 sip account properties – topology – CounterPath Bria for Linux Administrator Guide User Manual

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3.3 SIP Account Properties – Topology

Table 3: SIP Account Properties – Topology

Field

Description

Firewall traversal

Mode

• ICE: Automatically determine the contact address for signaling traffic.

Advertise the local IP, public IP (discovered via STUN, if available), and media relay IP
(discovered via TURN, if available), and use these to automatically determine the best route for
media traffic during calls.

• STUN: Advertise the public IP address (discovered via STUN) for the contact address for

signaling traffic, and for the connection address for media traffic.

• TURN: Advertise the public IP address (discovered via STUN) for the contact address for

signaling traffic.

Advertise the address of a media relay server (discovered via TURN) for the connection address
for media traffic.

• None: Advertise the local IP address only for both signaling and media traffic.

Server address

• Empty: Discover the address of the firewall traversal server (the STUN or TURN server), if

available, using DNS SRV.

• Specified: Use the firewall traversal server specified as either an IP address or a fully qualified

hostname.

Ports

Port range

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.

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