Specifications

IP Networking
149
Figure 21: Enterprise Site with SIP Aware Firewall
The ingate SIP Firewall is interoperable with the 3300 ICP based SIP solution. You can obtain
the Ingate product documentation at www.ingate.com. The Mitel SIP firewall product is the
MiVoice Border Gateway. Information is available on Mitel OnLine.
TCP/IP port usage
The 3300 ICP uses the following default ports for SIP trunking:
• 5060 for TCP/UDP SIP
• 5061 for TCP SIP-TLS (Transport Layer Security)
You can modify these values using the System Administration Tool. The valid port ranges are
1 to 65535.
Some installations may combine SIP Trunking with the Microsoft Office Communicator (MOC),
Live Communication Server (LCS) and the Live Business Gateway (LBG). When completing
these installations, enter the following IP port usage information into the System Administration
Tool:
• Microsoft Office Communicator uses ports 5060 and 5061 to communicate with the Live
Communication Server.
• The Live Communication Server uses ports 5060 and 5061 to communicate with the Live
Business Gateway.
• The Mitel Open Integration Gateway communicates with MiVoice Business using internal
MiVoice Business component (Data Services) port 5320.
• The Live Business Gateway (LBG) communicates with MiVoice Business using internal
MiVoice Business component (Data Services) port 5320 and port 7011.
Note: When establishing firewall rules, keep in mind that TLS is, by default, over TCP.