User Guide

104
3. Configure the settings listed in Table 11 on page 104.
4. Tap Apply to accept your changes or Undo to start again.
Firewall settings
Use the following procedure to configure Firewall settings on the MCC
3100 for Windows Mobile Dual Mode.
1. From any screen, select Tools > Settings.
The MCC 3100 for Windows Mobile Dual Mode screen appears.
2. Tap the Firewall tab.
The Firewall panel appears.
Table 11: Proxy configuration fields
Domain The SIP domain at which the MCC 3100 for
Windows Mobile Dual Mode registers. MCC
3100 for Windows Mobile Dual Mode adds an
@ followed by the domain name to SIP
usernames that you enter.
Primary ECS Server The IP address of the primary Enterprise
Communication Server. Use one of the
following formats: IP address, DNS A record,
or DNS SRV record.
Examples: IP address—192.168.1.10
DNS A record—sip.firsthand.com DNS
SRV record—_sip._tcp.sipquest.com
Primary ECS Port The UDP port number the primary Enterprise
Communication Server uses to receive SIP
messages. The default is port 5060.
Alternate ECS
Server
The IP address of the primary Enterprise
Communication Server, if implemented.
Alternate ECS Port The UDP port number the alternate Enterprise
Communication Server uses to receive SIP
messages.