User guide
Table Of Contents
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 Installation
- Chapter 3 Programming
- Programming overview
- About the programming tools
- Enable your options
- Programming the system parameters
- Programming the extensions
- Programming the voice parameters
- Modify the extensions and system directory
- Program the terminal emergency numbers (ELINs)
- About the default line numbers
- Program the general line parameters
- Program the analog lines
- Program the digital trunks
- Assign priority lines
- Restrict external access (toll restriction/call barring)
- Program the voice management parameters
- Programming the voice mail settings
- Setting up the auto attendant
- Configuring call logging (SMDR)
- Programming a loudspeaker
- Committing your changes
- Performing a database backup
- Programming tips
- Chapter 4 Configuring the IP network
- About IP networking
- Network capabilities
- Planning your LAN
- IP programming sequence
- Connecting directly to the Internet
- Connecting to the Internet through an existing LAN
- Using a remote DHCP server
- Changing the assigned DHCP IP address range
- Configuring Domain Name Service
- Assigning a gateway
- Programming dial-up access to an ISP
- Configuring NAT Redirect
- Restricting LAN access (firewall)
- IP networking tips
- Chapter 5 Routine maintenance
- Is the system healthy?
- Is the system secure?
- Checking the system
- Launching the tools
- Enabling your licensed options
- Rebooting the system
- Powering down the system
- Powering up the system
- Upgrading the system
- Performing backups
- Saving call (SMDR) logs
- Using a remote access session
- Changing extensions or set types
- Creating a user guide
- Using a database template
- Maintenance tips
- Chapter 6 Troubleshooting and repair
- Checking the system LEDs
- Checking the logs
- Viewing diagnostics
- Using maintenance commands
- Using Windows networking commands
- Line troubleshooting
- IP port troubleshooting
- IP phone troubleshooting
- Analog phone troubleshooting
- System troubleshooting
- Network troubleshooting
- Fixing database or software corruption
- Replacing faulty components
- Troubleshooting tips
- Appendix A Default database
- Appendix B Reference
- Appendix C Planning
- Index

Configuring the IP network
101
2. Commit the database.
“Operation Successful” is displayed when the commit
database is complete.
3. Connect a crossover cable from a layer-2 switch port
on the controller to the existing LAN.
4. Launch a DOS command window and ensure that
you can ping computers that are located on the
existing LAN. Ping the IP addresses on your network
and check external name resolution by navigating to
external websites.
You must set the laptop PC to use the 3100 ICP
system as its DNS server.
5. Open a browser and ensure that you can surf to a site
on the Internet. If you are unable to access the
internet, your DNS settings for the 3100 ICP system
are probably incorrect. See Configuring Domain
Name Service (p. 101).
Configuring Domain Name Service
The 3100 ICP controller includes a Domain Name
Service (DNS). You should configure this service to help
users resolve local and remote web queries.
Users will not be able to browse the Internet unless
you have configured DNS to forward user’s requests
to the DNS sever of the Internet Service Provider
(ISP).
1. Launch the system tool. See Launching the tools (p.
127).
2. Choose IP Networking from the Selection menu.
3. Click DNS, click DNS Server, and then click Change.
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