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
Technician’s Handbook
170
Line troubleshooting
Table 6: Line troubleshooting
Symptoms Probable causes Corrective actions
Unable to make any
external calls or
frequently unable to
access an external line.
Service provider
has not connected
lines.
Unplug the cable that connects
the line service to line port on
the system.
Connect a standard analog
phone or telephone test phone
and plug it directly into the
service providers line socket.
Listen for dial tone. Check each
line. If dial tone isn’t present on
all lines contact your service
provider.
Faulty
programming.
Verify that your line groups
(outgoing lines), hunt maps
(outgoing lines), and ring maps
(incoming lines) are
programmed correctly.
See Configure the ring maps (p.
58).
Faulty line module. Power down the system.
Remove and replace the
suspect line module.
See Installing option modules
(p. 133).