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Chapter 5
Advanced Troubleshooting
This chapter contains examples of advanced troubleshooting procedures. You must be a system administrator to perform these procedures.
Navigation
•Example 1: Cannot dial out from an analog trunk on page 51
•Example 2: Cannot dial out from a SIP or H323 VoIP trunk on page 53
•Example 3: IP set is not registering with the BCM450 on page 58
•Example 4: Cannot install keycode or invalid keycode application on page 60
•Example 5: Cannot dial out from digital trunk on page 61
•Example 6: MeetMe Conferencing commands do not work, or conferencing is busy on page 66
•Example 7: Unable to apply a software update from a USB storage device on page 67
•Example 8: Element Manager incorrectly shows expansion cabinet as empty on page 68
Example 1: Cannot dial out from an analog trunk
When you cannot dial out from an analog trunk, you may experience the following problems in your network:
•you are unable to reach a destination number when you dial it
•there is no dial tone
•instead of a dial tone, you hear a
•you hear a “wrong number” message from the central office.
Use the following procedure when you cannot dial out from an analog trunk.
Troubleshooting example 1
1Check that the LED indicators on the BCM450 Chassis and the MBM are solid green.
2Using an analog test set, verify that a dial tone is present at the MBM termination point.
3From the Element Manager, select Configuration > System > Keycodes to view the list of installed features.
4Verify that the appropriate keycode is active. For analog trunk modules, the keycode is Exp Port.
5Select Configuration > Resources > Telephony Resources and select the appropriate trunk. Verify that the trunk is active.
