How to fix Tone Commander 6220T-TSG when Layer 3 does not initialize?
First, verify that the correct SPID number is programmed into the telephone. Next, check with the serving telco to confirm they haven't switched from a customized to a universal SPID format or changed their office to a new area code. Finally, enter the correct SPID or SPID format into your Tone Commander Telephone.
How to fix Tone Commander 6220T-TSG when Layer 1 does not initialize?
First, locate the NT1 device and press its reset button. If there's no reset button, recycle power by unplugging it. Verify all connections between the NT1 and the registered jack interface. If the issue persists, replace the NT1 device.
What to do if my Tone Commander 6220T-TSG is unable to operate normally?
First, press SETUP to see if the SETUP Menu displays, indicating power and microprocessor operation. If it does, proceed to step 5. Reseat the eight-pin connectors of the telephone mounting cord at both the telephone and the wall jack or NT1 device. Verify the power indicator of the NT1 device is lit. Try replacing the ISDN telephone with another. Alternatively, select ADMIN, then MORE, then RESTART, then YES to reinitialize the telephone. Determine which Layer isn't initializing by observing the startup display.
General| Caller ID | Yes |
|---|---|
| Speakerphone | Yes |
| Display | LCD |
| Encryption | Yes |
| Number of Lines | 2 |
| Power Supply | AC Adapter |
| Battery Life | No battery |
Guides on initiating, answering, holding, transferring, and conferencing calls.
Guides on ordering ISDN service and initial phone installation including termination switches.
Outlines the phone's initialization process and SPID number entry.
Guides programming speed dial, managing directory, and setting call log password.
Provides steps to recover from an unresponsive telephone.
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