What to do if my Tone Commander 8620 is locked up?
If your Tone Commander Telephone is locked up, first press the SETUP key to display the Setup Menu. Then select ADMIN, press the MORE4 key, select RESTART, and choose YES. This will cause the telephone to attempt re-initialization with the network. If the Setup Menu does not function, disconnect and reconnect the line cord or local power supply to cycle power on the phone.
What to do if my Tone Commander 8620 display is blank?
If your Tone Commander Telephone display is blank and there are no lit LEDs: * For an 8610T or 8620T, verify connection to an external NT1 and verify power connection to the NT1. * For an 8610U or 8620U, verify connection to an external power supply and make sure the line cord is plugged into the U IN jack on the phone. If power is connected to the phone, but the display remains blank, replace the phone.
Why can't I hear ringing on my Tone Commander Telephone?
If inbound calls to a specific line cause the LED to flash, but there is no audible ringing, press the Vol5 key while not on a call to enable the ringer.
How to troubleshoot L1 initialization issues on Tone Commander 8620?
If L1 does not initialize on your Tone Commander Telephone: * For an 8610T or 8620T, locate the external NT1 device for the phone; verify connection between the U (LINE) connector on the NT1 and the Telco ISDN line. * For an 8610U or 8620U, verify connection between the U IN jack on the phone and the Telco ISDN line.
What causes Terminal Error on Tone Commander 8620 Telephone external NT1?
If the External NT1 indicates a Terminal Error on your Tone Commander Telephone, verify the connection and correct the polarity of all wire pairs between the phone and the S/T (TERMINAL) connector on the NT1. On a multipoint line, verify correct connections and polarity to the partner phone as well. Verify termination settings on both phones and the NT1.
What to do if Tone Commander Telephone doesn't fully initialize?
If your Tone Commander Telephone appears operational but full initialization is not achieved, determine which protocol layer is not initializing by observing the startup diagnostic display.
Why does my Tone Commander 8620 take long to synchronize?
The network may take up to 3 minutes to synchronize L1 and L2 with the phone. If there is an external NT1, verify correct line and terminal status indications on the NT1.
What to do if my Tone Commander 8620 Telephone L2 does not initialize?
Restart your Tone Commander Telephone. If the problem persists, contact your service provider.
How to resolve NT1 issues with Tone Commander Telephone?
For a standalone or single rack-mount NT1, press the NT1 reset button or cycle NT1 power by temporarily disconnecting its stand-alone power supply or removing the NT1 from the rack.
How to adjust voice level on Tone Commander 8620 Telephone headset?
If, when using a specific headset with your Tone Commander Telephone, the voice level to other parties is not loud enough, press XMT+ as many times as required.
Guidance on navigating and utilizing the contents of this user guide.
Description of the phone's display screen and softkey functions.
Details on CALL, SETUP, DONE, MORE, MUTE, SPKR, and other keys.
Handset/Headset Jack, Microphone, and Identification Label Area.
Steps for making, receiving, and managing calls.
Bridging, holding, transferring, and conferencing calls.
Accessing network-provided services like Call Forwarding.
Managing call history and speed dial entries.
Using hands-free operation and voice announcing incoming calls.
Connecting and using a headset, adjusting volume.
Adjusting ringer volume and display contrast.
Configuring time, date, and multifunction keys.
Customizing ringtones and call answering behavior.
Setting or removing a password to protect call log access.
Details of the product warranty, terms, and conditions.
Essential safety precautions and FCC compliance statements.
General| Brand | Tone Commander |
|---|---|
| Model | 8620 |
| Category | Telephone |
| Language | English |
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