Why can't I transfer a call to an extension on my AT&T Syn248 SB35031?
The extension may be unavailable. Check if the destination extension is disconnected from the network. Ensure that the extension exists. All the destination extension’s lines may be busy. If the party you have on hold hangs up, call back and start the transfer process again.
What to do if my AT&T Syn248 SB35031 screen displays Network Down?
If your AT&T Telephone screen displays 'Network Down', ensure that the Ethernet cable is plugged into the port marked LAN on the device and into your office LAN. Also, confirm that the Ethernet port light next to the Ethernet port is green. If it is not, unplug the cable and plug it in again. Check if other network devices are communicating with the network. If not, contact your IT administrator.
Why is caller ID not working on my AT&T Telephone?
Caller ID may not be working on your AT&T Telephone because your organization does not subscribe to caller ID service, or you have DSL phone lines without filters installed. Caller ID is a subscription service; you must subscribe to this service from your local telephone service provider. Also, the caller must be calling from an area that supports caller ID, and both you and your caller’s telephone companies must use caller ID compatible equipment. If you have DSL phone lines, confirm that you have a DSL filter plugged in between each Deskset and DSL wall jack. The DSL filter must be plugged into the wall jack, not the Gateway.
Why does my AT&T Syn248 SB35031 deskset not ring?
Your AT&T Telephone deskset may not ring because your system administrator has set your Deskset to ignore incoming calls on selected lines. Your Deskset will not ring for incoming calls on those lines, but it will display an incoming call screen. If you see the incoming call screen, you can answer the call by pressing Answer or the flashing Line key. Also, check if the ringer volume is too low and press the VOL+ key to increase ringer volume.
Why is there no dial tone on my AT&T Syn248 SB35031?
The handset cord may be plugged into the wrong jack. Ensure the handset cord is plugged into the handset jack on the side of the Deskset. Do not connect the handset cord to the corded headset jack on the back of the Deskset.
How to resolve a blank screen on AT&T Telephone?
To resolve a blank screen or a device that does not work at all, ensure the AC plug is plugged into an electrical outlet not powered by a wall switch. Verify that the AC power outlet has power by plugging in another AC device. If nothing works, contact an electrician or use another power outlet. Check that the DC plug is plugged into the power jack on the device. Allow at least 30 seconds for the device to boot up, as the system devices are not immediately active when powered up or after a power interruption. If your Deskset uses Power over Ethernet (PoE), ask your system administrator to confirm that the PoE switch is working correctly.
Why is my AT&T Syn248 SB35031 Telephone headset not responding?
The headset may have lost connection to the Deskset. Disconnect the cordless headset battery, wait three minutes, install the battery again, and place the cordless headset into the charger. Wait for the ON/OFF light on the headset to display a blue light, indicating that the headset was able to reestablish its connection with the Deskset. Allow up to one minute for this to take place. The headset may also not be registered.
Why is my AT&T Syn248 SB35031 screen displaying Joining Site?
The Gateway is failing to synchronize with a Deskset configured for a different system configuration. Always disconnect the LAN cable before restoring factory defaults (by pressing the RESET button more than five seconds).
What does Synch Failed mean on my AT&T Telephone?
The device synch failed when trying to connect to the system. Reset the device. Insert a pen or paper clip into the reset hole and press for more than five seconds. Also, a device must be removed from the network and deleted from the system before another device can be added.
Why I am unable to transfer a call to an outside phone number on my AT&T Syn248 SB35031?
You might be unable to transfer a call to an outside phone number because transferring to an outside phone number has been disabled for your extension, or no lines are available. Check that your system administrator has enabled transferring to an outside phone number. All phone lines may be in use; if so, try again later.
General| Brand | AT&T |
|---|---|
| Model | Syn248 |
| Model Number | SB35031 |
| Frequency | 1.9 GHz |
| Maximum Handsets Supported | 10 |
| Expandable Handsets Included | 1 |
| Speakerphone | Yes |
| Caller ID | Yes |
| Display | LCD |
| Handsets | 1 |
| Call Waiting | Yes |
| Intercom | Yes |
| Power Source | AC Adapter |
| Color | Black |
| Number of Lines | 1 |
| Headset Jack | Yes |
| Compatible with Syn248 System | Yes |
| Phonebook Memory | 50 numbers |
| Battery Type | NiMH |
| Battery Life | Up to 7 hours talk time |
| Power over Ethernet (PoE) | No |
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