Why is voicemail not received at the extension I called on my AT&T Telephone?
The extension’s voicemail memory may be full, so delete messages. Alternatively, the extension may be unplugged, so plug in the extension.
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 are my AT&T Syn248 SB35031 Telephone calls dropped?
Calls on your AT&T Telephone can be dropped due to several reasons: * Restoring Deskset settings or updating software while that extension is in use. * The network being down. * The Deskset extension being changed during the call. * Maximum Call Duration being exceeded. Your system administrator should avoid updating software or restoring Deskset settings when you are likely to be using the phone. Ensure that the Ethernet cable is securely plugged into the Deskset network port and that the other end is plugged into your office LAN. Contact your system administrator if changes were made to your extension while you were on a call; that call is dropped. Outside calls that are forwarded or transferred to an outside phone number use two outside lines for the duration of the call. To ...
Why is the headset registration not working on my AT&T Syn248 SB35031 Telephone?
The headset and the Deskset are not communicating with each other. Confirm that you have placed the headset in the charger before you press Register on the Deskset.
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.
Description of the screen displayed during an active call and its associated soft keys.
How to dial a number before going off hook to initiate a call.
The process of going off hook and then dialing a number to make a call.
How incoming calls are displayed, indicated by ringing, and caller information.
Methods to answer an incoming call using the handset, speakerphone, or headset.
How to silence the ringer of an incoming call and its consequences.
Introduction to managing active calls, including holding, transferring, and conferencing.
Steps to place an active call on hold and retrieve it later.
How to transfer an active call to another extension or voicemail.
Procedure for setting up and joining a multi-party conference call.
How to place a conference call on hold and how to end it.
Information on the voicemail system, message waiting indicator, and mailbox capacity.
How to access and play new and old voicemail messages from the Deskset.
Procedures for deleting individual or all voicemail messages.
Instructions for accessing voicemail messages and greetings remotely via phone.
How to access and view call history, including caller ID information.
How to broadcast voice messages to all extensions or specific paging zones.
How to set, change, or clear the user password for security and access.
Steps to access and log into the Deskset's web-based configuration interface.
General procedures for resolving issues like blank screens or unresponsive devices.
Troubleshooting common display messages like 'Joining Site...' or 'Network Down'.
How to resolve issues with dropped calls, echo, or inability to make/receive calls.
How to fix problems with not receiving incoming calls or the deskset not ringing.
How to resolve issues like no dial tone or incorrect number dialing for outgoing calls.
How to resolve issues with voicemail not being received or incomplete messages.
How to resolve issues with the headset not responding, not working, or poor audio quality.
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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