Why can't I send messages from my Siemens Gigaset SL400?
There are several reasons why you might be unable to send messages: * The CLIP service (Calling Line Identification Presentation) may not be enabled. Ask your service provider to enable this service. * SMS transmission might have been interrupted. Try re-sending the SMS. * The SMS centre number may be incorrect or missing. Enter the correct number for the SMS centre.
What to do if I have stopped receiving SMS messages on my Siemens Cell Phone?
If you've stopped receiving SMS messages, it could be due to a few reasons: 1. You might have changed the ID of your mailbox. Give your SMS contacts your new ID or undo the change. 2. Your mailbox may not be activated. Activate your mailbox. 3. Call divert settings may be interfering. Change the call divert settings, especially if set to 'Immediately' for the network mailbox.
What to do if messages are only received during the day on my Siemens Cell Phone?
If you are only receiving messages during the day, it may be because the terminal is recorded in your SMS provider's database as having no fixed line network SMS functionality. Send any SMS to automatically register your telephone to receive SMS, or obtain information from your fixed line network SMS service provider.
What to do if the SMS is played back on my Siemens Gigaset SL400 Cell Phone?
If the SMS is played back, possible causes include: * The 'display call number' feature is not activated. Ask your service provider to activate this function (chargeable). * There is no agreement between your mobile phone operator and your fixed line network SMS service provider. Obtain information from your fixed line network SMS service provider. * Your terminal has been recorded by your SMS provider as having no fixed line network SMS functionality. Send any SMS to automatically register your telephone to receive SMS.
What to do if I receive an incomplete SMS on my Siemens Cell Phone?
If you are receiving incomplete SMS messages, it might be because your phone's memory is full. Try deleting old SMS messages.
Save contacts and manage appointments and birthdays in the calendar.
Ends calls, cancels functions, and manages handset power.
Answers calls, opens redial list, and starts dialling.
Important warnings regarding power adapters, batteries, and usage.
Warnings about medical equipment, hearing damage, and hazardous environments.
Advice on avoiding liquid, heat, and using correct parts.
Notes on country compatibility, power failure, and emergency calls.
Lists all items included in the product packaging.
Instructions for proper installation of the base station and charger.
Details on connecting the base to power and the phone line.
Instructions for connecting the handset charger.
Guides on inserting the battery, attaching clips, and placing in charger.
Instructions for the initial charging and discharging of the battery.
Steps to set the correct date and time for call logging and alarms.
Explains the functions of the central navigation control key.
Details how to use the numeric and function keys.
How to access and navigate the phone's menu structure.
Navigating submenus and returning to the idle display.
Manage SMS messages, mailboxes, and services.
Save and manage phone numbers and contact details.
Configure date/time, audio, display, language, and system settings.
Instructions for dialling numbers on the public telephone network.
Simple procedure to disconnect an ongoing call.
How to answer an incoming call using different methods.
How to conduct calls without holding the handset.
Turning handsfree mode on and off during a call.
How to handle incoming calls while already on a call.
Managing multiple participants in calls.
Step-by-step guide to adding new entries to the directory.
How to make calls using saved directory entries.
Guides on composing and sending text messages.
Solutions for common SMS sending and receiving errors.
Reduces radiation by 80% and range by 50%.
Switches off radiation in idle state, affecting call setup time.
Setting up and managing the phone's alarm clock.
Adding and removing handsets from the base station.
How to call between registered handsets.
Moving calls to other handsets and managing multi-party calls.
Setting up the handset to monitor sounds in another location.
Configuring the room monitor function and destination number.
Pairing the handset with Bluetooth accessories like headsets.
Securing base settings with a system PIN.
Restoring all base station settings to factory defaults.
Common problems and their solutions for phone usage.
Steps for updating the phone's firmware via PC.
General| Technology | GSM |
|---|---|
| 2G bands | GSM 900 / 1800 / 1900 |
| SIM | Mini-SIM |
| Alert types | Vibration; Downloadable polyphonic, MP3 ringtones |
| Loudspeaker | Yes |
| 3.5mm jack | No |
| WLAN | No |
| GPS | No |
| Radio | No |
| Browser | WAP 2.0/xHTML |
| Games | Yes |
| Java | Yes, MIDP 2.0 |
| Battery | Removable Li-Ion 750 mAh battery |
| Talk time | Up to 5 h |
| Colors | Black, Silver |
| Type | TFT |
| Phonebook | 1000 entries |
| Bluetooth | Yes |
| USB | Yes |
| Messaging | SMS, MMS |
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