Samsung SGH-X640 Sending a sequence of Dtmf tones, Using Phonebook, Using the message service

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Call functions

Sending a sequence of DTMF tones

Dual tone multi-frequency (DTMF) tones are the tones used in phones for tone dialling.

You can send DTMF tones as a group after entering the entire number you need to send or retrieving a number from Phonebook. This feature is helpful for entering a password or an account number when you call an automated system, like a banking service.

1.When connected with a teleservice system, press <Options> and select Send DTMF.

2.Enter the number you need to send and press <OK>.

Using Phonebook

You can access the Phonebook menu to locate or store entries. p. 25

Press <Options> and select Phonebook.

Using the message service

You can access the Messages menu to read an incoming message and send a new message. p. 34

Press <Options> and select Message.

Using the SIM service

The SIM service menu is available if you use a SIM card in your phone. A SIM card provides services such as news, weather, sports, entertainment, and location services.

For details, see your SIM card instructions or contact your service provider.

Making a multi-party call

Use this feature to allow as many as six people to join a multi-party call, or conference call.

Your service provider must support multi-party calls for you to use this feature.

Setting up a multi-party call

1.Call the first participant.

2.Call the second participant. The first call is automatically put on hold.

3.Press <Options> and select Join. The first participant is added to the multi-party call.

4.If desired, call another person or answer an incoming call.

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Contents Samsung Electronics SGH-X640 User’s guide Precautions Your phone is not water-resistant. Keep it dry Be aware of special regulationsExample This guide, the following instruction icons appearStore up to 1000 contact numbers Record memos or soundsEnjoy Java-based embedded games and download new games Contents SIM-AT Overview of menu functionsYour phone UnpackSIM card information Install and charge the phoneRemove the battery Insert the SIM card Install the battery Get startedOpen the phone Press and hold Power on or offLow battery indicator Remove the adapter from the phoneKeys and display Keys DescriptionUp Camera Icons Layout The display has the three areasAccess menu functions Call ringer melody Quiet modeCustomise your phone Display languageMake/answer calls Step outside the phone Use cameraBrowse WAP Find an entry Use PhonebookSend messages Add an entryView messages Multimedia messages →Create Create a new memo Manage scheduleEnter text Tips for using ABC modeEntering a word in T9 mode Tips for using T9 modeAdding a new word to the T9 dictionary Redialling recent numbers Call functionsPress Making an international callMaking a call from Phonebook Dialling a number from the SIM cardTips for answering a call Making a second call Adjusting the volume during a callRecording your call conversation Placing a call on hold/RetrievingAnswering a second call Using the loudspeakerUsing the voice clarity feature Switching off the microphone Mute modeSending a sequence of Dtmf tones Using PhonebookUsing the message service Using the SIM serviceDropping one participant Menu functionsPhonebook Having a private conversation with one participantMobile/Home/Office/Fax/Other add a number in any category Using Phonebook optionsUse this menu to add a new contact to Phonebook Storing a number in the phone’s memoryCopy all to phone Phonebook Speed-dial list PhonebookScroll to the number you want and press Dial or Service directory PhonebookUse this menu to change the properties of caller groups Change name change the group nameCall records Menu Network services Menu Call costs MenuCall diverting Menu Call barring Menu Call waiting MenuAll incoming prohibit incoming calls Active line Menu Network selection MenuCaller ID Menu Band selection MenuConnection tone Menu Sound settings MenuPower on/off Menu Incoming calls MenuAlerts on call Menu Quiet mode MenuMessages Menu Minute minder MenuWhen you have finished, press OK to send the message Select Number, E-mail, or Phonebook Multimedia messages MenuForward forward the message to another person Push messages Menu Use this menu to access messages from the WAP serverDelete all delete all push messages Preset messages MenuVoice mail Menu Broadcast MenuSend settings Short messages MenuMultimedia messages Menu Server URL enter the address of your MMS server Receive settingsMemory status Menu MMS profilesHome Selecting and using browser menu optionsFun box Menu Navigating with the WAP browser PressAdding a bookmark Using WAP page optionsBookmark switch to the Bookmark menu. Menu Using bookmark optionsData call type select a data call type Proxy settings MenuGSM setting customise the following GSM network settings Media box MenuViewing game information Java world MenuMemory status Menu Playing a gameCreating a new memo Internet settings MenuOrganiser Menu Use this menu create a new memoScheduler Call To do list Using memo optionsUsing the calendar options Creating memos and using memo optionsTo do list Menu Setting an alarmStopping an alarm Setting the alarm to ring even if the phone is offVoice recorder Menu Calculator Menu Conversion MenuProperties view the properties of the voice memo Camera produces Jpeg photos Starting the timerStopping the timer Take photos MenuUse photo options Options. p Delete the photo Return to Capture modeUsing camera options in Capture mode Capture mode, press to access the following optionsTaking a photo with the closed phone Using the keypad in Capture modeMy photos Menu Key FunctionProperties view the properties of the photo Using photos optionsPress Options to access the following options My albums MenuLCD contrast Menu Phone settings MenuService light Menu Greeting message MenuPIN check Menu Change Password MenuAnykey answer Menu Auto redial MenuVoiceclarity Menu Active folder MenuReset settings Menu Solve problemsYour correspondent cannot reach you No service, Network failure, or Not done displaysPhone starts beeping and Battery low flashes on the display You have entered a number but it was not dialledRe-store the number, if necessary Health and safety informationNo number is dialled when you re-call a Phonebook entry SAR certification informationPrecautions when using batteries Health and safety informationOperating environment Road safetyElectronic devices Emergency calls Potentially explosive environmentsCare and maintenance Other important safety informationHealth and safety information Index Index Index SGH-X640 Declaration of Conformity R&TTE

SGH-X640 specifications

The Samsung SGH-X640 is a feature-rich mobile phone that was launched in the mid-2000s, showcasing Samsung's commitment to innovation in the telecommunications sector. This sleek and stylish device was designed to cater to the growing demand for advanced mobile features while still being user-friendly.

One of the standout characteristics of the SGH-X640 is its compact and lightweight design, making it highly portable and convenient for everyday use. Weighing just 90 grams and measuring 86 x 44 x 21 mm, this phone easily fits in the palm of your hand or pocket. Its clamshell design not only adds a touch of elegance but also protects the screen from scratches and damage when not in use.

The SGH-X640 comes equipped with a bright 128 x 160 pixel display that supports 65,536 colors, providing vibrant visuals for images, graphics, and menus. This clarity allows users to enjoy multimedia content such as photos and videos, further enhanced by its integrated camera, which features a 1.3-megapixel resolution. This camera allows for decent photo-taking capabilities, perfect for capturing special moments on the go.

In terms of connectivity, the SGH-X640 supports GPRS Class 10, allowing for relatively fast internet browsing and data transfer capabilities for its time. The phone features a WAP 2.0 browser for accessing mobile content, enabling users to stay connected to the web wherever they go. Bluetooth technology is also included, facilitating easy wireless sharing of files and media with other compatible devices.

The device boasts an impressive battery life with a standard Lithium-ion battery, offering talk time of up to 5 hours and standby time of approximately 200 hours. This lengthy battery performance is ideal for users who rely on their mobile phone throughout the day without the constant worry of recharging.

Additionally, the SGH-X640 supports various multimedia formats, making it a suitable companion for music and video playback. Users can easily download ringtones and applications, personalizing their devices to suit their preferences.

Overall, the Samsung SGH-X640 exemplifies the combination of style, functionality, and technology that defined the early 2000s mobile phone market. Its thoughtful design and impressive features make it a memorable entry in Samsung's legacy as a leading mobile manufacturer.
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