Philips TCD808/A9 user manual Dtmf tones

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DTMF tones

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DTMF tones

The numeric keys of the phone (0 to 9,* and #) always trans- mit DTMF tones (DualTone MultiFrequency) also known as

touch tones ”. DTMF tones are used by certain telephone services such as answering machines,pagers,etc.

Rather than keying in a separate code after each of a series of requests,you can carry out complex operations in one go.

e.g.To reach ‘Listen to new messages’ in one go

An answering machine has the following characteristics: phone number 12345, password 9876, code 3 to activate the function ‘Listen to new messages’.

Enter 12345, 12345 is displayed.

Press and hold to enter a wait character. 12345w is displayed.

Enter 9876, 12345w9876 is displayed.

Press and hold to enter a pause character, 12345w9876p is displayed.

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Contents Page Page Antenna ring Symbols Before you startSoft keys Scroll keysOn/Off button Right and Left keysSafety precautions Radio wavesUsing your phone efficiently SIM card Battery Inserting the SIM cardClipping on the battery Removing the batteryCharging the battery Switching on/off Standby modeEarpiece volume Making a callAnswering a call Switching the microphone off/on RediallingReplying Using the Hot Keys Emergency CallLists Private names list ADNPublic names list FDN Redial list Reply listMaking an entry Entering a name KeyEntering a number Making a call from the Names list Searching for a nameChanging an entry Copying an entry into the private Names list Deleting from the private Names list How to navigate Short cuts into menus and submenusSettings menu Messages menu Receiving a text messageVoice mail Read newRead all Send message Write and send text messagesReply to a saved incoming text message Send a message from a list DeleteIncoming alert tone Network menu Call meters menuServices menu Info during callCharge rate Accumulated costStatus of services Call forwardCall barring Call waitingSecurity menu Call restriction If ADN/FDN service is not available Change PIN2Hot Keys Long press on keyWelcome text AutoredialDtmf tones Dtmf tonesDtmf tones Different BatteriesCarry cases Adaptor CLA Car KitsDeskTop ChargerHandsfree HeadsetProblem Solution