Samsung X640 User Guide - Page 27

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 and select Send DTMF. 2. Enter the number you need to send and press . Using Phonebook You can access the Phonebook menu to locate or store entries.p. 25 Press 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 and select Message. 24 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 and select Join. The first participant is added to the multi-party call. 4. If desired, call another person or answer an incoming call.