ENGLISH
In call Menu
Additional Functions
1-7 Switching DTMF Tones on During a Call
To turn DTMF tones on during a call, for example, to allow your handset to make use of an automated switchboard, select the 
[Menu] key, then DTMF On. DTMF tones can be turned off the same way.
1-8 Calling up the Main Menu
The Messages and SIM Tool kit main menu options can be reached
from the 
[Menu] key, then Main Menu. SIM Tool kit menu is shown only when SIM in the handset supports SIM Tool kit service.
2 Multiparty or Conference Calls
The multiparty or conference service provides you with the ability to have a simultaneous conversation with more than one caller, if your network service provider supports this feature.
A multiparty call can only be set up when you have one active call and one call on hold, both calls having been answered. Once a multiparty call is set up, calls may be added, disconnected or separated (that is, removed from the multiparty call but still connected to you) by the person who set up the multiparty call. These options are all available from the
The maximum callers in a multiparty call is five. Once started, you are in control of the multiparty call, and only you can add calls to the multiparty call.
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