Maxcom MM820 Plus

Display symbols
Additional functions
Call options
During a call the soft key 1 give access to additional functions:
Options (left soft key)
A menu with the following options is displayed:
Hold single call
Hold the current call
End single call
End the current call (same as )
Newcall
Call another number (three-party call)
Phonebook
Search thephonebook
Msg centre
Write or read SMS messages a nd access File
manager
Mute
Disable the microphone(mute)