Verykool R16 - Manual (Page 12)

Conference: when making conference call, you can have a talk
separately with designated conference participant. In conference
call mode, all the others can hear your voice.
Transfer (network support is required): transfer the current call to
your designated phone number.
DTMF: on/off settings can be conducted. If the function is activated,
when calling the telephone exchange, you can call the extension in
accordance with voice clews; the aforesaid functions are
unavailable if the function is off.
Emergency call
If you are in the network coverage area (you can check the network
signal strength at the top of standby screen), even without the SIM
card, you are also able to make an emergency call.
Note:
The emergency call numbers in different countries or regions
are different. Please refer to the local numbers for specific
emergency service numbers.
2 Menu operation
In the standby screen, press LSK to enter the main menu, you can
press navigation keys or corresponding number key to select the
function you want to enter.
User profiles Phonebook Call center
File manager Messaging Services
Organizer Multimedia Settings
3 User profiles
User Profiles contains predefined settings for ring tone and volume
for each SIM. You can change the existing profiles according to
your own preferences. In the standby screen, long pressing the #
key will quickly activate Silent mode. The headset profile is
automatically activated when the earphone is inserted, and all other
profiles are automatically disabled.