Sony Ericsson K810 User Manual page 20

Your phone also switches automatically
between GSM and 3G (UMTS) networks
depending on availability. Some
network operators allow you to switch
networks manually, as searching for
unavailable networks consumes battery
power.
To switch networks
1 } Settings } Connectivity } Mobile
networks } GSM/3G networks.
2 } GSM and 3G
only.
For more information, contact your
network operator.
To make a call
1 Enter a phone number (with interna-
tional country code and area code,
if applicable).
2 } Call
to make a voice call or
to view options, such as
% 21 Video call.
call
3 } End call
to end the call.
You can call numbers from your contacts
and call list % 23 Contacts, and
% 25 Call list. You can also use your
voice to make calls % 26 Voice control.
20 Calling
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} GSM
(automatic) or
} More
Make video
To make international calls
1 Press and hold down
appears.
2 Enter the country code, area code
(without the first zero) and phone
} Call
number to make a voice call
} More } Make video
or
To re-dial a number
If a call connection fails and
}
appears Yes.
Do not hold the phone to your ear when
waiting. When the call connects, the
phone gives a loud signal, unless muted.
To answer or reject a call
} Answer }
or Busy.
To turn off the microphone
1 Press and hold down
2 To resume the conversation, press and
hold down
To turn the loudspeaker on or off
during a voice call
} More } Turn on speaker
speaker.
Do not hold the phone to your ear when
using the loudspeaker. This could damage
your hearing.
until a + sign
call.
Retry?
.
again.
or Turn off