Sony Ericsson K 00I5 - Manual (Page 33)

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Calling
2 Select Limited or Unlimited . If you select
Limited , enter an amount } OK .
Call Priority Service
To check or change your standard
priority level
1 } Settings } the Calls tab } Manage calls
} Default priority .
2 The network sends available priority levels.
Select a priority level.
To change the priority for one call
1 Enter the phone number you want to call.
2 } More } Call priority and select a priority.
The number is called.
Closed User Groups
To add a group
1 } Settings } the Calls tab } Manage calls
} Closed groups } Edit list } New group } Add .
2 Enter the name of the user group } Continue .
3 Enter the index number } Save . You get the
index number from your service provider.
To call outside a closed user group
} Settings } the Calls tab } Manage calls } Closed
groups } Open calls } On . When Off is selected, it
is only possible to call within the group.
Additional Calling Functions
Tone signals
You can use telephone banking services or control an
answering machine by sending tone signals (also
known as DTMF tones or touch tones) during a call.
You can request a certain priority when you make
a call, if your subscription supports the call priority
service. The priority levels are defined by your service
provider and are normally within the range of 0-4,
where 0 is the highest priority.
The closed user group function is a way of lowering
call costs. If you subscribe to closed user groups it
is cheaper, on some networks, to make calls within
a call group. You can save ten groups.