LG G5300 User Manual page 165

The Call divert service allows to divert incoming voice calls, fax calls,
and data calls to another number. For details, contact your service
provider.
Diverts voice calls unconditionally.
Diverts voice calls when the phone is in progress.
Diverts voice calls which you do not answer.
Diverts voice calls when the phone is switched off or out of range.
Diverts to a number with a PC connection unconditionally.
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