Samsung GH68-06534A - Manual (Page 206)

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Glossary
To help you understand the main technical terms
and abbreviations used in this booklet and take full
advantage of the features of your mobile phone,
here are a few definitions.
ALS (Alternate Line Service)
Capability of associating two lines with one SIM
card. With this service, you can make and receive
calls on either line, as required.
Call barring
Ability to restrict outgoing and incoming calls.
Call diverting
Ability to reroute calls to another number.
Call holding
Ability to put one call on standby while answering or
making another call; you can then switch between
the two calls, as required.
Call waiting
Ability to inform users that they have an incoming
call when engaged on another call.
CLI (Caller Line Identification) services
Services allowing subscribers to view or block the
telephone numbers of callers.