What Is Call ID?
Call ID or caller ID is a phone service feature that enables phone subscribers to have incoming call numbers identified before they answer the phone. Call ID is provided by the phone carrier. Phone subscribers may choose to mask their numbers from caller ID.
Reasons to Use Call ID
Phone subscribers may choose to use call ID for a number of reasons:
To know who is calling before answering
To screen for unwanted calls
To have a list of “Recent” calls
To be selective in which calls they answer
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