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    What is 'Calling Line Identifier' (CLI)?

    Calling Line Identifier (CLI) is an option provided by most telecommunication service providers. This option allows your phone to display the number and/or name (caller ID) of the caller who calls you.

    General information

    In most cases, a small monthly fee is needed for CLI/Caller ID subscription.

    If the handset(s) and base station are of different models, CLI may not work correctly.

    The information on this page applies to the following models: SE8881B/21 , SE8881B/38 , SE8881B/23 , SE8881B/22 , CD1811G/NL , CD1811R/NL , CD3653Q/37 , SE6580B/37 , CD1550B/37 , CD1504B/37 , CD1501B/37 , SE6590B/37 , SE6581B/17 , SE6582B/37 , CD1551B/37 , SE6551B/37 , CD1554B/37 , CD1503B/37 , CD1554B/38 , CD1552B/37 , CD4454Q/37 , CD4403B/37 , CD4453B/37 , CD6451B/17 , CD6452B/37 , CD6451B/37 , CD4401B/37 , CD4451B/37 , CD4450B/37 , CD4402B/37 , CD4452B/37 , DECT2211G/37 , DECT2250G/37 , DECT2251G/37 , DECT2252G/37 . Click here to show more product numbers Click here to show less product numbers

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