fixed-line
US /ˈfɪkst.laɪn/
UK /ˈfɪkst.laɪn/

1.
fisso, linea fissa
referring to a telephone connection that uses physical wires or cables, as opposed to mobile or wireless connections
:
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Many homes still rely on fixed-line phones for reliable communication.
Molte case si affidano ancora ai telefoni fissi per una comunicazione affidabile.
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The company offers both fixed-line and mobile internet services.
L'azienda offre servizi internet sia fissi che mobili.