Close up of buttons on a landline phone isolated on white
landlinetelephonebuttonsdn2phonecommunicationnumbersdialreceivercordspeakermicrophonemutecordedbusinessbuttoncablecallcloseupcommunicationsconnectioncontactdeviceequipmenthandsetisolatedkeypadlinenumberobjectobsoleteoldfashionedplasticretrotechnologytelecommunicationstonewhitebusy signaldial tone