POTS
noun[singular]
COMMUNICATIONSinformalukusIT
abbreviationforplainoldtelephoneservice: anordinarytelephoneservicewith nospecialfeatures:
With thisservice,employeescan "logon" totheirphonefrom anycubicleordesk,whereaswith POTS anyofficemovecausesexpenseanddisruption.