Regardless of how well the juveniles are looked after during their stay in a CDC, such stays, in every instance, have a very negative impact on their psychological condition and their normal functioning thereafter. Legislation and practice should evolve in such a way as to make sure that all juveniles can stay in local communities during the proceedings aimed at regulating their migration situation. Bars in windows On numerous occasions the Mechanism has emphasized the need to abandon that practice, particularly in those centres where children are staying. CPT Conditions in detention centres for migrants should reflect their legal status. Given the fact, that migrants placed in the CDC are not prisoners, all analogies to penitentiary establishments should be eliminated67. Access to VoIP (Voice over Internet Protocol) technology Despite the fact that foreigners residing in closed centres have access to the Internet, they cannot make free international calls, using the VoIP technology. CPT The Committee would like to encourage Polish authorities to consider allowing residents of the Closed Centre in Lesznowola to use the VoIP technology free of charge to communicate with the outside world and offering poor foreigners the possibility to make at least one free phone call a month68. CPT report from the visit to Malta in 2008, CPT/Inf (2011) 5, Art.51. CPT report from the visit to Poland in 2017, CPT/Inf (2018) 39, Art. 54. 67 68 44 PART III - situation in places of detention