- 86 requests for information - clarification as regards the funding of health-care services in immigration detention centres (paragraph 86). Other issues recommendations - all detained irregular migrants to be provided with full information, in a language they understand, on their legal situation and to be informed in advance of their right to be represented by a lawyer at the detention review hearings before the administrative courts and of their right to challenge the detention measure in deportation cases (paragraph 88); - house rules to be adopted for each pre-departure centre and special holding facility, which should be clearly posted in the accommodation areas in languages understood by the detainee population (paragraph 90); - appropriate visiting facilities to be set up in all immigration detention centres enabling detained persons to meet with their visitors in an amenable and open setting (e.g. around a table) with an area set aside for children who visit. Immediate steps should be taken to establish a proper visiting area at the Amygdaleza pre-departure centre (paragraph 91); - the Greek authorities to permit persons detained in immigration detention centres to retain their mobile phones and the relevant regulations to be amended accordingly (paragraph 92). requests for information - the observations of the Greek authorities on the matter raised in paragraph 89 (paragraph 89). Prison establishments Preliminary remarks recommendations - the Greek authorities to vigorously pursue their efforts to combat prison overcrowding, by placing further emphasis on non-custodial measures in the period before the imposition of a sentence, increasing the use of alternatives to imprisonment and adopting measures facilitating the reintegration into society of persons deprived of their liberty. In this context, they should be guided not only by Recommendation Rec (99) 22, but also by other relevant Recommendations of the Committee of Ministers of the Council of Europe such as Recommendation Rec (2000) 22 on improving the implementation of the European rules on community sanctions and measures, Recommendation Rec (2003) 22 on conditional release (parole), Recommendation (2006) 13 on the use of remand in custody, the conditions in which it takes place and the provision of safeguards against abuse, and Recommendation Rec (2010) 1 on the Council of Europe Probation Rules (paragraph 94).