Short-term Deprivation of liberty 13. The following paragraphs include a description of the shortcomings detect­ ed in the centers of short-term deprivation of liberty which were visited. The ta­ bles with the specific conclusions regarding each facility, which were sent to the different public institutions, are included at the end of this section. The specific conclusions are 14. The video-surveillance systems found in all facilities, with the exception of those at the Catalan autonomous police force stations, did not comply with the criteria established in paragraph 477 of the 2010 Annual Report, and in para­ graphs 38, 39 and 40 of the 2011 Annual Report. However, the Directorate Gen­ eral of the Police, the Directorate General of the Civil Guard and the local police forces of Bilbao (Biscay) and Tafalla (Navarre) have reported that they accept the criterion of this Institution, and that their implementation is subject to availabil­ ity of funding. With the exception of the included at the end of this section Catalan autonomous police force, the video­ surveillance systems continue to fall short Video-surveillance monitors at the Catalan autonomous police force station in Sabadell Photograph 1 (Barcelona) 15. In spite of the Spanish National Police Force having reported to this Institu­ tion that it was studying the possibility of installing sound calling systems so that detainees may communicate with the custody officers, this deficiency was found in a significant number of the visits conducted at facilities of said police force, as was already set forth in paragraphs 57 of the 2010 Annual Report and 41 of the 2011 Annual Report. Communication between detainees and officers is therefore still not guaranteed in such cases. The same deficiency was detected at some fa­ cilities of the local police forces. Communication between 16. As was highlighted in paragraphs 104 of the 2010 Annual Report and 42 of the 2011 Annual Report, this Institution considers that there should be a constant presence of officers at the prison cell area when there are detainees therein. It has been noticed that in some facilities there were no sound calling systems or that, even if they existed, they were not heard in some areas which were far from the prison cells. Therefore, in case of an emergency, a quick reaction of such officers would be hindered. Constant presence of THE OMBUDSMAN OF SPAIN detainees and officers is still not guaranteed officers in the prison cell area, when there are any detainees 39