Srtm V4 Download Ftp For Mac

I am trying to get elevation data from longitude/latitude informations using the getData function with RSTM.

The data originate in the NASA Shuttle Radar Topographic Mission (SRTM) data held at the National Map Seamless Data Distribution System. The data have been processed by Dr. Andrew Jarvis of the CIAT Land Use project, in collaboration with H.I. Nelson and E. Guevara to fill in data voids and produce a seamless mosaic. Dismiss Join GitHub today. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.

I tried the example function:
getData('SRTM', lon=5, lat=45)

an it returns

trying URL 'ftp://xftp.jrc.it/pub/srtmV4/tiff/srtm_38_04.zip' trying URL 'http://hypersphere.telascience.org/elevation/cgiar_srtm_v4/tiff/zip/srtm_38_04.ZIP' trying URL 'http://srtm.csi.cgiar.org/SRT-ZIP/SRTM_V41/SRTM_Data_GeoTiff/srtm_38_04.ZIP' Error in utils::download.file(url = aurl, destfile = fn, method = 'auto', : cannot open URL 'http://srtm.csi.cgiar.org/SRT-ZIP/SRTM_V41/SRTM_Data_GeoTiff/srtm_38_04.ZIP' In addition: Warning messages: 1: In utils::download.file(url = aurl, destfile = fn, method = 'auto', : unable to resolve 'hypersphere.telascience.org' 2: In utils::download.file(url = aurl, destfile = fn, method = 'auto', : cannot open URL 'http://srtm.csi.cgiar.org/SRT-ZIP/SRTM_V41/SRTM_Data_GeoTiff/srtm_38_04.ZIP': HTTP status was '404 Not Found'

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I also tried

getData('GADM', country='AUT', level=0)

and I get:

trying URL 'http://biogeo.ucdavis.edu/data/gadm2.8/rds/AUT_adm0.rds' Error in utils::download.file(url = aurl, destfile = fn, method = 'auto', : cannot open URL 'http://biogeo.ucdavis.edu/data/gadm2.8/rds/AUT_adm0.rds'

any ideas why? Or any workaround possible to get elevation data from longitude/latitude ?