Bálint Tóth Géza Németh VoxAid 2006: Telephone Communication for Hearing and/or Vocally Impaired People. 651-658 2006 conf/icchp/2006 ICCHP http://dx.doi.org/10.1007/11788713_96 db/conf/icchp/icchp2006.html#TothN06