00650nam a2200193 a 4500001001400000003000700014005001700021008004100038020001800079040000800097100002100105245009000126260007000216300003400286504005000320650002300370650004300393700002000436vtls000055787KUKTEM20251117150249.0111021t2011    enka   f b    001 0 eng d  a9780470665947  aUMP1 aWolf, Karl Heniz10aVoIP emergency calling :bfoundations and practice /cKarl heinz Wolf, Richard Barnes  aChichester, West Sussex, U. K. ;aHoboken, N. J. :bWiley,cc2011  axvi, 219 p. :bill. ;c24 cm.  aIncludes bibliographical references and index 0aInternet telephony 0aTelephonexEmergency reporting systems1 aBarnes, Richard