http://www.mako.rejtravel.pl/1cellnet/nowosci.html
"ASR (Answer Seizure Ratio) 'Stosunek wielkosci odpowiedzi', co oznacza stosunek odpowiedzi do wszystkich polaczen. 96 z 100 polaczen bylo udanych."

http://www.ect-telecoms.pl/softswitch/applikation/prepaid_nu...
"kontrola jakości operatorów - Answer Seizure Ratio (ASR)."

http://www.osix.se/Files/Performance_Analyser.pdf
"Answer Seizure Ratio is the number of calls ended with release cause 16, Normal Call Clearing, out of the total number of call attempts in percent. If 60 out of 100 call attemts are normal calls where the call is answered and both parties hang up properly, the ASR
column in Performance Analyser will display 60. Note that calls that are not answered or call attempts when the line is busy will not be regarded as successful call attempts."

http://chicks-dig-unix.net/eircom/Operation.pdf
"ASR % : The answer seize ratio, defined as the number of answered seizures to total seizures i.e.: ASR % = answered seizures / total seizures x 100%"