Call Failure Ratio This topic has 5 replies, 1 voice, and was last updated 15 years, 7 months ago by OMC. Viewing 6 posts - 1 through 6 (of 6 total) Author Posts 8th January 2003 at 18:59 #35001 Naveed ShaikhGuest Hi all Can any body explain 1. what is Call fialure Ratio(CFR) 2. what are the Reasons of Call failure. 3. if we know the reasons How can we remove them. Regards Naveed shaikh email@example.com 18th January 2003 at 01:47 #35002 Cao NingGuest If someone setup one call, but unsuccess, i think it would be call fialure. the ratio= No. call failure/call setup attemps. Many reason on this: 1) RF or MSC block, 2) bad radio environment, 3) HW issues, You should find the root cources on it. 20th August 2004 at 05:27 #35003 ZTE OMCGuest I want to know what are the ITU standards for Traffic Measurement in Telephone Exchanges?We use ASR(Answer-to-Seizure Ratio), CFR(Call failure Ratio) for measuring Tarffic. Is it upto standard?Please reply in detail. 24th August 2006 at 10:59 #35004 Ardy SuacoGuest Can anybody provide information on the Insdustry standard value for ASR both for MObile (GSM) and Fixed lines Regards 12th January 2007 at 12:33 #35005 treejarGuest hi somebody can give me the meanning of HW (if possible in french). 11th July 2007 at 07:08 #35006 OMCGuest Does anybody know range of ASR in mobile network? Author Posts Viewing 6 posts - 1 through 6 (of 6 total) The forum ‘Telecom Design’ is closed to new topics and replies.