LEADER 01787nam 2200373 450 001 996280687903316 005 20231206041526.0 010 $a0-7381-3478-3 035 $a(CKB)1000000000035548 035 $a(NjHacI)991000000000035548 035 $a(EXLCZ)991000000000035548 100 $a20231206d2003 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aIEEE Std 269-2002 (Revision of IEEE Std 269-1992) $eIEEE Standard Methods for Measuring Transmission Performance of Analog and Digital Telephone Sets, Handsets, and Headsets /$fIEEE Communications Society; IEEE-SA Standards Board; Institute of Electrical and Electronics Engineers 210 1$aNew York :$cIEEE,$d[2003] 215 $a1 online resource (xiv, 134 pages) $cillustrations 311 $a0-7381-3477-5 330 $aPractical methods for making laboratory measurements of electroacoustic characteristics of analog and digital telephones, handsets, and headsets are provided in this revised standard. The methods may also be applicable to a wide variety of other communications equipment, including cordless, wireless, and mobile communications devices. Measurement results may be used to evaluate these devices on a standardized basis. Application is in the frequency range 100-8500 Hz. 517 $aIEEE Std 269-2002 606 $aTelephone systems 615 0$aTelephone systems. 676 $a651.7 712 02$aIEEE-SA Standards Board, 712 02$aInstitute of Electrical and Electronics Engineers, 801 0$bNjHacI 801 1$bNjHacl 906 $aDOCUMENT 912 $a996280687903316 996 $aIEEE Std 269-2002 (Revision of IEEE Std 269-1992)$93646364 997 $aUNISA