00872nam a2200217 k 4500001001300000005001500013008004100028049002800069052001900097056001500116082002000131245012900151260005100280300003000331440005300361650005200414653007900466710005400545950001700599963003800616KMO20032304520030813135047030813s2002    ggka          000   eng  0 lEM2841062lEM2841063c201a567.021b3-173  a567.021240 a621.382021822100aH.323 부가서비스 10:b호 제안=xCall offering supplementary service for H.323/d한국정보통신기술협회 [편]  a성남:b한국정보통신기술협회,c2002  avii, 20p.:b삽도;c30cm00a정보통신영문단체표준;vTTAE.IT-H450.10 8a멀티미디어 통신[--通信]0KSH2002039546  aH323a부가서비스10a호제안aCALLaOFFERINGaSUPPLEMENTARYaSERVICE  a한국정보통신기술협회0KAB2014003724aut1 a가격불명  a멀티미디어a통신[--통신]