<prompt> Bheka isigaba esingezansi bese uphendula umbuzo emva kwalokho ngolimi olufanayo nesigaba: I-Passage: I-GPRS iyisevisi yokusebenza kahle kakhulu, okusho ukuthi i-throughput kanye ne-latency eguquguqukayo incike enanini labanye abasebenzisi ababelana ngensizakalo ngasikhathi sinye, ngokungafani nokushintshwa kwesekethe, lapho ikhwalithi ethile yensizakalo i-QoS iqinisekisiwe ngesikhathi sokuxhumeka. Ezimisweni ze-2G, i-GPRS inikeza amazinga wedatha angama-56114 kbit sec. Ubuchwepheshe bomakhalekhukhwini be-2G obuhlanganiswe ne-GPRS ngezinye izikhathi buchazwa ngokuthi i-2.5G, okungukuthi, ubuchwepheshe obuphakathi kwesizukulwane sesibili 2G nesesithathu 3G sezingcingo ezihambayo. Inikeza ukudluliswa kwedatha ngesivinini esilinganiselwe, ngokusebenzisa iziteshi ezingasetshenziswanga zokufinyelela okuningi i-TDMA ngokwesibonelo, ohlelweni lwe-GSM. I-GPRS ihlanganiswe ne-GSM Release 97 kanye nokukhishwa okusha. Umbuzo: Iyiphi inguqulo yokuqala ye-GSM i-GPRS efakwe kuyo?  <response>: 97 izinga 