Chang, M.-F.M.-F.ChangLin, Y.-B.Y.-B.LinAI-CHUN PANG2020-05-042020-05-042003https://scholars.lib.ntu.edu.tw/handle/123456789/487490vGPRS: A mechanism for voice over GPRSjournal article10.1023/A:1021893616785https://www.scopus.com/inward/record.uri?eid=2-s2.0-0037367280&doi=10.1023%2fA%3a1021893616785&partnerID=40&md5=bda3b95f458e3f8a082b5890171d4986