Lin, Y.-B.Y.-B.LinPang, A.-C.A.-C.PangAI-CHUN PANG2020-05-042020-05-042001https://scholars.lib.ntu.edu.tw/handle/123456789/487494[SDGs]SDG7vGPRS: A mechanism for voice over GPRSconference paper10.1109/CDCS.2001.918741https://www.scopus.com/inward/record.uri?eid=2-s2.0-84960923265&doi=10.1109%2fCDCS.2001.918741&partnerID=40&md5=8e101465a3b4fa2aa0e9de82d25e5b93