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dc.contributor.authorChang, MFen_US
dc.contributor.authorLin, YBen_US
dc.contributor.authorPang, ACen_US
dc.date.accessioned2014-12-08T15:41:34Z-
dc.date.available2014-12-08T15:41:34Z-
dc.date.issued2003en_US
dc.identifier.issn1022-0038en_US
dc.identifier.urihttp://hdl.handle.net/11536/28263-
dc.identifier.urihttp://dx.doi.org/10.1023/A:1021893616785en_US
dc.description.abstractThis paper proposes vGPRS, a voice over IP (VoIP) mechanism for general packet radio service (GPRS) network. In this approach, a new network element called VoIP mobile switching center (VMSC) is introduced to replace standard GSM MSC. Both standard GSM and GPRS mobile stations can be used to receive real-time VoIP service, which need not be equipped with the VoIP (i.e., H.323) terminal capabilities. The vGPRS approach is implemented using standard H.323, GPRS, and GSM protocols. Thus, existing GPRS and H.323 network elements are not modified. Furthermore, the message flows for vGPRS registration, call origination, call release and call termination procedures are described to show the feasibility of our vGPRS system.en_US
dc.language.isoen_USen_US
dc.subjectgatekeeperen_US
dc.subjectGGSNen_US
dc.subjectGPRSen_US
dc.subjectSGSNen_US
dc.subjectVoIPen_US
dc.titlevGPRS: A mechanism for voice over GPRSen_US
dc.typeArticleen_US
dc.identifier.doi10.1023/A:1021893616785en_US
dc.identifier.journalWIRELESS NETWORKSen_US
dc.citation.volume9en_US
dc.citation.issue2en_US
dc.citation.spage157en_US
dc.citation.epage164en_US
dc.contributor.department資訊科學與工程研究所zh_TW
dc.contributor.departmentInstitute of Computer Science and Engineeringen_US
dc.identifier.wosnumberWOS:000181880900007-
dc.citation.woscount2-
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