QoS signalling in IP multimedia subsystem of UMTS

被引：0
|
作者：
Zoric, Sladana [1 ]
Bolic, Melika [1 ]
机构：
[1] BH Telecom Dd Sarajevo, Dept OSS support, Sarajevo, Bosnia & Herceg
来源：
PROCEEDINGS ELMAR-2009 | 2009年
关键词：
IP Multimedia Subsystem; Quality of Service; SIP; DiffServ;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
IMS is standardised by 3GPP as a control domain inside UMTS core network, that provides support for IP based multimedia services while SIP is used as the main signalling protocol. UMTS network needs to find QoS requests of IP multimedia session through signalling protocol before it reserves resources for communication. Therefore it is neccesary to enable interworking between SIP protocol and IP QoS mechanisms. DiffServ is scalable and simple mecahnism for providing QoS support in UMTS core network. In this paper is presented one example of providing end-to-end QoS for audio and video session between two UMTS user equipments when DiffServ is integrated in IMS trasport layer.
引用
收藏
页码：147 / 150
页数：4
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