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端至端的通话语音通话中的()ij6—VOLTE PCC#4G#VOLTE#STP#PCC
一、PCC在移动通信网络中PCC(Policy andChargingControl-策略和计费控制)功能具体包括策略控制(如、媒体门控)和基于流量的计费;在、QoS ETSITS
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212、和中定义了策略和计费控制架构,其中包括许多函数,
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21329.
21429.203PCC而影响的三个最关键因素分别为PCC(应用功能)•AF ApplicationFunction-(策略计费和规则功能)•PCRF olicyCharging andRules Function-(策略控制执行功能)•PCEF PolicyControl EnforcementFunction-
二、中的VOLTE PCC在VoLTE中AF集成在Proxy-CSCF中P-CSCF提供与控制面信令相关的信息,其信息取自会话设置并通过参考点转SIP/SDP Rx发到每个包含负载或会话事件(例如会话终止、修改)的新消息PCRFo SDPSIP都可以触发向发送的新请求,这确保获得正确的信息以执行可靠的PCRF PCRFPCCo
三、中应用VOLTE PCC收到后生成规则规则包括上行链路和下行链路的
[51]AAR PCRFPCC PCC IP流描述(即元组)、信息、流状态等在接收到的规则和5QoS SGW/PGW PCC对应的承载之间执行承载绑定应根据这些规则将流IP-CAN SGW/PGW PCC IP映射到特定的承载,其中IP-CAN(规则):语音呼叫有两种规则(一种•Charging-Rule-Definition AVPPCC PCC用于另一种用于RTP,RTCP;(规则名称):它在同一个中被唯一定义•Charging-Rule-Name AVPPCCIP-CAN如果规则是在中预定义的,就像默认承载的情况一样在中PCC PGW EPS PGW也是唯一定义的;(单流包过滤器):包括地址和端口号及流的方•Flow-Information AVPIP IPIP向;(每个媒体流的权限状态)详情请参考步骤•Flow-Status AVP#49;(应用于流的信息):包括类标识符()•QoS-Information AVPIP QoSQoS QCI,GBR(保证比特率),(最大比特率)和(分配保留优先级);MBR ARP类标识符;•QoS-Class-Identifier AVPiQoS(业务保证数据流):带宽包含来自层和上层•Guaranteed-Bitrate-UL/DL AVPIP的所有开销,例如、、和有效载荷IP UDPRTP RTP每个方向上流的最大比特率()•Max-Requested-Bandwidth-UL/DL AVP:IP MBR带宽包含来自层和上层所有开销如、、、有效载荷o IPIP UDPRTP RTP(分配和保留的优先级):当需要分配新的媒•Allocation-Retention-Priority AVP体资源且所有资源都已被占用时,可以释放分配的媒体资源并根据该值重新PGW分配给新的流IP将由服务数据流过滤器组成的服务数据流模板应用于处的•Precedence AVP:PGW服务数据流的顺序指示要应用此规则的流•Flows AVP:PCCIP勺Charqinq-Rule-instal1:OOOOO3ebcOOOOlecOOOO28af000003edc00y00fOOOO28af・・・AV,fharqinq Rulo丁DofinirionlOOC1442f-VM-vnd=TGPP1AVP code:1003Charging-Rule-Def init ion国AVP Flags:OxcOAVP Length:492AVP vendorid:3Gpp10415□C hargi ng-Ru1e-Dpf ini ri on:OOOOO3pdcOOOOOOfOOOO8af3O5f3200000004228000006*
1...±i AVPcharging-Rule-Name10051=15f=d-vnd=TGPP val=3O5f32AVPF Flow-lnformationld^1=1T=v——vnd=TGPPAVP Code:1058Flow Information2AVP Flags:0x80AVP Length:100AVP Vendorid:3Gpp10415F Plow-Tnformarion:0000043880000010000028af00000001000001fbc
0000046...3AVP FlowDirection10801-16f-V-vnd-TGPP val*DOWNLlNK1【±1AVP Flow-oescriptionO1=70f=vn-v=d=TGPP val=permi ipfrom
10.7!T AVP:rlow-Tnformation10581^100f V--vnd TGPP,AVPFlow-SldtUS5111=16f=VK-vnd=lGPP val=LNABLED2-AVP Qos-TntormaTion10161=15T=VM-vnd=TGPPAVP Code:1016QoS-1nfor mati on图AVP Flags:OxcOAVP Length:152AVP vendorid:3Gpp10415曰QoS-Tnformarion:00000404c000001000008af0000000100000402c
0000010...a AVPQOS-C1ass-Identifier10281-16f-VNi-vnd-TGPP val-QCI_l1*1AVP Guaranteed-Bitrate-UL10261=16f=VM-vnd=TGPP va1=1200003AVPGuaranteed BitrateDL1O25116f VM•vnd TGPP val120000±i AVP:Max-Requebled-Bandw idLh-CL5161=16f=VM-vnd=TGPP val=120000J]AVP】=Max-RpquPSTPd-BanrivHdth-Dl51516f=VM-vnd-TGPP val^120000±j AVPAllocationRetention-Priority10341-60f-vnd-TGPPT AVP:preceaenceuoiu;i=ib r=vM-vna=TGPP vai=4UiZi AVPAF-Charging-Identificr5O5136f VM vnd TGPP val3O2e3237342e3139352d31二和老屋一起学+AVP;Flows5101=44f=VMvnd=IGPP•5G辰一AVPCharqinq-$ulp Defirririon10031=492f=VM-vnd=TGPP:图的l.RAR AVP发起承载创建过程并用响应
[52]SGW/PGWEPSRe-Auth-AnswerRAA PCRFo接入网内进行计费的网络实体的地址•Acccss-Nctwork-Charging-Address AVP:IP接入网的和•3GPP-SGSN-MCC-MNC AVP:MCC MNCo的当前位置,它由跟踪区域标识•3GPP-User-Location-Info AVP UETAI和小区全局标识符组成E-UTRAN ECGI□Diameter Protocolvers ion:0x01Length:368Flags:0x40Command Code:258Re AuthApplicat ionid:3Gpp Gx「「16777238Hop-by-Hop Identifier:Oxbb458cd3Fnd-ro-Fnd Tdpnrifipr:0x6d8d61fa RequestIn:1251R—SDonseTime:
0.00564800sucondslt AVPSession-ld2631=72f=-M-val=mulsaex
001.epc.mnc
874.mcc
405.3gppnetv*ork.orq;AVP origln-Hosr2641=52f=-M-val=D AVPOrigin Realm296141f M・val_t AVP:Supported-Features6281=56f=VM-vnd«TGPP±AVPResult-code2681=12f=-M-val=DIAMLTLR_SUCCLSS2001不AVP:Access-Nerwork-Charqinq-Address5011=30f=VM-vnd=TGPP va1=2405:200:310:7:,AVP TP-CAN-Type10271=16f-W-vnd^TGPPval=3GPP-EPS5±AVP RATType1032116f V--vnd TGPPval-EUTRAN1004±1AVP3GPP-SGSN-MCC-MNC181=18f=V-vnd=lGPP Vdl=--;AVP3GPP-User-Location-info221=25f=v--vnd=TGPPva1=MCC RepublicrAVP codo:3GPP-USPr-l orarion-Tnfoir AVPFlags:0x80AVP Length:25AVP vendorid:3Gpp104153GPP-USPr-l ocarion-Tnfo:820006C00001al1也Geographic LocationType:TAI andECGI130irdcking Areaidenlity IAI、、和老屋一起字jE-UTRAN cel1Global identifierECGI5GPaddi ng:000000~图中的
2.RAA AVP。