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7.1 VoLTE SBC/P-CSCF/ATCF ......................................................................................... 78 7.2 I/S/-CSCF/BGCF ......................................................................................................... 80 7.2.1 ¸÷Ê¡VoLTEÒµÎñרÓá¢ÈÚºÏI/S/-CSCF/BGCF .................................................. 80 7.2.2 ¸÷Ê¡E-CSCF/LRF .............................................................................................. 83 7.3 MGCF¼°IM_MGW ................................................................................................... 84 7.4 ¸÷Ê¡IMSÓò¶þ¼¶ENUM/DNS ................................................................................... 85 7.5 IMSÓòÒ»¼¶ENUM/DNS ............................................................................................ 86 8. IMSÒµÎñƽ̨Ïà¹ØÍøÔª¾ÖÊý¾ÝÉèÖÃÔ­Ôò ............................................................................. 87

8.1 VoLTE TAS/SCC AS/궨SCP ................................................................................... 87 8.2 ÒµÎñÅäÖôúÀíÍø¹Ø ...................................................................................................... 89 8.3 IP-SM-GW ................................................................................................................... 90 8.4 IM AS ........................................................................................................................... 91 8.5 IM×Ô¶¯ÅäÖ÷þÎñÆ÷ACS/DMS ................................................................................. 92 9. EPCÏà¹ØÍøÔª¾ÖÊý¾ÝÉèÖÃÔ­Ôò ............................................................................................ 92

9.1 MME/SGSN ................................................................................................................. 92 9.2 SAE-GW/GGSN .......................................................................................................... 93 9.3 ePDG ............................................................................................................................ 95 9.3.1 ÍøÔªÃû³Æ ........................................................................................................... 95 9.3.2 DiameterѰַÖ÷»úÃû ......................................................................................... 95 9.3.3 S2b½Ó¿ÚÅäÖÃÒªÇó.............................................................................................. 95 9.3.4 SWm½Ó¿ÚÅäÖÃÒªÇó ........................................................................................... 95 9.4 3GPP AAA ................................................................................................................... 96 9.4.1 ÍøÔªÃû³Æ ........................................................................................................... 96 9.4.2 DiameterѰַÖ÷»úÃû ......................................................................................... 96 9.4.3 SWx½Ó¿ÚÅäÖÃÒªÇó ............................................................................................ 96 9.4.4 SWm½Ó¿ÚÅäÖÃÒªÇó ........................................................................................... 96 9.4.5 S6b½Ó¿ÚÅäÖÃÒªÇó ............................................................................................. 97 9.5 ÏÖÍøÊ¡ÄÚÈÚºÏDNS ..................................................................................................... 97 9.6 PCRF/SPR .................................................................................................................... 97 10. µç·ÓòÏà¹ØÍøÔª¾ÖÊý¾ÝÉèÖÃÔ­Ôò ......................................................................................... 98

10.1 eMSC ........................................................................................................................... 98 10.2 ÏÖÍøMSC/SSP¡¢GMSC/SSP ..................................................................................... 99 10.3 CMN........................................................................................................................... 100 10.4 Èí½»»»¹ú¼Ê¾ÖISS ..................................................................................................... 100 11. ÐÅÁîÍøÏà¹ØÍøÔª¾ÖÊý¾ÝÉèÖÃÔ­Ôò ....................................................................................... 100

11.1 DRA ........................................................................................................................... 100 11.2 ÏÖÍøHSTP¡¢LSTP .................................................................................................... 105 12. 169 DNS¾ÖÊý¾ÝÉèÖÃÔ­Ôò ................................................................................................... 105

12.1 *.mnc001.mcc460.pub.3gppnetwork.org½âÎöÊý¾Ý .................................................. 105 12.2 *.mnc006.mcc460.pub.3gppnetwork.org½âÎöÊý¾Ý .................................................. 106 12.3 *.mnc009.mcc460.pub.3gppnetwork.org½âÎöÊý¾Ý .................................................. 107 12.4 *.wo.cnµÄ½âÎöÊý¾Ý .................................................................................................. 108

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