LTE_902_LTE-EPC_and_IMS_Reference_v1.6

LTE-EPC IMS R EFERENCE

I-CSCF

PCRF

S-GW

P-CSCF

MME

GTP-U Payload BICC (SS7) Bearer Independent Call Control, ITU-T Q.1901Diameter RFC 3588, RFC 3589, RFC 4006, RFC 4740DNS Domain Name System, RFC 1035GTPv2-C GPRS Tunneling Protocol ver.2 Control Plane, 29.274GTPv1-U GPRS Tunneling Protocol User Plane, 29.281HTTP Hypertext Transfer Protocol, RFC 2616IP Internet Protocol, RFC 791Protocols

Nodes

CSCF HSS UE P-CSCF PCEF PCRF PCEF OCS PCEF OFCS S-CSCF AS RTP-based Bearer MGCF CSCF CSCF BGCF BGCF MGCF BGCF BGCF MGCF MGW MRFC MRFP S-CSCF MRFC

I-CSCF, P-CSCF, S-CSCF AF PCRF

E-UTRAN (eNB) MME E-UTRAN (eNB) S-GW S-GW P-GW MME HSS MME S-GW P-GW PDN HSS AS SPR PCRF UE AS

AS MRFC

MRFP

SGW Interfaces LEGEND

LTE Traffic and Signaling User Traffic (indeterminate)MGCF

S-CSCF

Diameter GTPv2-C IP HTTP GTP-U BICC 23.002; 23.401; 23.402/

23.203

23.002

23.228

23.228

23.002

BGCF

Mj

BGCF (another network)

SIP

AF

Network

OFCS DNS 23.203; 32.251; 32.296