Nokia N9HR, Руководство пользователя

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27/08/2019 12 © Nokia 2019
Drawn by N. Rao
N9HR: IMS session identification via deep packet inspection
V-UPF BBIFF-U
H-UPF
HPLMN VPLMN
IMS-AGW
Vo5GS
(target)
P-CSCF
LMISF
MDF3
MDF2
LEMF
IP Address 2: 12.1.1.1
IP Address 1: 5.100.1.10
IP Address 3: 5. 5.100.1.1
IP Address 4: 5.175.200.1
IP Address 5: 5.175.10.1
UDP Port: 24000, 24001
UDP Port: 26000, 26001
UDP Port: 5060
UDP Port: 32000, 32001
UDP Port:36000, 36001
UDP Port: 5060
UDP Port: 2152
UDP Port: 2152
UDP Port: 5060
UDP Port: 5060
UDP Port: 2152
UDP Port: 2152
5.100.1.10 / 24000,24001
5.175.200.1/ 32000,32001
IMS Session 1
IMS Session 2
Media of IMS
Session 1
Media of IMS
Session 2
LI_X2
LI_X3
LI_HI2 (IRI) LI_HI3 (CC)
Correlated
Correlated
LI_Xia
IMS SignaliNg QoS Flow
IMS media QoS Flow
5.100.1.10/ 5.175.200.1
RTP
UDP
IP
RTP
UDP
IP
24000/32000
26000/36000
5.100.1.10/ 5.175.200.1
2152/2152
12.1.1.1/5.5.100.1.1
5.100.1.10 / 24000,24001
5.175.200.1/ 32000,32001
UDP
IP
5.100.1.10/ 5.175.10.1
5.100.1.10 / 26000,26001
5.175.200.1 / 36000,36001
SDP SDP
SIP SIP
5060/5060
IP
UDP
GT P-U
5GS PDU Session
QFI = IMS Media QFI = IMS Signaling
• To associate a SIP
message with a session
leg, the SIP call Id and the
SDP within the SIP will
have to be used.
• To associate the media
with a IMS session leg, the
UDP port numbers used
for the RTP will have to be
used.