Revision for 2015 from the IMS services & signaling course. The lecture was part of the communication protocols class delivered to students from FIIT STU Bratislava, Slovakia and University Zilina, Slovakia.

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6. Voice/video
SMS/MMS
Instant
messaging
Mail
Voice/Video/IM
Conferencing/App
sharing/MM chat/
Others
content content
Shared content
Today services Integrated „all-IP“ services

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23. Mw I-SBCA-SBC
RCS-e AS
UE
P-CSCF S-CSCF
BGCF
IBCF
I-BGF
RCS-e AS
(Service)
RCS-e AS
(Config)
ENUM
A-BGF
IPX Other MNO
Mw
Mi
ISC
Gm
Mb
Mb
Ici
Izi
Mx
SIP
DNS
Media
Mw
Ma
I-CSCF
HSS
Cx
Cx
Diameter
HTTP
Sh
Mb
Mx

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25. 
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26. 
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27. 
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PCRF
P-CSCF
HSS
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
Mw
Mw
ISC
MGCF
MGW
1: Mg
SRVCC
ISC
Sh
ATCF
ATGW
MwMw
Mw

28. 
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29. Wi-Fi (untrusted)
UTRAN
GERAN
BTS
AuC
2G
BSC
NodeB RNC SGSN GGSN
HLR
MSC GMSCAbis A
Iu-CS
Iub
Gs
Gn
E
D C
Gr Gc
VLR
B
Gb
PCRF
Gx
PSTN
Internet
E-UTRAN
eNodeB
EPC
MME
SGW
PDN
GW
P-CSCF
HSSS6a
S1-C/S1-MME
S1-U S5
SGi
S7
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
Mw
Mw
ISC
Gi
MGCF
MGW
1: Mg
ePDG
S2b/SMOGWi-Fi
AP
AAASWm
SWx
SWn
S4
S3
H
3G
4G
Iu-PS
Iur
S11
Wi-Fi
I2
SGs
SRVCC
ISC
Sv
MAP
D’/Gr’
SGi
UE
UE
UE
UE
LTE-UU
Uu
Um
Sh
Wi-Fi (trusted)
Wi-Fi
AP
Wi-Fi
UE
MC-GW
(eq.SGW)
SWa
SWu
S2c
App access
ATCF
ATGW
Mw
I2
Mw
Mw
S6b
Wi-Fi (untrusted)
UTRAN
GERAN
BTS
AuC
2G
BSC
NodeB RNC SGSN GGSN
HLR
MSC GMSCAbis A
Iu-CS
Iub
Gs
Gn
E
D C
Gr Gc
VLR
B
Gb
PCRF
Gx
PSTN
Internet
E-UTRAN
eNodeB
EPC
MME
SGW
PDN
GW
P-CSCF
HSSS6a
S1-C/S1-MME
S1-U S5
SGi
S7
Rx
I-CSCF
S-CSCF
ASSh
Cx
Cx
Mw
Mw
Mw
ISC
Gi
MGCF
MGW
1: Mg
ePDG
S2b/SMOGWi-Fi
AP
AAASWm
SWx
SWn
S4
S3
H
3G
4G
Iu-PS
Iur
S11
Wi-Fi
I2
SGs
SRVCC
ISC
Sv
MAP
D’/Gr’
SGi
UE
UE
UE
UE
LTE-UU
Uu
Um
Sh
Wi-Fi (trusted)
Wi-Fi
AP
Wi-Fi
UE
MC-GW
(eq.SGW)
SWa
SWu
S2c
App access
ATCF
ATGW
Mw
I2
Mw
Mw
S6b

31.  P-Access-Network-Info
 From To
 Path

 Route
 Authorization
 Service-Route
 Route

32. 
 P-Preferred-Identity
 P-Asserted-Identity
 P-Associated-URI
 Event: reg

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37. 
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 ngnlab.eu. 7200 IN NAPTR 10 50 "s“ "SIP+D2T“ _sip._tcp.ngnlab.eu.

 _sip._udp.ngnlab.eu. 7200 IN SRV 0 0 5060 icscf.ngnlab.eu.

 icscf.ngnlab.eu. 7200 IN A 147.175.103.213

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49. 
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