msc_scripts- figures and plantuml sources added

@startuml "TD_VoNR_ECO_INT_5DR_01.png"

!include etsi-style.iuml

!pragma teoz true

'

'Figure : 5G emergency deregistration and Release of the Emergency PDU session

'

''title Figure : 5G emergency deregistration and Release of the Emergency PDU session

'

participant "UE A"

box "GNB" #LightBlue

participant "GNB"

end box

box "5GC A" #LightBlue

  participant AMF

  participant UPF

end box

box "IMS A" #LightBlue

  participant "P-CSCF"

end box

'

rnote right  "UE A"         : N1

& rnote right  "GNB"        : N2

& rnote left "AMF"          : N1/N2

& rnote left "UPF"          : N3

& rnote right "UPF"         : N6

'

rnote over "UE A", AMF  #FFAAAA: 5G De-registration to 5GC

"UE A"     -->   "GNB"      : 

&"GNB"      ->   "AMF"      : DEREGISTRATION_REQUEST

'auth

'security

"GNB"      <-   "AMF"       : DEREGISTRATION_ACCEPT \n if DEREGISTER_TYPE!=SWITCH_OFF

&"UE A"     <--   "GNB"     :

'

'

'

"UE A"     <--> "P-CSCF"    :  PDU session's and signaling connection released 

@enduml

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@startuml "TD_VoNR_ECO_INT_5DR_02.png"

!include etsi-style.iuml

!pragma teoz true

'

'Figure : 5G emergency deregistration with Previously Established Emergency Registration & Emergency PDU session

'

''title Figure : 5G emergency deregistration with Previously Established Emergency Registration & Emergency PDU session

'

participant "UE A"

box "GNB" #LightBlue

participant "GNB"

end box

box "5GC A" #LightBlue

  participant AMF

  participant UPF

  participant PCF

end box

box "IMS A" #LightBlue

  participant "P-CSCF"

  participant "E-CSCF"

  participant "IBCF"

  participant "BGCF"

end box

participant "PSAP"

'

rnote right  "UE A"         : N1

& rnote right  "GNB"        : N2

& rnote left "AMF"          : N1/N2

& rnote left "UPF"          : N3

& rnote right "UPF"         : N6

& rnote right "PCF"         : N5 or Rx

& rnote right "P-CSCF"      : Mw

& rnote right "E-CSCF"      : Mm\nMx\nMi

& rnote left  "IBCF"        : \nMx\n

& rnote right "IBCF"        : Ici

& rnote left "BGCF"        : \n\nMi

& rnote left "PSAP"        : Mm\n\n

'

"UE A"     <---> "PSAP"     : Active emergency session, media exchange

rnote over "UE A"  #FFAAAA  : De-registration triggered

'

"UE A"     ->   "P-CSCF"    : BYE

"P-CSCF"   ->  "PCF"        : STR or \nPA_Delete_req 

"PCF"      ->  "P-CSCF"     : STA or \nPA_Delete_res

&"P-CSCF"  ->   "E-CSCF"    : BYE

rnote over "P-CSCF","E-CSCF"  #FFAAAA: Termination of Emergency session

alt PSAP in IMS A network (option 1)

"E-CSCF"   ->   "PSAP"      : BYE

else PSAP not in IMS A network (option 2)\n

"E-CSCF"   ->   "IBCF"      : BYE

&"IBCF"    -->   "PSAP"     : BYE

else PSAP in PSTN network (option 3)\n

"E-CSCF"   ->   "BGCF"      : BYE

&"BGCF"    -->   "PSAP"     : 

end

alt PSAP in IMS A network (option 1)

"PSAP"     ->   "E-CSCF"    : 200 OK

else PSAP not in IMS A network (option 2)\n

"PSAP"     -->   "IBCF"     : 200 OK

&"IBCF"    ->   "E-CSCF"    : 200 OK

else PSAP in PSTN network (option 3)\n

"PSAP"     -->   "BGCF"     : 

&"BGCF"    ->   "E-CSCF"    : 200 OK

end

"E-CSCF"   ->   "P-CSCF"    : 200 OK

& "P-CSCF" ->   "UE A"      : 200 OK

"AMF"      ->   "GNB"       : PDU Session Modification Command - IMS voice

&"UE A"     <--   "GNB"     :

"UE A"     -->   "GNB"      :

&"GNB"     ->   "AMF"       : PDU Session Modification Complete - IMS voice

"UE A"     -->   "GNB"      : 

&"GNB"      ->   "AMF"      : DEREGISTRATION_REQUEST

'

"GNB"      <-   "AMF"       : DEREGISTRATION_ACCEPT \n if DEREGISTER_TYPE!=SWITCH_OFF

&"UE A"     <--   "GNB"     :

rnote over "UE A", UPF #FFAAAA: Removal of Emergency session

@enduml

 No newline at end of file