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Question posted by 譚宇均

0 votes
0 answers
Why Operator Controlled PLMN List can’t change in SIM while Steering of roaming?
posted Mar 6, 2017
  • lte
  • sim
  • plmn
+2 votes
0 answers
What is the difference between user and subscription in IMS?
posted Feb 17, 2017
  • lte
  • ims
+1 vote
0 answers
What pros and cons of combined S-GW/P-GW? and why?
posted Jan 24, 2017
  • lte
  • pgw
  • s-gw
+3 votes
1 answer
About UE support UMTS
posted Jan 20, 2017
  • lte
  • ue
  • umts
  • security
+2 votes
1 answer
Does core network need to implement GTP-based or PMIP S5/S8 interface if it is combined S-GW/P-GW?
posted Jan 16, 2017
  • lte
  • s-gw
  • pgw
+2 votes
1 answer
Why PGW sends Downlink TFTs to UE?
posted Jan 16, 2017
  • lte
  • tft
  • downlink
  • ue
0 votes
1 answer
Why core network contains IMSI in MS identity IE of combined attach accept, why not new TMSI?
posted Dec 16, 2016
  • lte
  • ue
  • attach
  • imsi
  • tmsi
+1 vote
1 answer
How to decide which attach type shall use when UE set “IMS PS Voice preferred and CS Voice as secondary”?
posted Dec 16, 2016
  • lte
  • csfb
  • ims
  • ue
...