Covid 19 Update: Given the current global situation, we have paused the delivery of our LiveOnsite courses, but our LiveOnline and OnlineAnytime Packages remain unaffected. Browse over 50 online courses in our course catalogue, or get in touch to register your interest in future LiveOnsite courses when we are able to safely resume in person training.

PSM - Power Save Mode

Introduced in Release 13 of the 3GPP specifications, PSM enables mobile / devices to reduce power consumption by effectively powering off for long periods of time. However, during such periods, the mobile / device remains attached to the network and maintains any PDP (Packet Data Protocol) Contexts or EPS (Evolved Packet System) bearers.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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