About PDP Context during Power Saving Mode(PSM)


Currently I am using Hologram SIM card with Botletics SIM7000A arduino shield. And the problem is that when I enabled PSM, I noticed that before it entered “sleep” mode, the PDP will automatically de-activate.

But I found this introduction in 3gpp standard:

“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”

I am not sure what is the reason about this, but I think it shouldn’t disable celluar data…


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