P-TMSI in 2G/3G network
P-TMSI stands for "Packet - Temporary Mobile Subscriber Identity".
It is a temporary identifier that the SGSN assigns to the UE during the attach procedure.
The P-TMSI is used in order to enhance the security of the UE, as the UE stores this P-TMSI locally, and uses it, instead of its IMSI, to identify itself to the network in all subsequent communications with the network.
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Your Guide for LTE Attach procedure
After the LTE Attach Procedure ends, the following should be accomplished, LTE Attach Signaling
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(MS-SGSN-GGSN) GPRS Interfaces in 3G network
Here, we illustrate the GPRS interfaces between the MS, the SGSN, and the GGSN in 3G network in both 'control
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Your reference for GPRS Attach Procedure
GPRS Attach procedure is the procedure in which the MS registers to the network. In other words, the network knows
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