Descriptor and Table of Contents (1 of 30) for 3GPP TS – Numbering, addressing and identification. Find the most up-to-date version of 3GPP TS at Engineering Nothing in this document should be construed to override 3GPP Technical Specification (TS) , which specifies the IMEI and IMEISV. The GSMA is a.
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If on the other hand, there are too many small location areas, the mobile must contact the network very often for changes of location, which will also drain the mobile’s battery. This field is used to force routing for a request through the listed set of proxies.
This is also required of a 23.003 mobile that reselects coverage from a cell in a different location area, because of signal fade. Provisioning of IP-based multimedia services.
It is necessary to prevent the request from traveling forever in case it is trapped in a loop. When a transaction starts, the first message is given a random CSeq. After that it is incremented by one with each new message.
This is done to avoid unnecessary IMSI attachment procedures in case the mobile has been forced to switch off by removing the battery, for example without having a chance to notify the network with an IMSI detach and then switched on right after it has been turned off. The next time the mobile performs a location update, the HLR is updated and the mobile not reachable flag is cleared.
The most important part in this line is Request-URI. A balance has therefore to be struck [ citation needed 3gppp. Stage 3 SAE impact on existing capabilities. At that point, the global “international mobile subscriber identity” IMSI must be sent to the network.
List of mobile phone generations. Stage 3 security aspects for MIPv4 Access. Implements, inter alia, CR It contains a username and a fully qualified domain name FQDN. Stage 3 for Mobility management based on MIP v4. Action date Action Author. It identifies that the message is a request. Roaming is defined  as the ability for a cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home networkby means of using a visited network.
Stage 3 for security aspects of LTE Access.
LTE Identification II: NE and Location Identifiers | NETMANIAS
Tracking areas can be grouped into lists of tracking areas TA listswhich can be configured on the User Equipment UE. IMS System enhancements for corporate network access. Retrieved from ” https: There are several reasons why a mobile may provide updated location information to the network. Tracking area updates are performed periodically or when the UE moves to a tracking area that is not included in its TA list. The Expires header field gives the relative time after which the message or content expires.
The Authorization header field contains authentication credentials of a UA.
One thing I want you to pay attention is [Line 8]. These values should match the value calculated by Authentication Center. Stage 3 for Subscriber certificates.
Mobility management – Wikipedia
Spec Type Title Status Prime grp. Basic Form Example 2: Category Outline Portal Commons. A key use of the TMSI is in paging a mobile. And it normally does so, in order to avoid the subscriber from being identified, and tracked by eavesdroppers on the radio interface. For mobility management in public transport, see Transportation Demand Management and Transit-oriented development.
Also refer to Registration with AuthenticationRegistration with IPSec for the full context in which these message are being used. Each base station covers a small geographical area which is part of a uniquely identified location area. Unterstanding the meaning of each parameters in registration would help you greatly with various troubleshooting situation.
A “routing area” is normally a subdivision of a “location area”.